Hadoop YARN Change Log Release 2.7.3 - UNRELEASED INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-4287. Capacity Scheduler: Rack Locality improvement. (Nathan Roberts via wangda) OPTIMIZATIONS BUG FIXES YARN-4326. Fix TestDistributedShell timeout as AHS in MiniYarnCluster no longer binds to default port 8188. (Meng Ding via wangda) YARN-4347. Resource manager fails with Null pointer exception. (Jian He via wangda) YARN-4374. RM capacity scheduler UI rounds user limit factor (Chang Li via jlowe) YARN-3849. Too much of preemption activity causing continuos killing of containers across queues. (Sunil G via wangda) YARN-3769. Consider user limit when calculating total pending resource for preemption policy in Capacity Scheduler. (Eric Payne via wangda) YARN-4344. NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations (Varun Vasudev via jlowe) YARN-4365. FileSystemNodeLabelStore should check for root dir existence on startup (Kuhu Shukla via jlowe) YARN-4380. TestResourceLocalizationService.testDownloadingResourcesOnContainerKill fails intermittently. (Varun Saxena via ozawa) YARN-4398. Remove unnecessary synchronization in RMStateStore. (Ning Ding via jianhe) YARN-3840. Resource Manager web ui issue when sorting application by id (with application having id > 9999) （Mohammad Shahid Khan & Varun Saxena via jianhe) YARN-4422. Generic AHS sometimes doesn't show started, node, or logs on App page (Eric Payne via jeagles) YARN-4439. Clarify NMContainerStatus#toString method. (Jian He via xgong) YARN-4452. NPE when submit Unmanaged application. (Naganarasimha G R via junping_du) Release 2.7.2 - UNRELEASED INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-4009. CORS support for ResourceManager REST API. ( Varun Vasudev via jeagles) YARN-3170. YARN architecture document needs updating. (Brahma Reddy Battula via ozawa) YARN-3967. Fetch the application report from the AHS if the RM does not know about it. (Mit Desai via xgong) YARN-2801. Add documentation for node labels feature. (Wangda Tan and Naganarasimha G R via ozawa) YARN-2513. Host framework UIs in YARN for use with the ATS (jeagles) OPTIMIZATIONS BUG FIXES YARN-3793. Several NPEs when deleting local files on NM recovery (Varun Saxena via jlowe) YARN-3508. Prevent processing preemption events on the main RM dispatcher. (Varun Saxena via wangda) YARN-3690. [JDK8] 'mvn site' fails. (Brahma Reddy Battula via aajisaka) YARN-3905. Application History Server UI NPEs when accessing apps run after RM restart (Eric Payne via jeagles) YARN-3535. Scheduler must re-request container resources when RMContainer transitions from ALLOCATED to KILLED (rohithsharma and peng.zhang via asuresh) YARN-3878. AsyncDispatcher can hang while stopping if it is configured for draining events on stop. (Varun Saxena via jianhe) YARN-3969. Allow jobs to be submitted to reservation that is active but does not have any allocations. (subru via curino) YARN-3925. ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks. (zhihai xu via jlowe) YARN-3857: Memory leak in ResourceManager with SIMPLE mode. (mujunchao via zxu) YARN-3893. Both RM in active state when Admin#transitionToActive failure from refeshAll() (Bibin A Chundatt via rohithsharmaks) YARN-4103. RM WebServices missing scheme for appattempts logLinks. (Jonathan Eagles via vvasudeb) YARN-4105. Capacity Scheduler headroom for DRF is wrong (Chang Li via jlowe) YARN-4096. App local logs are leaked if log aggregation fails to initialize for the app. (Jason Lowe via zxu) YARN-4153. TestAsyncDispatcher failed at branch-2.7 (Zhihai Xu via jianhe) YARN-3697. FairScheduler: ContinuousSchedulingThread can fail to shutdown. (Zhihai Xu via kasha) YARN-4158. Remove duplicate close for LogWriter in AppLogAggregatorImpl#uploadLogsForContainers (Zhihai Xu via jlowe) YARN-3975. WebAppProxyServlet should not redirect to RM page if AHS is enabled (Mit Desai via jlowe) YARN-3624. ApplicationHistoryServer should not reverse the order of the filters it gets. (Mit Desai via xgong) YARN-4180. AMLauncher does not retry on failures when talking to NM. (adhoot) YARN-3619. ContainerMetrics unregisters during getMetrics and leads to ConcurrentModificationException (Zhihai Xu via jlowe) YARN-4209. RMStateStore FENCED state doesn’t work due to updateFencedState called by stateMachine.doTransition. (Zhihai Xu via rohithsharmaks) YARN-4281. 2.7 RM app page is broken (Chang Li via jlowe) YARN-4000. RM crashes with NPE if leaf queue becomes parent queue during restart. (Varun Saxena via jianhe) YARN-4041. Slow delegation token renewal can severely prolong RM recovery (Sunil G via jlowe) YARN-2902. Killing a container that is localizing can orphan resources in the DOWNLOADING state (Varun Saxena via jlowe) YARN-4313. Race condition in MiniMRYarnCluster when getting history server address. (Jian He via xgong) YARN-3580. [JDK8] TestClientRMService.testGetLabelsToNodes fails. (Robert Kanter via junping_du) YARN-4312. TestSubmitApplicationWithRMHA fails on branch-2.7 and branch-2.6 as some of the test cases time out. (Varun Saxena via ozawa) YARN-4320. TestJobHistoryEventHandler fails as AHS in MiniYarnCluster no longer binds to default port 8188. (Varun Saxena via ozawa) YARN-4321. Incessant retries if NoAuthException is thrown by Zookeeper in non HA mode. (Varun Saxena via jianhe) YARN-3136. getTransferredContainers can be a bottleneck during AM registration. (Sunil G via jianhe) YARN-4127. RM fail with noAuth error if switched from failover mode to non-failover mode. (Varun Saxena via jianhe) YARN-4354. Public resource localization fails with NPE. (Jason Lowe via junping_du) Release 2.7.1 - 2015-07-06 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-3243. CapacityScheduler should pass headroom from parent to children to make sure ParentQueue obey its capacity limits. (Wangda Tan via jianhe) YARN-3539. Updated timeline server documentation and marked REST APIs evolving. (Steve Loughran via zjshen) YARN-3723. Need to clearly document primaryFilter and otherInfo value type. (Zhijie Shen via xgong) YARN-3489. RMServerUtils.validateResourceRequests should only obtain queue info once. (Varun Saxena via wangda) YARN-3711. Documentation of ResourceManager HA should explain configurations about listen addresses. (Masatake Iwasaki via ozawa) OPTIMIZATIONS YARN-3006. Improve the error message when attempting manual failover with auto-failover enabled. (Akira AJISAKA via wangda) YARN-3469. ZKRMStateStore: Avoid setting watches that are not required. (Jun Gong via kasha) BUG FIXES YARN-3462. Patches applied for YARN-2424 are inconsistent between trunk and branch-2. (Naganarasimha G R via harsh) YARN-3497. ContainerManagementProtocolProxy modifies IPC timeout conf without making a copy. (Jason Lowe via jianhe) YARN-2605. [RM HA] Rest api endpoints doing redirect incorrectly. (Xuan Gong via stevel) YARN-3522. Fixed DistributedShell to instantiate TimeLineClient as the correct user. (Zhijie Shen via jianhe) YARN-3351. AppMaster tracking URL is broken in HA. (Anubhav Dhoot via kasha) YARN-3382. Some of UserMetricsInfo metrics are incorrectly set to root queue metrics. (Rohit Agarwal via jianhe) YARN-3472. Fixed possible leak in DelegationTokenRenewer#allTokens. (Rohith Sharmaks via jianhe) YARN-3465. Use LinkedHashMap to preserve order of resource requests. (Zhihai Xu via kasha) YARN-3516. killing ContainerLocalizer action doesn't take effect when private localizer receives FETCH_FAILURE status.(zhihai xu via xgong) YARN-3485. FairScheduler headroom calculation doesn't consider maxResources for Fifo and FairShare policies. (kasha) YARN-3301. Fixed the format issue of the new RM attempt web page. (Xuan Gong via jianhe) YARN-3385. Fixed a race-condition in ResourceManager's ZooKeeper based state-store to avoid crashing on duplicate deletes. (Zhihai Xu via vinodkv) YARN-3358. Audit log not present while refreshing Service ACLs. (Varun Saxena via devaraj) YARN-3476. Nodemanager can fail to delete local logs if log aggregation fails (Rohith via jlowe) YARN-3434. Interaction between reservations and userlimit can result in significant ULF violation. (Thomas Graves via wangda) YARN-3626. On Windows localized resources are not moved to the front of the classpath when they should be. (Craig Welch via xgong) YARN-3457. NPE when NodeManager.serviceInit fails and stopRecoveryStore called. (Bibin A Chundatt via ozawa) YARN-3537. NPE when NodeManager.serviceInit fails and stopRecoveryStore invoked (Brahma Reddy Battula via jlowe) YARN-3601. Fix UT TestRMFailover.testRMWebAppRedirect. (Weiwei Yang via xgong) YARN-3677. Fix findbugs warnings in yarn-server-resourcemanager. (Vinod Kumar Vavilapalli via ozawa) YARN-3681. yarn cmd says "could not find main class 'queue'" in windows. (Craig Welch and Varun Saxena via xgong) YARN-3609. Load node labels from storage inside RM serviceStart. (Wangda Tan via jianhe) YARN-3694. Fix dead link for TimelineServer REST API. (Jagadesh Kiran N via aajisaka) YARN-3646. Applications are getting stuck some times in case of retry policy forever. (Raju Bairishetti via devaraj) YARN-3675. FairScheduler: RM quits when node removal races with continuous-scheduling on the same node. (Anubhav Dhoot via kasha) YARN-3701. Isolating the error of generating a single app report when getting all apps from generic history service. (Zhijie Shen via xgong) YARN-2238. filtering on UI sticks even if I move away from the page. (Jian He via xgong) YARN-3686. CapacityScheduler should trim default_node_label_expression. (Sunil G via wangda) YARN-3753. RM failed to come up with "java.io.IOException: Wait for ZKClient creation timed out”. (Jian He via xgong) YARN-3764. CapacityScheduler should forbid moving LeafQueue from one parent to another. (Wangda Tan via jianhe) YARN-3804. Both RM are on standBy state when kerberos user not in yarn.admin.acl (Varun Saxena via xgong) YARN-3842. NMProxy should retry on NMNotYetReadyException. (Robert Kanter via kasha) YARN-3809. Failed to launch new attempts because ApplicationMasterLauncher's threads all hang (Jun Gong via jlowe) Release 2.7.0 - 2015-04-20 INCOMPATIBLE CHANGES NEW FEATURES YARN-2179. [YARN-1492] Initial cache manager structure and context. (Chris Trezzo via kasha) YARN-2180. [YARN-1492] In-memory backing store for cache manager. (Chris Trezzo via kasha) YARN-2183. [YARN-1492] Cleaner service for cache manager. (Chris Trezzo and Sangjin Lee via kasha) YARN-2186. [YARN-1492] Node Manager uploader service for cache manager. (Chris Trezzo and Sangjin Lee via kasha) YARN-2236. [YARN-1492] Shared Cache uploader service on the Node Manager. (Chris Trezzo and Sangjin Lee via kasha) YARN-2188. [YARN-1492] Client service for cache manager. (Chris Trezzo and Sangjin Lee via kasha) YARN-2189. [YARN-1492] Admin service for cache manager. (Chris Trezzo via kasha) YARN-2765. Added leveldb-based implementation for RMStateStore. (Jason Lowe via jianhe) YARN-2203. [YARN-1492] Web UI for cache manager. (Chris Trezzo via kasha) YARN-2738. [YARN-2574] Add FairReservationSystem for FairScheduler. (Anubhav Dhoot via kasha) YARN-2881. [YARN-2574] Implement PlanFollower for FairScheduler. (Anubhav Dhoot via kasha) YARN-2427. Added the API of moving apps between queues in RM web services. (Varun Vasudev via zjshen) YARN-2217. [YARN-1492] Shared cache client side changes. (Chris Trezzo via kasha) YARN-2616 [YARN-913] Add CLI client to the registry to list, view and manipulate entries. (Akshay Radia via stevel) YARN-2994. Document work-preserving RM restart. (Jian He via ozawa) YARN-2786. Created a yarn cluster CLI and seeded with one command for listing node-labels collection. (Wangda Tan via vinodkv) IMPROVEMENTS YARN-3005. [JDK7] Use switch statement for String instead of if-else statement in RegistrySecurity.java (Kengo Seki via aajisaka) YARN-2950. Change message to mandate, not suggest JS requirement on UI. (Dustin Cote via harsh) YARN-2891. Failed Container Executor does not provide a clear error message. (Dustin Cote via harsh) YARN-1979. TestDirectoryCollection fails when the umask is unusual. (Vinod Kumar Vavilapalli and Tsuyoshi OZAWA via junping_du) YARN-2641. Decommission nodes on -refreshNodes instead of next NM-RM heartbeat. (Zhihai Xu via kasha) YARN-2742. FairSchedulerConfiguration should allow extra spaces between value and unit. (Wei Yan via kasha) YARN-2712. TestWorkPreservingRMRestart: Augment FS tests with queue and headroom checks. (Tsuyoshi Ozawa via kasha) YARN-2735. diskUtilizationPercentageCutoff and diskUtilizationSpaceCutoff are initialized twice in DirectoryCollection. (Zhihai Xu via kasha) YARN-570. Time strings are formated in different timezone. (Akira Ajisaka and Peng Zhang via kasha) YARN-2780. Log aggregated resource allocation in rm-appsummary.log (Eric Payne via jlowe) YARN-2690. [YARN-2574] Make ReservationSystem and its dependent classes independent of Scheduler type. (Anubhav Dhoot via kasha) YARN-2157. Added YARN metrics in the documentaion. (Akira AJISAKA via jianhe) YARN-2802. ClusterMetrics to include AM launch and register delays. (Zhihai Xu via kasha) YARN-2375. Allow enabling/disabling timeline server per framework. (Mit Desai via jeagles) YARN-2604. Scheduler should consider max-allocation-* in conjunction with the largest node. (Robert Kanter via kasha) YARN-2679. Add metric for container launch duration. (Zhihai Xu via kasha) YARN-2669. FairScheduler: queue names shouldn't allow periods (Wei Yan via Sandy Ryza) YARN-2404. Removed ApplicationAttemptState and ApplicationState class in RMStateStore. (Tsuyoshi OZAWA via jianhe) YARN-2165. Added the sanity check for the numeric configuration values of the timeline service. (Vasanth kumar RJ via zjshen) YARN-2907. SchedulerNode#toString should print all resource detail instead of only memory. (Rohith via junping_du) YARN-2136. Changed RMStateStore to ignore store opearations when fenced. (Varun Saxena via jianhe) YARN-1156. Enhance NodeManager AllocatedGB and AvailableGB metrics for aggregation of decimal values. (Tsuyoshi OZAWA via junping_du) YARN-2056. Disable preemption at Queue level (Eric Payne via jlowe) YARN-2762. Fixed RMAdminCLI to trim and check node-label related arguments before sending to RM. (Rohith Sharmaks via jianhe) YARN-2972. DelegationTokenRenewer thread pool never expands. (Jason Lowe via junping_du) YARN-2949. Add documentation for CGroups (Varun Vasudev via junping_du) YARN-2970. NodeLabel operations in RMAdmin CLI get missing in help command. (Varun Saxena via junping_du) YARN-2837. Support TimeLine server to recover delegation token when restarting. (Zhijie Shen via jianhe) YARN-2993. Several fixes (missing acl check, error log msg ...) and some refinement in AdminService. (Yi Liu via junping_du) YARN-2943. Added node-labels page on RM web UI. (Wangda Tan via jianhe) YARN-2998. Abstract out scheduler independent PlanFollower components. (Anubhav Dhoot via kasha) YARN-2360. Fair Scheduler: Display dynamic fair share for queues on the scheduler page. (Ashwin Shankar and Wei Yan via kasha) YARN-2880. Added a test to make sure node labels will be recovered if RM restart is enabled. (Rohith Sharmaks via jianhe) YARN-2996. Improved synchronization and I/O operations of FS- and Mem- RMStateStore. (Yi Liu via zjshen) YARN-2956. Added missing links in YARN documentation. (Masatake Iwasaki via jianhe) YARN-2957. Create unit test to automatically compare YarnConfiguration and yarn-default.xml. (rchiang via rkanter) YARN-2643. Don't create a new DominantResourceCalculator on every FairScheduler.allocate call. (kasha via rkanter) YARN-3019. Make work-preserving-recovery the default mechanism for RM recovery. (Jian He via junping_du) YARN-2807. Option "--forceactive" not works as described in usage of "yarn rmadmin -transitionToActive". (Masatake Iwasaki via xgong) YARN-2984. Metrics for container's actual memory usage. (kasha) YARN-2800. Remove MemoryNodeLabelsStore and add a way to enable/disable node labels feature. (Wangda Tan via ozawa) YARN-3086. Make NodeManager memory configurable in MiniYARNCluster. (Robert Metzger via ozawa) YARN-2897. CrossOriginFilter needs more log statements (Mit Desai via jeagles) YARN-3028. Better syntax for replaceLabelsOnNode in RMAdmin CLI (Rohith Sharmaks via wangda) YARN-2932. Add entry for "preemptable" status (enabled/disabled) to scheduler web UI and queue initialize/refresh logging. (Eric Payne via wangda) YARN-3108. ApplicationHistoryServer doesn't process -D arguments (Chang Li via jeagles) YARN-2808. Made YARN CLI list attempt’s finished containers of a running application. (Naganarasimha G R via zjshen) YARN-3085. Application summary should include the application type (Rohith via jlowe) YARN-3022. Expose Container resource information from NodeManager for monitoring (adhoot via ranter) YARN-3075. NodeLabelsManager implementation to retrieve label to node mapping (Varun Saxena via wangda) YARN-1393. SLS: Add how-to-use instructions. (Wei Yan via kasha) YARN-1723. AMRMClientAsync missing blacklist addition and removal functionality. (Bartosz Ługowski via sseth) YARN-3123. Made YARN CLI show a single completed container even if the app is running. (Naganarasimha G R via zjshen) YARN-1582. Capacity Scheduler: add a maximum-allocation-mb setting per queue (Thomas Graves via jlowe) YARN-1904. Ensure exceptions thrown in ClientRMService & ApplicationHistoryClientService are uniform when application-attempt is not found. (zjshen via acmurthy) YARN-3144. Configuration for making delegation token failures to timeline server not-fatal (Jonathan Eagles via jlowe) YARN-3155. Refactor the exception handling code for TimelineClientImpl's retryOn method (Li Lu via wangda) YARN-3100. Made YARN authorization pluggable. (Jian He via zjshen) YARN-2683. [YARN-913] registry config options: document and move to core-default. (stevel) YARN-1237. Description for yarn.nodemanager.aux-services in yarn-default.xml is misleading. (Brahma Reddy Battula via ozawa) YARN-3157. Refactor the exception handling in ConverterUtils#to*Id. (Bibin A Chundatt via ozawa) YARN-3147. Clean up RM web proxy code. (Steve Loughran via xgong) YARN-2079. Recover NonAggregatingLogHandler state upon nodemanager restart. (Jason Lowe via junping_du) YARN-3158. Correct log messages in ResourceTrackerService. (Varun Saxena via xgong) YARN-3179. Update use of Iterator to Iterable in RMAdminCLI and CommonNodeLabelsManager. (Ray Chiang via xgong) YARN-3182. Cleanup switch statement in ApplicationMasterLauncher#handle(). (Ray Chiang via ozawa) YARN-3203. Correct a log message in AuxServices. (Brahma Reddy Battula via ozawa) YARN-1299. Improve a log message in AppSchedulingInfo by adding application id. (Ashutosh Jindal and Devaraj K via ozawa) YARN-1514. Utility to benchmark ZKRMStateStore#loadState for RM HA. (Tsuyoshi OZAWA via jianhe) YARN-3076. Add API/Implementation to YarnClient to retrieve label-to-node mapping. (Varun Saxena via wangda) YARN-2799. Cleanup TestLogAggregationService based on the change in YARN-90. (Zhihai Xu via junping_du) YARN-3237. AppLogAggregatorImpl fails to log error cause. (Rushabh S Shah via xgong) YARN-3236. Cleanup RMAuthenticationFilter#AUTH_HANDLER_PROPERTY. (zhihai xu via xgong) YARN-2797. TestWorkPreservingRMRestart should use ParametrizedSchedulerTestBase (Karthik Kambatla via xgong) YARN-2797. Add -help to yarn logs and nodes CLI command. (Jagadesh Kiran N via devaraj) YARN-3217. Remove httpclient dependency from hadoop-yarn-server-web-proxy. (Brahma Reddy Battula via ozawa). YARN-3255. RM, NM, JobHistoryServer, and WebAppProxyServer's main() should support generic options. (shv) YARN-2820. Retry in FileSystemRMStateStore when FS's operations fail due to IOException. (Zhihai Xu via ozawa) YARN-3262. Surface application outstanding resource requests table in RM web UI. (Jian He via wangda) YARN-3281. Added RMStateStore to StateMachine visualization list. (Chengbing Liu via jianhe) YARN-3272. Surface container locality info in RM web UI. (Jian He via wangda) YARN-3285. (Backport YARN-3168) Convert branch-2 .apt.vm files of YARN to markdown. (Masatake Iwasaki via jianhe) YARN-3122. Metrics for container's actual CPU usage. (Anubhav Dhoot via kasha) YARN-2190. Added CPU and memory limit options to the default container executor for Windows containers. (Chuan Liu via jianhe) YARN-3296. Mark ResourceCalculatorProcessTree class as Public for configurable resource monitoring. (Hitesh Shah via junping_du) YARN-3187. Documentation of Capacity Scheduler Queue mapping based on user or group. (Gururaj Shetty via jianhe) YARN-2854. Updated the documentation of the timeline service and the generic history service. (Naganarasimha G R via zjshen) Backport part of YARN-3273 to rename CapacitySchedulerLeafQueueInfo#aMResourceLimit to AMResourceLimit. (Rohith via jianhe) YARN-2777. Mark the end of individual log in aggregated log. (Varun Saxena via xgong) YARN-3273. Improve scheduler UI to facilitate scheduling analysis and debugging. (Rohith Sharmaks via jianhe) OPTIMIZATIONS YARN-2990. FairScheduler's delay-scheduling always waits for node-local and rack-local delays, even for off-rack-only requests. (kasha) BUG FIXES YARN-3071. Remove invalid char from sample conf in doc of FairScheduler. (Masatake Iwasaki via aajisaka) YARN-2254. TestRMWebServicesAppsModification should run against both CS and FS. (Zhihai Xu via kasha) YARN-2713. "RM Home" link in NM should point to one of the RMs in an HA setup. (kasha) YARN-2857. ConcurrentModificationException in ContainerLogAppender (Mohammad Kamrul Islam via jlowe) YARN-2432. RMStateStore should process the pending events before close. (Varun Saxena via jianhe) YARN-1703. Fixed ResourceManager web-proxy to close connections correctly. (Rohith Sharma via vinodkv) YARN-2870. Updated the command to run the timeline server in the document. (Masatake Iwasaki via zjshen) YARN-2878. Fix DockerContainerExecutor.apt.vm formatting. (Abin Shahab via jianhe) YARN-2315. FairScheduler: Set current capacity in addition to capacity. (Zhihai Xu via kasha) YARN-2697. Remove useless RMAuthenticationHandler. (Haosong Huang via zjshen) YARN-2461. Fix PROCFS_USE_SMAPS_BASED_RSS_ENABLED property in YarnConfiguration. (rchiang via rkanter) YARN-2869. CapacityScheduler should trim sub queue names when parse configuration. (Wangda Tan via jianhe) YARN-2927. [YARN-1492] InMemorySCMStore properties are inconsistent. (Ray Chiang via kasha) YARN-2931. PublicLocalizer may fail until directory is initialized by LocalizeRunner. (Anubhav Dhoot via kasha) YARN-2930. Fixed TestRMRestart#testRMRestartRecoveringNodeLabelManager intermittent failure. (Wangda Tan via jianhe) YARN-2924. Fixed RMAdminCLI to not convert node labels to lower case. (Wangda Tan via jianhe) YARN-2243. Order of arguments for Preconditions.checkNotNull() is wrong in SchedulerApplicationAttempt ctor. (devaraj) YARN-2912 Jersey Tests failing with port in use. (varun saxena via stevel) YARN-2356. yarn status command for non-existent application/application attempt/container is too verbose. (Sunil G via devaraj) YARN-2914. [YARN-1492] Potential race condition in Singleton implementation of SharedCacheUploaderMetrics, CleanerMetrics, ClientSCMMetrics. (Varun Saxena via kasha) YARN-2945. FSLeafQueue#assignContainer - document the reason for using both write and read locks. (Tsuyoshi Ozawa via kasha) YARN-2944. InMemorySCMStore can not be instantiated with ReflectionUtils#newInstance. (Chris Trezzo via kasha) YARN-2675. containersKilled metrics is not updated when the container is killed during localization. (Zhihai Xu via kasha) YARN-2975. FSLeafQueue app lists are accessed without required locks. (kasha) YARN-2977. Fixed intermittent TestNMClient failure. (Junping Du via ozawa) YARN-2939. Fix new findbugs warnings in hadoop-yarn-common. (Li Lu via junping_du) YARN-2940. Fix new findbugs warnings in rest of the hadoop-yarn components. (Li Lu via junping_du) YARN-2937. Fixed new findbugs warnings in hadoop-yarn-nodemanager. (Varun Saxena via zjshen) YARN-2946. Fixed potential deadlock in RMStateStore. (Rohith Sharmaks via jianhe) YARN-2988. Graph#save() may leak file descriptors. (Ted Yu via ozawa) YARN-2938. Fixed new findbugs warnings in hadoop-yarn-resourcemanager and hadoop-yarn-applicationhistoryservice. (Varun Saxena via zjshen) YARN-2987. Fixed ClientRMService#getQueueInfo to check against queue and app ACLs. (Varun Saxena via jianhe) YARN-2991. Fixed DrainDispatcher to reuse the draining code path in AsyncDispatcher. (Rohith Sharmaks via zjshen) YARN-2958. Made RMStateStore not update the last sequence number when updating the delegation token. (Varun Saxena via zjshen) YARN-2230. Fixed few configs description in yarn-default.xml. (Vijay Bhat via jianhe) YARN-3010. Fixed findbugs warning in AbstractYarnScheduler. (Yi Liu via jianhe) YARN-2936. Changed YARNDelegationTokenIdentifier to set proto fields on getProto method. (Varun Saxena via jianhe) YARN-3014. Replaces labels on a host should update all NM's labels on that host. (Wangda Tan via jianhe) YARN-3027. Scheduler should use totalAvailable resource from node instead of availableResource for maxAllocation. (adhoot via rkanter) YARN-2861. Fixed Timeline DT secret manager to not reuse RM's configs. (Zhijie Shen via jianhe) YARN-3064. TestRMRestart/TestContainerResourceUsage/TestNodeManagerResync failure with allocation timeout. (Jian He via junping_du) YARN-2815. Excluded transitive dependency of JLine in hadoop-yarn-server-common. (Ferdinand Xu via zjshen) YARN-3070. TestRMAdminCLI#testHelp fails for transitionToActive command. (Contributed by Junping Du) YARN-3015. yarn classpath command should support same options as hadoop classpath. (Contributed by Varun Saxena) YARN-2933. Capacity Scheduler preemption policy should only consider capacity without labels temporarily. (Mayank Bansal via wangda) YARN-2731. Fixed RegisterApplicationMasterResponsePBImpl to properly invoke maybeInitBuilder. (Carlo Curino via wangda) YARN-3078. LogCLIHelpers lacks of a blank space before string 'does not exist'. (Sam Liu via ozawa) YARN-3082. Non thread safe access to systemCredentials in NodeHeartbeatResponse processing. (Anubhav Dhoot via ozawa) YARN-3088. LinuxContainerExecutor.deleteAsUser can throw NPE if native executor returns an error (Eric Payne via jlowe) YARN-3079. Scheduler should also update maximumAllocation when updateNodeResource. (Zhihai Xu via wangda) YARN-3029. FSDownload.unpack() uses local locale for FS case conversion, may not work everywhere. (Varun Saxena via ozawa) YARN-3077. Fixed RM to create zk root path recursively. (Chun Chen via jianhe) YARN-3113. Release audit warning for Sorting icons.psd. (stevel via kihwal) YARN-3056. Add verification for containerLaunchDuration in TestNodeManagerMetrics. (zhihai xu via xgong) YARN-2543. Made resource usage be published to the timeline server too. (Naganarasimha G R via zjshen) YARN-3058. Fix error message of tokens' activation delay configuration. (Yi Liu via ozawa) YARN-3101. In Fair Scheduler, fix canceling of reservations for exceeding max share (Anubhav Dhoot via Sandy Ryza) YARN-3149. Fix typo in message for invalid application id. (Bibin A Chundatt via xgong) YARN-3145. Fixed ConcurrentModificationException on CapacityScheduler ParentQueue#getQueueUserAclInfo. (Tsuyoshi OZAWA via jianhe) YARN-1537. Fix race condition in TestLocalResourcesTrackerImpl.testLocalResourceCache. (xgong via acmurthy) YARN-3089. LinuxContainerExecutor does not handle file arguments to deleteAsUser (Eric Payne via jlowe) YARN-3143. RM Apps REST API can return NPE or entries missing id and other fields (jlowe) YARN-2971. RM uses conf instead of token service address to renew timeline delegation tokens (jeagles) YARN-3090. DeletionService can silently ignore deletion task failures (Varun Saxena via jlowe) YARN-2809. Implement workaround for linux kernel panic when removing cgroup (Nathan Roberts via jlowe) YARN-3160. Fix non-atomic operation on nodeUpdateQueue in RMNodeImpl. (Chengbing Liu via junping_du) YARN-3074. Nodemanager dies when localizer runner tries to write to a full disk (Varun Saxena via jlowe) YARN-3151. On Failover tracking url wrong in application cli for KILLED application (Rohith via xgong) YARN-1580. Documentation error regarding "container-allocation.expiry-interval-ms" (Brahma Reddy Battula via junping_du) YARN-3104. Fixed RM to not generate new AMRM tokens on every heartbeat between rolling and activation. (Jason Lowe via jianhe) YARN-3191. Log object should be initialized with its own class. (Rohith via aajisaka) YARN-3164. RMAdmin command usage prints incorrect command name. (Bibin A Chundatt via xgong) YARN-2847. Linux native container executor segfaults if default banned user detected (Olaf Flebbe via jlowe) YARN-2899. Run TestDockerContainerExecutorWithMocks on Linux only. (Ming Ma via cnauroth) YARN-2749. Fix some testcases from TestLogAggregationService fails in trunk. (Xuan Gong via junping_du) YARN-3132. RMNodeLabelsManager should remove node from node-to-label mapping when node becomes deactivated. (Wangda Tan via jianhe) YARN-1615. Fix typos in description about delay scheduling. (Akira Ajisaka via ozawa) YARN-933. Fixed InvalidStateTransitonException at FINAL_SAVING state in RMApp. (Rohith Sharmaks via jianhe) YARN-3247. TestQueueMappings should use CapacityScheduler explicitly. (Zhihai Xu via ozawa) YARN-3256. TestClientToAMTokens#testClientTokenRace is not running against all Schedulers even when using ParameterizedSchedulerTestBase. (Anubhav Dhoot via devaraj) YARN-3270. Fix node label expression not getting set in ApplicationSubmissionContext (Rohit Agarwal via wangda) YARN-3265. Fixed a deadlock in CapacityScheduler by always passing a queue's available resource-limit from the parent queue. (Wangda Tan via vinodkv) YARN-3131. YarnClientImpl should check FAILED and KILLED state in submitApplication (Chang Li via jlowe) YARN-3275. CapacityScheduler: Preemption happening on non-preemptable queues (Eric Payne via jlowe) YARN-3300. Outstanding_resource_requests table should not be shown in AHS. (Xuan Gong via jianhe) YARN-3295. Fix documentation nits found in markdown conversion. (Masatake Iwasaki via ozawa) YARN-3338. Exclude jline dependency from YARN. (Zhijie Shen via xgong) YARN-3154. Added additional APIs in LogAggregationContext to avoid aggregating running logs of application when rolling is enabled. (Xuan Gong via vinodkv) YARN-1453. [JDK8] Fix Javadoc errors caused by incorrect or illegal tags in doc comments. (Akira AJISAKA, Andrew Purtell, and Allen Wittenauer via ozawa) YARN-3349. Treat all exceptions as failure in TestFSRMStateStore#testFSRMStateStoreClientRetry. (Zhihai Xu via ozawa) YARN-3379. Fixed missing data in localityTable and ResourceRequests table in RM WebUI. (Xuan Gong via jianhe) YARN-3384. TestLogAggregationService.verifyContainerLogs fails after YARN-2777. (Naganarasimha G R via ozawa) YARN-3336. FileSystem memory leak in DelegationTokenRenewer. (Zhihai Xu via cnauroth) YARN-2213. Change proxy-user cookie log in AmIpFilter to DEBUG. (Varun Saxena via xgong) YARN-3304. Cleaning up ResourceCalculatorProcessTree APIs for public use and removing inconsistencies in the default values. (Junping Du and Karthik Kambatla via vinodkv) YARN-3430. Made headroom data available on app attempt page of RM WebUI. (Xuan Gong via zjshen) YARN-3466. Fix RM nodes web page to sort by node HTTP-address, #containers and node-label column (Jason Lowe via wangda) Release 2.6.3 - UNRELEASED INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES YARN-4241. Fix typo of property name in yarn-default.xml. (Anthony Rojas via aajisaka) YARN-2859. ApplicationHistoryServer binds to default port 8188 in MiniYARNCluster. (Vinod Kumar Vavilapalli via xgong) YARN-4344. NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations (Varun Vasudev via jlowe) YARN-3925. ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks. (zhihai xu via jlowe) YARN-4365. FileSystemNodeLabelStore should check for root dir existence on startup (Kuhu Shukla via jlowe) YARN-4348. ZKRMStateStore.syncInternal shouldn't wait for sync completion for avoiding blocking ZK's event thread. (ozawa) YARN-4424. Fix deadlock in RMAppImpl. (Jian he via wangda) YARN-4434. NodeManager Disk Checker parameter documentation is not correct. (Weiwei Yang via aajisaka) Release 2.6.2 - 2015-10-28 INCOMPATIBLE CHANGES NEW FEATURES YARN-2019. Retrospect on decision of making RM crashed if any exception throw in ZKRMStateStore. (Jian He via junping_du) IMPROVEMENTS YARN-4092. Fixed UI redirection to print useful messages when both RMs are in standby mode. (Xuan Gong via jianhe) YARN-4101. RM should print alert messages if Zookeeper and Resourcemanager gets connection issue. (Xuan Gong via jianhe) OPTIMIZATIONS BUG FIXES YARN-4087. Followup fixes after YARN-2019 regarding RM behavior when state-store error occurs. (Jian He via xgong) YARN-3554. Default value for maximum nodemanager connect wait time is too high (Naganarasimha G R via jlowe) YARN-3727. For better error recovery, check if the directory exists before using it for localization. (Zhihai Xu via jlowe) YARN-4005. Completed container whose app is finished is possibly not removed from NMStateStore. (Jun Gong via jianhe) YARN-3780. Should use equals when compare Resource in RMNodeImpl#ReconnectNodeTransition. (zhihai xu via devaraj) YARN-3802. Two RMNodes for the same NodeId are used in RM sometimes after NM is reconnected. (zhihai xu via xgong) YARN-3194. RM should handle NMContainerStatuses sent by NM while registering if NM is Reconnected node (Rohith via jlowe) YARN-3896. RMNode transitioned from RUNNING to REBOOTED because its response id has not been reset synchronously. (Jun Gong via rohithsharmaks) YARN-3798. ZKRMStateStore shouldn't create new session without occurrance of SESSIONEXPIED. (ozawa and Varun Saxena) Release 2.6.1 - 2015-09-23 INCOMPATIBLE CHANGES NEW FEATURES YARN-3249. Add a 'kill application' button to Resource Manager's Web UI. (Ryu Kobayashi via ozawa) IMPROVEMENTS YARN-3230. Clarify application states on the web UI. (Jian He via wangda) YARN-1809. Synchronize RM and TimeLineServer Web-UIs. (Zhijie Shen and Xuan Gong via jianhe) YARN-3092. Created a common ResourceUsage class to track labeled resource usages in Capacity Scheduler. (Wangda Tan via jianhe) YARN-3098. Created common QueueCapacities class in Capacity Scheduler to track capacities-by-labels of queues. (Wangda Tan via jianhe) YARN-2301. Improved yarn container command. (Naganarasimha G R via jianhe) YARN-3978. Configurably turn off the saving of container info in Generic AHS (Eric Payne via jeagles) YARN-3248. Display count of nodes blacklisted by apps in the web UI. (Varun Vasudev via xgong) OPTIMIZATIONS BUG FIXES YARN-2856. Fixed RMAppImpl to handle ATTEMPT_KILLED event at ACCEPTED state on app recovery. (Rohith Sharmaks via jianhe) YARN-2816. NM fail to start with NPE during container recovery (Zhihai Xu via jlowe) YARN-2414. RM web UI: app page will crash if app is failed before any attempt has been created (Wangda Tan via jlowe) YARN-2865. Fixed RM to always create a new RMContext when transtions from StandBy to Active. (Rohith Sharmaks via jianhe) YARN-2906. CapacitySchedulerPage shows HTML tags for a queue's Active Users. (Jason Lowe via jianhe) YARN-2905. AggregatedLogsBlock page can infinitely loop if the aggregated log file is corrupted (Varun Saxena via jlowe) YARN-2890. MiniYARNCluster should start the timeline server based on the configuration. (Mit Desai via zjshen) YARN-2894. Fixed a bug regarding application view acl when RM fails over. (Rohith Sharmaks via jianhe) YARN-2874. Dead lock in "DelegationTokenRenewer" which blocks RM to execute any further apps. (Naganarasimha G R via kasha) YARN-2910. FSLeafQueue can throw ConcurrentModificationException. (Wilfred Spiegelenburg via kasha) YARN-2917. Fixed potential deadlock when system.exit is called in AsyncDispatcher (Rohith Sharmaks via jianhe) YARN-2964. RM prematurely cancels tokens for jobs that submit jobs (oozie) (Jian He via jlowe) YARN-1984. LeveldbTimelineStore does not handle db exceptions properly (Varun Saxena via jlowe) YARN-2952. Fixed incorrect version check in StateStore. (Rohith Sharmaks via jianhe) YARN-2340. Fixed NPE when queue is stopped during RM restart. (Rohith Sharmaks via jianhe) YARN-2992. ZKRMStateStore crashes due to session expiry. (Karthik Kambatla via jianhe) YARN-2922. ConcurrentModificationException in CapacityScheduler's LeafQueue. (Rohith Sharmaks via ozawa) YARN-2997. Fixed NodeStatusUpdater to not send alreay-sent completed container statuses on heartbeat. (Chengbing Liu via jianhe) YARN-3011. Possible IllegalArgumentException in ResourceLocalizationService might lead NM to crash. (Varun Saxena via jianhe) YARN-3103. AMRMClientImpl does not update AMRM token properly. (Jason Lowe via jianhe) YARN-3094. Reset timer for liveness monitors after RM recovery. (Jun Gong via jianhe) YARN-2246. Made the proxy tracking URL always be http(s)://proxy addr:port/proxy/ to avoid duplicate sections. (Devaraj K via zjshen) YARN-3207. Secondary filter matches entites which do not have the key being filtered for. (Zhijie Shen via xgong) YARN-3238. Connection timeouts to nodemanagers are retried at multiple levels (Jason Lowe via xgong) YARN-3239. WebAppProxy does not support a final tracking url which has query fragments and params (Jian He via jlowe) YARN-3222. Fixed RMNode to send scheduler events in sequential order when a node reconnects. (Rohith Sharma K S via jianhe) YARN-3231. FairScheduler: Changing queueMaxRunningApps interferes with pending jobs. (Siqi Li via kasha) YARN-3242. Asynchrony in ZK-close can lead to ZKRMStateStore watcher receiving events for old client. (Zhihai Xu via kasha) YARN-3227. Timeline renew delegation token fails when RM user's TGT is expired (Zhijie Shen via xgong) YARN-3287. Made TimelineClient put methods do as the correct login context. (Daryn Sharp and Jonathan Eagles via zjshen) YARN-3267. Timelineserver applies the ACL rules after applying the limit on the number of records (Chang Li via jeagles) YARN-3369. Missing NullPointer check in AppSchedulingInfo causes RM to die. (Brahma Reddy Battula via wangda) YARN-3393. Getting application(s) goes wrong when app finishes before starting the attempt. (Zhijie Shen via xgong) YARN-3055. Fixed ResourceManager's DelegationTokenRenewer to not stop token renewal of applications part of a bigger workflow. (Daryn Sharp via vinodkv) YARN-3493. RM fails to come up with error "Failed to load/recover state" when mem settings are changed. (Jian He via wangda) YARN-3487. CapacityScheduler scheduler lock obtained unnecessarily when calling getQueue (Jason Lowe via wangda) YARN-3024. LocalizerRunner should give DIE action when all resources are localized. (Chengbing Liu via xgong) YARN-3464. Race condition in LocalizerRunner kills localizer before localizing all resources. (Zhihai Xu via kasha) YARN-3641. NodeManager: stopRecoveryStore() shouldn't be skipped when exceptions happen in stopping NM's sub-services. (Junping Du via jlowe) YARN-3526. ApplicationMaster tracking URL is incorrectly redirected on a QJM cluster. (Weiwei Yang via xgong) YARN-2766. Made ApplicationHistoryManager return a sorted list of apps, attempts and containers. (Robert Kanter via zjshen) YARN-3700. Made generic history service load a number of latest applications according to the parameter or the configuration. (Xuan Gong via zjshen) YARN-2900. Application (Attempt and Container) Not Found in AHS results in InternalServer Error (500). (Zhijie Shen and Mit Desai via xgong) YARN-3725. App submission via REST API is broken in secure mode due to Timeline DT service address is empty. (Zhijie Shen via wangda) YARN-3585. NodeManager cannot exit on SHUTDOWN event triggered and NM recovery is enabled (Rohith Sharmaks via jlowe) YARN-3832. Resource Localization fails on a cluster due to existing cache directories (Brahma Reddy Battula via jlowe) YARN-3850. NM fails to read files from full disks which can lead to container logs being lost and other issues (Varun Saxena via jlowe) YARN-3990. AsyncDispatcher may overloaded with RMAppNodeUpdateEvent when Node is connected/disconnected (Bibin A Chundatt via jlowe) YARN-2637. Fixed max-am-resource-percent calculation in CapacityScheduler when activating applications. (Craig Welch via jianhe) YARN-3733. Fix DominantRC#compare() does not work as expected if cluster resource is empty. (Rohith Sharmaks via wangda) YARN-2920. Changed CapacityScheduler to kill containers on nodes where node labels are changed. (Wangda Tan via jianhe) YARN-2978. Fixed potential NPE while getting queue info. (Varun Saxena via jianhe) YARN-3099. Capacity Scheduler LeafQueue/ParentQueue should use ResourceUsage to track used-resources-by-label.(Wangda Tan via jianhe) YARN-2694. Ensure only single node label specified in ResourceRequest. (Wangda Tan via jianhe) YARN-3124. Fixed CS LeafQueue/ParentQueue to use QueueCapacities to track capacities-by-label. (Wangda Tan via jianhe) YARN-2918. RM should not fail on startup if queue's configured labels do not exist in cluster-node-labels. (Wangda Tan via jianhe) YARN-3999. RM hangs on draing events. (Jian He via xgong) YARN-4047. ClientRMService getApplications has high scheduler lock contention. (Jason Lowe via jianhe) YARN-1884. Added nodeHttpAddress into ContainerReport and fixed the link to NM web page. (Xuan Gong via zjshen) YARN-3171. Sort by Application id, AppAttempt and ContainerID doesn't work in ATS / RM web ui. (Naganarasimha G R via xgong) YARN-3740. Fixed the typo in the configuration name: APPLICATION_HISTORY_PREFIX_MAX_APPS. (Xuan Gong via zjshen) YARN-3544. Got back AM logs link on the RM web UI for a completed app. (Xuan Gong via zjshen) Release 2.6.0 - 2014-11-18 INCOMPATIBLE CHANGES NEW FEATURES YARN-1964. Create Docker analog of the LinuxContainerExecutor in YARN. (Abin Shahab via raviprak) YARN-2131. Add a way to format the RMStateStore. (Robert Kanter via kasha) YARN-1367. Changed NM to not kill containers on NM resync if RM work-preserving restart is enabled. (Anubhav Dhoot via jianhe) YARN-1366. Changed AMRMClient to re-register with RM and send outstanding requests back to RM on work-preserving RM restart. (Rohith via jianhe) YARN-2181. Added preemption info to logs and RM web UI. (Wangda Tan via jianhe) YARN-1354. Recover applications upon nodemanager restart. (Jason Lowe via junping_du) YARN-1337. Recover containers upon nodemanager restart. (Jason Lowe via junping_du) YARN-2277. Added cross-origin support for the timeline server web services. (Jonathan Eagles via zjshen) YARN-2378. Added support for moving applications across queues in CapacityScheduler. (Subramaniam Venkatraman Krishnan via jianhe) YARN-2411. Support simple user and group mappings to queues. (Ram Venkatesh via jianhe) YARN-2174. Enable HTTPs for the writer REST API of TimelineServer. (Zhijie Shen via jianhe) YARN-2393. FairScheduler: Add the notion of steady fair share. (Wei Yan via kasha) YARN-2395. FairScheduler: Preemption timeout should be configurable per queue. (Wei Yan via kasha) YARN-2394. FairScheduler: Configure fairSharePreemptionThreshold per queue. (Wei Yan via kasha) YARN-415. Capture aggregate memory allocation at the app-level for chargeback. (Eric Payne & Andrey Klochkov via jianhe) YARN-2440. Enabled Nodemanagers to limit the aggregate cpu usage across all containers to a preconfigured limit. (Varun Vasudev via vinodkv) YARN-2033. Merging generic-history into the Timeline Store (Zhijie Shen via junping_du) YARN-611. Added an API to let apps specify an interval beyond which AM failures should be ignored towards counting max-attempts. (Xuan Gong via vinodkv) YARN-2531. Added a configuration for admins to be able to override app-configs and enforce/not-enforce strict control of per-container cpu usage. (Varun Vasudev via vinodkv) YARN-1250. Generic history service should support application-acls. (Zhijie Shen via junping_du) YARN-2569. Added the log handling APIs for the long running services. (Xuan Gong via zjshen) YARN-2102. Added the concept of a Timeline Domain to handle read/write ACLs on Timeline service event data. (Zhijie Shen via vinodkv) YARN-2581. Passed LogAggregationContext to NM via ContainerTokenIdentifier. (Xuan Gong via zjshen) YARN-1063. Augmented Hadoop common winutils to have the ability to create containers as domain users. (Remus Rusanu via vinodkv) YARN-2613. Support retry in NMClient for rolling-upgrades. (Jian He via junping_du) YARN-1972. Added a secure container-executor for Windows. (Remus Rusanu via vinodkv) YARN-2446. Augmented Timeline service APIs to start taking in domains as a parameter while posting entities and events. (Zhijie Shen via vinodkv) YARN-2468. Enhanced NodeManager to support log handling APIs (YARN-2569) for use by long running services. (Xuan Gong via vinodkv) YARN-1051. Add a system for creating reservations of cluster capacity. (see breakdown below) YARN-913. Add a way to register long-lived services in a YARN cluster. (stevel) YARN-2493. Added user-APIs for using node-labels. (Wangda Tan via vinodkv) YARN-2544. Added admin-API objects for using node-labels. (Wangda Tan via vinodkv) YARN-2494. Added NodeLabels Manager internal API and implementation. (Wangda Tan via vinodkv) YARN-2501. Enhanced AMRMClient library to support requests against node labels. (Wangda Tan via vinodkv) YARN-2656. Made RM web services authentication filter support proxy user. (Varun Vasudev and Zhijie Shen via zjshen) YARN-2496. Enhanced Capacity Scheduler to have basic support for allocating resources based on node-labels. (Wangda Tan via vinodkv) YARN-2500. Enhaced ResourceManager to support schedulers allocating resources based on node-labels. (Wangda Tan via vinodkv) YARN-2504. Enhanced RM Admin CLI to support management of node-labels. (Wangda Tan via vinodkv) YARN-2198. Remove the need to run NodeManager as privileged account for Windows Secure Container Executor. (Remus Rusanu via jianhe) YARN-2647. Added a queue CLI for getting queue information. (Sunil Govind via vinodkv) YARN-2632. Document NM Restart feature. (Junping Du and Vinod Kumar Vavilapalli via jlowe) YARN-2505. Supported get/add/remove/change labels in RM REST API. (Craig Welch via zjshen) YARN-2811. In Fair Scheduler, reservation fulfillments shouldn't ignore max share (Siqi Li via Sandy Ryza) IMPROVEMENTS YARN-2242. Improve exception information on AM launch crashes. (Li Lu via junping_du) YARN-2274. FairScheduler: Add debug information about cluster capacity, availability and reservations. (kasha) YARN-2228. Augmented TimelineServer to load pseudo authentication filter when authentication = simple. (Zhijie Shen via vinodkv) YARN-1341. Recover NMTokens upon nodemanager restart. (Jason Lowe via junping_du) YARN-2208. AMRMTokenManager need to have a way to roll over AMRMToken. (xgong) YARN-2323. FairShareComparator creates too many Resource objects (Hong Zhiguo via Sandy Ryza) YARN-2045. Data persisted in NM should be versioned (Junping Du via jlowe) YARN-2013. The diagnostics is always the ExitCodeException stack when the container crashes. (Tsuyoshi OZAWA via junping_du) YARN-2295. Refactored DistributedShell to use public APIs of protocol records. (Li Lu via jianhe) YARN-1342. Recover container tokens upon nodemanager restart. (Jason Lowe via devaraj) YARN-2214. FairScheduler: preemptContainerPreCheck() in FSParentQueue delays convergence towards fairness. (Ashwin Shankar via kasha) YARN-2211. Persist AMRMToken master key in RMStateStore for RM recovery. (Xuan Gong via jianhe) YARN-2328. FairScheduler: Verify update and continuous scheduling threads are stopped when the scheduler is stopped. (kasha) YARN-2347. Consolidated RMStateVersion and NMDBSchemaVersion into Version in yarn-server-common. (Junping Du via zjshen) YARN-1994. Expose YARN/MR endpoints on multiple interfaces. (Craig Welch, Milan Potocnik, Arpit Agarwal via xgong) YARN-2343. Improve NMToken expire exception message. (Li Lu via jianhe) YARN-2370. Fix comment in o.a.h.y.server.resourcemanager.schedulerAppSchedulingInfo (Wenwu Peng via junping_du) YARN-2298. Move TimelineClient to yarn-common project (Zhijie Shen via junping_du) YARN-2288. Made persisted data in LevelDB timeline store be versioned. (Junping Du via zjshen) YARN-2352. FairScheduler: Collect metrics on duration of critical methods that affect performance. (kasha) YARN-2212. ApplicationMaster needs to find a way to update the AMRMToken periodically. (xgong) YARN-2026. Fair scheduler: Consider only active queues for computing fairshare. (Ashwin Shankar via kasha) YARN-1954. Added waitFor to AMRMClient(Async). (Tsuyoshi Ozawa via zjshen) YARN-2302. Refactor TimelineWebServices. (Zhijie Shen via junping_du) YARN-2337. ResourceManager sets ClientRMService in RMContext multiple times. (Zhihai Xu via kasha) YARN-2138. Cleaned up notifyDone* APIs in RMStateStore. (Varun Saxena via jianhe) YARN-2373. Changed WebAppUtils to use Configuration#getPassword for accessing SSL passwords. (Larry McCay via jianhe) YARN-2317. Updated the document about how to write YARN applications. (Li Lu via zjshen) YARN-2399. FairScheduler: Merge AppSchedulable and FSSchedulerApp into FSAppAttempt. (kasha) YARN-1370. Fair scheduler to re-populate container allocation state. (Anubhav Dhoot via kasha) YARN-2197. Add a link to YARN CHANGES.txt in the left side of doc (Akira AJISAKA via aw) YARN-1918. Typo in description and error message for 'yarn.resourcemanager.cluster-id' (Anandha L Ranganathan via aw) YARN-2389. Added functionality for schedulers to kill all applications in a queue. (Subramaniam Venkatraman Krishnan via jianhe) YARN-1326. RM should log using RMStore at startup time. (Tsuyoshi Ozawa via kasha) YARN-2182. Updated ContainerId#toString() to append RM Epoch number. (Tsuyoshi OZAWA via jianhe) YARN-2406. Move RM recovery related proto to yarn_server_resourcemanager_recovery.proto. (Tsuyoshi Ozawa via jianhe) YARN-1506. Changed RMNode/SchedulerNode to update resource with event notification. (Junping Du via jianhe) YARN-2509. Enable Cross Origin Filter for timeline server only and not all Yarn servers (Mit Desai via jeagles) YARN-2511. Allowed all origins by default when CrossOriginFilter is enabled. (Jonathan Eagles via zjshen) YARN-2508. Cross Origin configuration parameters prefix are not honored (Mit Desai via jeagles) YARN-2512. Allowed pattern matching for origins in CrossOriginFilter. (Jonathan Eagles via zjshen) YARN-2507. Documented CrossOriginFilter configurations for the timeline server. (Jonathan Eagles via zjshen) YARN-2515. Updated ConverterUtils#toContainerId to parse epoch. (Tsuyoshi OZAWA via jianhe) YARN-2448. Changed ApplicationMasterProtocol to expose RM-recognized resource types to the AMs. (Varun Vasudev via vinodkv) YARN-2538. Added logs when RM sends roll-overed AMRMToken to AM. (Xuan Gong via zjshen) YARN-2229. Changed the integer field of ContainerId to be long type. (Tsuyoshi OZAWA via jianhe) YARN-2547. Cross Origin Filter throws UnsupportedOperationException upon destroy (Mit Desai via jeagles) YARN-2557. Add a parameter "attempt_Failures_Validity_Interval" into DistributedShell. (xgong) YARN-2001. Added a time threshold for RM to wait before starting container allocations after restart/failover. (Jian He via vinodkv) YARN-1372. Ensure all completed containers are reported to the AMs across RM restart. (Anubhav Dhoot via jianhe) YARN-2539. FairScheduler: Set the default value for maxAMShare to 0.5. (Wei Yan via kasha) YARN-1959. Fix headroom calculation in FairScheduler. (Anubhav Dhoot via kasha) YARN-2577. Clarify ACL delimiter and how to configure ACL groups only (Miklos Christine via aw) YARN-2372. There are Chinese Characters in the FairScheduler's document (Fengdong Yu via aw) YARN-668. Changed NMTokenIdentifier/AMRMTokenIdentifier/ContainerTokenIdentifier to use protobuf object as the payload. (Junping Du via jianhe) YARN-1769. CapacityScheduler: Improve reservations (Thomas Graves via jlowe) YARN-2627. Added the info logs of attemptFailuresValidityInterval and number of previous failed attempts. (Xuan Gong via zjshen) YARN-2562. Changed ContainerId#toString() to be more readable. (Tsuyoshi OZAWA via jianhe) YARN-2615. Changed ClientToAMTokenIdentifier/RM(Timeline)DelegationTokenIdentifier to use protobuf as payload. (Junping Du via jianhe) YARN-2629. Made the distributed shell use the domain-based timeline ACLs. (zjshen) YARN-2583. Modified AggregatedLogDeletionService to be able to delete rolling aggregated logs. (Xuan Gong via zjshen) YARN-2312. Deprecated old ContainerId#getId API and updated MapReduce to use ContainerId#getContainerId instead. (Tsuyoshi OZAWA via jianhe) YARN-2621. Simplify the output when the user doesn't have the access for getDomain(s). (Zhijie Shen via jianhe) YARN-1879. Marked Idempotent/AtMostOnce annotations to ApplicationMasterProtocol for RM fail over. (Tsuyoshi OZAWA via jianhe) YARN-2676. Enhanced Timeline auth-filter to support proxy users. (Zhijie Shen via vinodkv) YARN-2673. Made timeline client put APIs retry if ConnectException happens. (Li Lu via zjshen) YARN-2582. Fixed Log CLI and Web UI for showing aggregated logs of LRS. (Xuan Gong via zjshen) YARN-90. NodeManager should identify failed disks becoming good again (Varun Vasudev via jlowe) YARN-2709. Made timeline client getDelegationToken API retry if ConnectException happens. (Li Lu via zjshen) YARN-2682. Updated WindowsSecureContainerExecutor to not use DefaultContainerExecutor#getFirstApplicationDir and use getWorkingDir() instead. (Zhihai Xu via jianhe) YARN-2209. Replaced AM resync/shutdown command with corresponding exceptions and made related MR changes. (Jian He via zjshen) YARN-2703. Added logUploadedTime into LogValue for better display. (Xuan Gong via zjshen) YARN-2704. Changed ResourceManager to optionally obtain tokens itself for the sake of localization and log-aggregation for long-running services. (Jian He via vinodkv) YARN-2502. Changed DistributedShell to support node labels. (Wangda Tan via jianhe) YARN-2760. Remove 'experimental' from FairScheduler docs. (Harsh J via kasha) YARN-2503. Added node lablels in web UI. (Wangda Tan via jianhe) YARN-2779. Fixed ResourceManager to not require delegation tokens for communicating with Timeline Service. (Zhijie Shen via vinodkv) YARN-2778. Moved node-lables' reports to the yarn nodes CLI from the admin CLI. (Wangda Tan via vinodkv) YARN-2770. Added functionality to renew/cancel TimeLineDelegationToken. (Zhijie Shen via jianhe) YARN-2818. Removed the now unnecessary user entity injection from Timeline service given we now have domains. (Zhijie Shen via vinodkv) YARN-2635. TestRM, TestRMRestart, TestClientToAMTokens should run with both CS and FS. (Wei Yan and kasha via kasha) OPTIMIZATIONS BUG FIXES YARN-2251. Avoid negative elapsed time in JHS/MRAM web UI and services. (Zhijie Shen via junping_du) YARN-2088. Fixed a bug in GetApplicationsRequestPBImpl#mergeLocalToBuilder. (Binglin Chang via jianhe) YARN-2260. Fixed ResourceManager's RMNode to correctly remember containers when nodes resync during work-preserving RM restart. (Jian He via vinodkv) YARN-2264. Fixed a race condition in DrainDispatcher which may cause random test failures. (Li Lu via jianhe) YARN-2219. Changed ResourceManager to avoid AMs and NMs getting exceptions after RM recovery but before scheduler learns about apps and app-attempts. (Jian He via vinodkv) YARN-2244. FairScheduler missing handling of containers for unknown application attempts. (Anubhav Dhoot via kasha) YARN-2321. NodeManager web UI can incorrectly report Pmem enforcement (Leitao Guo via jlowe) YARN-2273. NPE in ContinuousScheduling thread when we lose a node. (Wei Yan via kasha) YARN-2313. Livelock can occur in FairScheduler when there are lots of running apps (Tsuyoshi Ozawa via Sandy Ryza) YARN-2147. client lacks delegation token exception details when application submit fails (Chen He via jlowe) YARN-1796. container-executor shouldn't require o-r permissions (atm) YARN-2354. DistributedShell may allocate more containers than client specified after AM restarts. (Li Lu via jianhe) YARN-2051. Fix bug in PBimpls and add more unit tests with reflection. (Binglin Chang via junping_du) YARN-2374. Fixed TestDistributedShell#testDSShell failure due to hostname dismatch. (Varun Vasudev via jianhe) YARN-2359. Application hangs when it fails to launch AM container. (Zhihai Xu via kasha) YARN-2388. Fixed TestTimelineWebServices failure due to HADOOP-10791. (zjshen) YARN-2008. Fixed CapacityScheduler to calculate headroom based on max available capacity instead of configured max capacity. (Craig Welch via jianhe) YARN-2400. Fixed TestAMRestart fails intermittently. (Jian He via xgong) YARN-2361. RMAppAttempt state machine entries for KILLED state has duplicate event entries. (Zhihai Xu via kasha) YARN-2070. Made DistributedShell publish the short user name to the timeline server. (Robert Kanter via zjshen) YARN-2397. Avoided loading two authentication filters for RM and TS web interfaces. (Varun Vasudev via zjshen) YARN-2409. RM ActiveToStandBy transition missing stoping previous rmDispatcher. (Rohith via jianhe) YARN-2249. Avoided AM release requests being lost on work preserving RM restart. (Jian He via zjshen) YARN-2034. Description for yarn.nodemanager.localizer.cache.target-size-mb is incorrect (Chen He via jlowe) YARN-1919. Potential NPE in EmbeddedElectorService#stop. (Tsuyoshi Ozawa via kasha) YARN-2424. LCE should support non-cgroups, non-secure mode (Chris Douglas via aw) YARN-2434. RM should not recover containers from previously failed attempt when AM restart is not enabled (Jian He via jlowe) YARN-2035. FileSystemApplicationHistoryStore should not make working dir when it already exists. (Jonathan Eagles via zjshen) YARN-2405. NPE in FairSchedulerAppsBlock. (Tsuyoshi Ozawa via kasha) YARN-2449. Fixed the bug that TimelineAuthenticationFilterInitializer is not automatically added when hadoop.http.filter.initializers is not configured. (Varun Vasudev via zjshen) YARN-2450. Fix typos in log messages. (Ray Chiang via hitesh) YARN-2447. RM web service app submission doesn't pass secrets correctly. (Varun Vasudev via jianhe) YARN-2462. TestNodeManagerResync#testBlockNewContainerRequestsOnStartAndResync should have a test timeout (Eric Payne via jlowe) YARN-2431. NM restart: cgroup is not removed for reacquired containers (jlowe) YARN-2519. Credential Provider related unit tests failed on Windows. (Xiaoyu Yao via cnauroth) YARN-2526. SLS can deadlock when all the threads are taken by AMSimulators. (Wei Yan via kasha) YARN-1458. FairScheduler: Zero weight can lead to livelock. (Zhihai Xu via kasha) YARN-2459. RM crashes if App gets rejected for any reason and HA is enabled. (Jian He and Mayank Bansal via xgong) YARN-2158. Fixed TestRMWebServicesAppsModification#testSingleAppKill test failure. (Varun Vasudev via jianhe) YARN-2534. FairScheduler: Potential integer overflow calculating totalMaxShare. (Zhihai Xu via kasha) YARN-2541. Fixed ResourceManagerRest.apt.vm table syntax error. (jianhe) YARN-2484. FileSystemRMStateStore#readFile/writeFile should close FSData(In|Out)putStream in final block (Tsuyoshi OZAWA via jlowe) YARN-2456. Possible livelock in CapacityScheduler when RM is recovering apps. (Jian He via xgong) YARN-2542. Fixed NPE when retrieving ApplicationReport from TimeLineServer. (Zhijie Shen via jianhe) YARN-2528. Relaxed http response split vulnerability protection for the origins header and made it accept multiple origins in CrossOriginFilter. (Jonathan Eagles via zjshen) YARN-2549. TestContainerLaunch fails due to classpath problem with hamcrest classes. (cnauroth) YARN-2529. Generic history service RPC interface doesn't work when service authorization is enabled. (Zhijie Shen via jianhe) YARN-2558. Updated ContainerTokenIdentifier#read/write to use ContainerId#getContainerId. (Tsuyoshi OZAWA via jianhe) YARN-2559. Fixed NPE in SystemMetricsPublisher when retrieving FinalApplicationStatus. (Zhijie Shen via jianhe) YARN-1779. Fixed AMRMClient to handle AMRMTokens correctly across ResourceManager work-preserving-restart or failover. (Jian He via vinodkv) YARN-2363. Submitted applications occasionally lack a tracking URL (jlowe) YARN-2561. MR job client cannot reconnect to AM after NM restart. (Junping Du via jlowe) YARN-2563. Fixed YarnClient to call getTimeLineDelegationToken only if the Token is not present. (Zhijie Shen via jianhe) YARN-2568. Fixed the potential test failures due to race conditions when RM work-preserving recovery is enabled. (Jian He via zjshen) YARN-2565. Fixed RM to not use FileSystemApplicationHistoryStore unless explicitly set. (Zhijie Shen via jianhe) YARN-2460. Remove obsolete entries from yarn-default.xml (Ray Chiang via aw) YARN-2452. TestRMApplicationHistoryWriter fails with FairScheduler. (Zhihai Xu via kasha) YARN-2453. TestProportionalCapacityPreemptionPolicy fails with FairScheduler. (Zhihai Xu via kasha) YARN-2540. FairScheduler: Queue filters not working on scheduler page in RM UI. (Ashwin Shankar via kasha) YARN-2584. TestContainerManagerSecurity fails on trunk. (Jian He via junping_du) YARN-2252. Intermittent failure of TestFairScheduler.testContinuousScheduling. (Ratandeep Ratti and kasha via kasha) YARN-2161. Fix build on macosx: YARN parts (Binglin Chang via aw) YARN-2596. TestWorkPreservingRMRestart fails with FairScheduler. (kasha) YARN-2546. Made REST API for application creation/submission use numeric and boolean types instead of the string of them. (Varun Vasudev via zjshen) YARN-2523. ResourceManager UI showing negative value for "Decommissioned Nodes" field (Rohith via jlowe) YARN-2608. FairScheduler: Potential deadlocks in loading alloc files and clock access. (Wei Yan via kasha) YARN-2606. Application History Server tries to access hdfs before doing secure login (Mit Desai via jeagles) YARN-2610. Hamlet should close table tags. (Ray Chiang via kasha) YARN-2387. Resource Manager crashes with NPE due to lack of synchronization (Mit Desai via jlowe) YARN-2594. Potential deadlock in RM when querying ApplicationResourceUsageReport. (Wangda Tan via kasha) YARN-2602. Fixed possible NPE in ApplicationHistoryManagerOnTimelineStore. (Zhijie Shen via jianhe) YARN-2630. Prevented previous AM container status from being acquired by the current restarted AM. (Jian He via zjshen) YARN-2617. Fixed NM to not send duplicate container status whose app is not running. (Jun Gong via jianhe) YARN-2624. Resource Localization fails on a cluster due to existing cache directories (Anubhav Dhoot via jlowe) YARN-2527. Fixed the potential NPE in ApplicationACLsManager and added test cases for it. (Benoy Antony via zjshen) YARN-2628. Capacity scheduler with DominantResourceCalculator carries out reservation even though slots are free. (Varun Vasudev via jianhe) YARN-2685. Fixed a bug in CommonNodeLabelsManager that caused wrong resource tracking per label when a host runs multiple node-managers. (Wangda Tan via vinodkv) YARN-2699. Fixed a bug in CommonNodeLabelsManager that caused tests to fail when using ephemeral ports on NodeIDs. (Wangda Tan via vinodkv) YARN-2705. Fixed bugs in ResourceManager node-label manager that were causing test-failures: added a dummy in-memory labels-manager. (Wangda Tan via vinodkv) YARN-2715. Fixed ResourceManager to respect common configurations for proxy users/groups beyond just the YARN level config. (Zhijie Shen via vinodkv) YARN-2743. Fixed a bug in ResourceManager that was causing RMDelegationToken identifiers to be tampered and thus causing app submission failures in secure mode. (Jian He via vinodkv) BREAKDOWN OF YARN-1051 SUBTASKS AND RELATED JIRAS YARN-1707. Introduce APIs to add/remove/resize queues in the CapacityScheduler. (Carlo Curino and Subru Krishnan via curino) YARN-2475. Logic for responding to capacity drops for the ReservationSystem. (Carlo Curino and Subru Krishnan via curino) YARN-1708. Public YARN APIs for creating/updating/deleting reservations. (Subru Krishnan and Carlo Curino via subru) YARN-1709. In-memory data structures used to track resources over time to enable reservations. (Subru Krishnan and Carlo Curino via subru) YARN-1710. Logic to find allocations within a Plan that satisfy user ReservationRequest(s). (Carlo Curino and Subru Krishnan via curino) YARN-1711. Policy to enforce instantaneous and over-time quotas on user reservations. (Carlo Curino and Subru Krishnan via curino) YARN-1712. Plan follower that synchronizes the current state of reservation subsystem with the scheduler. (Subru Krishnan and Carlo Curino via subru) YARN-2080. Integrating reservation system with ResourceManager and client-RM protocol. (Subru Krishnan and Carlo Curino via subru) MAPREDUCE-6103. Adding reservation APIs to MR resource manager delegate. (Subru Krishnan and Carlo Curino via subru) YARN-2576. Fixing compilation, javadocs and audit issues to pass test patch in branch. (Subru Krishnan and Carlo Curino via subru) YARN-2611. Fixing jenkins findbugs warning and TestRMWebServicesCapacitySched for branch YARN-1051. (Subru Krishnan and Carlo Curino via subru) YARN-2644. Fixed CapacityScheduler to return up-to-date headroom when AM allocates. (Craig Welch via jianhe) YARN-1857. CapacityScheduler headroom doesn't account for other AM's running. (Chen He and Craig Welch via jianhe) YARN-2649. Fixed TestAMRMRPCNodeUpdates test failure. (Ming Ma via jianhe) YARN-2662. TestCgroupsLCEResourcesHandler leaks file descriptors. (cnauroth) BREAKDOWN OF YARN-913 SUBTASKS AND RELATED JIRAS YARN-2652 Add hadoop-yarn-registry package under hadoop-yarn. (stevel) YARN-2668 yarn-registry JAR won't link against ZK 3.4.5. (stevel) YARN-2689 TestSecureRMRegistryOperations failing on windows: secure ZK won't start (stevel) YARN-2692 ktutil test hanging on some machines/ktutil versions (stevel) YARN-2700 TestSecureRMRegistryOperations failing on windows: auth problems (stevel) YARN-2677 registry punycoding of usernames doesn't fix all usernames to be DNS-valid (stevel) YARN-2768 Improved Yarn Registry service record structure (stevel) --- YARN-2598 GHS should show N/A instead of null for the inaccessible information (Zhijie Shen via mayank) YARN-2671. Fixed ApplicationSubmissionContext to still set resource for backward compatibility. (Wangda Tan via zjshen) YARN-2667. Fix the release audit warning caused by hadoop-yarn-registry (Yi Liu via jlowe) YARN-2651. Spun off LogRollingInterval from LogAggregationContext. (Xuan Gong via zjshen) YARN-2377. Localization exception stack traces are not passed as diagnostic info (Gera Shegalov via jlowe) YARN-2308. Changed CapacityScheduler to explicitly throw exception if the queue to which the apps were submitted is changed across RM restart. (Craig Welch & Chang Li via jianhe) YARN-2566. DefaultContainerExecutor should pick a working directory randomly. (Zhihai Xu via kasha) YARN-2588. Standby RM fails to transitionToActive if previous transitionToActive failed with ZK exception. (Rohith Sharmaks via jianhe) YARN-2701. Potential race condition in startLocalizer when using LinuxContainerExecutor. (Xuan Gong via jianhe) YARN-2717. Avoided duplicate logging when container logs are not found. (Xuan Gong via zjshen) YARN-2720. Windows: Wildcard classpath variables not expanded against resources contained in archives. (Craig Welch via cnauroth) YARN-2721. Suppress NodeExist exception thrown by ZKRMStateStore when it retries creating znode. (Jian He via zjshen) YARN-2732. Fixed syntax error in SecureContainer.apt.vm. (Jian He via zjshen) YARN-2724. Skipped uploading a local log file to HDFS if exception is raised when opening it. (Xuan Gong via zjshen) YARN-1915. Fixed a race condition that client could use the ClientToAMToken to contact with AM before AM actually receives the ClientToAMTokenMasterKey. (Jason Lowe via jianhe) YARN-2314. Disable ContainerManagementProtocolProxy cache by default to prevent creating thousands of threads in a large cluster. (Jason Lowe via jianhe) YARN-2723. Fix rmadmin -replaceLabelsOnNode does not correctly parse port. (Naganarasimha G R via xgong) YARN-2734. Skipped sub-folders in the local log dir when aggregating logs. (Xuan Gong via zjshen) YARN-2726. CapacityScheduler should explicitly log when an accessible label has no capacity. (Wangda Tan via xgong) YARN-2591. Fixed AHSWebServices to return FORBIDDEN(403) if the request user doesn't have access to the history data. (Zhijie Shen via jianhe) YARN-2279. Add UTs to cover timeline server authentication. (Zhijie Shen via xgong) YARN-2758. Update TestApplicationHistoryClientService to use the new generic history store. (Zhijie Shen via xgong) YARN-2741. Made NM web UI serve logs on the drive other than C: on Windows. (Craig Welch via zjshen) YARN-2747. Fixed the test failure of TestAggregatedLogFormat when native I/O is enabled. (Xuan Gong via zjshen) YARN-2769. Fixed the problem that timeline domain is not set in distributed shell AM when using shell_command on Windows. (Varun Vasudev via zjshen) YARN-2755. NM fails to clean up usercache_DEL_ dirs after YARN-661 (Siqi Li via jlowe) YARN-2698. Moved some node label APIs to be correctly placed in client protocol. (Wangda Tan via vinodkv) YARN-2789. Re-instated the NodeReport.newInstance private unstable API modified in YARN-2698 so that tests in YARN frameworks don't break. (Wangda Tan via vinodkv) YARN-2707. Potential null dereference in FSDownload (Gera Shegalov via jlowe) YARN-2711. Fixed TestDefaultContainerExecutor#testContainerLaunchError failure on Windows. (Varun Vasudev via zjshen) YARN-2790. Fixed a NodeManager bug that was causing log-aggregation to fail beyond HFDS delegation-token expiry even when RM is a proxy-user (YARN-2704). (Jian He via vinodkv) YARN-2785. Fixed intermittent TestContainerResourceUsage failure. (Varun Vasudev via zjshen) YARN-2730. DefaultContainerExecutor runs only one localizer at a time (Siqi Li via jlowe) YARN-2798. Fixed YarnClient to populate the renewer correctly for Timeline delegation tokens. (Zhijie Shen via vinodkv) YARN-2788. Fixed backwards compatiblity issues with log-aggregation feature that were caused when adding log-upload-time via YARN-2703. (Xuan Gong via vinodkv) YARN-2795. Fixed ResourceManager to not crash loading node-label data from HDFS in secure mode. (Wangda Tan via vinodkv) YARN-1922. Fixed NodeManager to kill process-trees correctly in the presence of races between the launch and the stop-container call and when root processes crash. (Billie Rinaldi via vinodkv) YARN-2752. Made ContainerExecutor append "nice -n" arg only when priority adjustment flag is set. (Xuan Gong via zjshen) YARN-2010. Handle app-recovery failures gracefully. (Jian He and Karthik Kambatla via kasha) YARN-2804. Fixed Timeline service to not fill the logs with JAXB bindings exceptions. (Zhijie Shen via vinodkv) YARN-2767. Added a test case to verify that http static user cannot kill or submit apps in the secure mode. (Varun Vasudev via zjshen) YARN-2805. Fixed ResourceManager to load HA configs correctly before kerberos login. (Wangda Tan via vinodkv) YARN-2579. Fixed a deadlock issue when EmbeddedElectorService and FatalEventDispatcher try to transition RM to StandBy at the same time. (Rohith Sharmaks via jianhe) YARN-2813. Fixed NPE from MemoryTimelineStore.getDomains. (Zhijie Shen via xgong) YARN-2812. TestApplicationHistoryServer is likely to fail on less powerful machine. (Zhijie Shen via xgong) YARN-2744. Fixed CapacityScheduler to validate node-labels correctly against queues. (Wangda Tan via vinodkv) YARN-2823. Fixed ResourceManager app-attempt state machine to inform schedulers about previous finished attempts of a running appliation to avoid expectation mismatch w.r.t transferred containers. (Jian He via vinodkv) YARN-2810. TestRMProxyUsersConf fails on Windows VMs. (Varun Vasudev via xgong) YARN-2824. Fixed Capacity Scheduler to not crash when some node-labels are not mapped to queues by making default capacities per label to be zero. (Wangda Tan via vinodkv) YARN-2827. Fixed bugs in "yarn queue" CLI. (Wangda Tan via vinodkv). YARN-2803. MR distributed cache not working correctly on Windows after NodeManager privileged account changes. (Craig Welch via cnauroth) YARN-2753. Fixed a bunch of bugs in the NodeLabelsManager classes. (Zhihai xu via vinodkv) YARN-2825. Container leak on NM (Jian He via jlowe) YARN-2819. NPE in ATS Timeline Domains when upgrading from 2.4 to 2.6. (Zhijie Shen via xgong) YARN-2826. Fixed user-groups mappings' refresh bug caused by YARN-2826. (Wangda Tan via vinodkv) YARN-2607. Fixed issues in TestDistributedShell. (Wangda Tan via vinodkv) YARN-2830. Add backwords compatible ContainerId.newInstance constructor. (jeagles via acmurthy) YARN-2834. Fixed ResourceManager to ignore token-renewal failures on recovery consistent with the (somewhat incorrect) behaviour in the non-recovery case. (Jian He via vinodkv) YARN-2841. RMProxy should retry EOFException. (Jian He via xgong) YARN-2843. Fixed NodeLabelsManager to trim inputs for hosts and labels so as to make them work correctly. (Wangda Tan via vinodkv) YARN-2794. Fixed log messages about distributing system-credentials. (Jian He via zjshen) YARN-2846. Incorrect persist exit code for running containers in reacquireContainer() that interrupted by NodeManager restart. (Junping Du via jlowe) YARN-2853. Fixed a bug in ResourceManager causing apps to hang when the user kill request races with ApplicationMaster finish. (Jian He via vinodkv) Release 2.5.2 - 2014-11-19 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES Release 2.5.1 - 2014-09-05 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES Release 2.5.0 - 2014-08-11 INCOMPATIBLE CHANGES NEW FEATURES YARN-1757. NM Recovery. Auxiliary service support. (Jason Lowe via kasha) YARN-1864. Fair Scheduler Dynamic Hierarchical User Queues (Ashwin Shankar via Sandy Ryza) YARN-1362. Distinguish between nodemanager shutdown for decommission vs shutdown for restart. (Jason Lowe via junping_du) YARN-1338. Recover localized resource cache state upon nodemanager restart (Jason Lowe via junping_du) YARN-1368. Added core functionality of recovering container state into schedulers after ResourceManager Restart so as to preserve running work in the cluster. (Jian He via vinodkv) YARN-1702. Added kill app functionality to RM web services. (Varun Vasudev via vinodkv) YARN-1339. Recover DeletionService state upon nodemanager restart. (Jason Lowe via junping_du) YARN-1365. Changed ApplicationMasterService to allow an app to re-register after RM restart. (Anubhav Dhoot via jianhe) YARN-2052. Embedded an epoch number in container id to ensure the uniqueness of container id after RM restarts. (Tsuyoshi OZAWA via jianhe) YARN-1713. Added get-new-app and submit-app functionality to RM web services. (Varun Vasudev via vinodkv) YARN-2233. Implemented ResourceManager web-services to create, renew and cancel delegation tokens. (Varun Vasudev via vinodkv) YARN-2247. Made RM web services authenticate users via kerberos and delegation token. (Varun Vasudev via zjshen) IMPROVEMENTS YARN-1479. Invalid NaN values in Hadoop REST API JSON response (Chen He via jeagles) YARN-1736. FS: AppSchedulable.assignContainer's priority argument is redundant. (Naren Koneru via kasha) YARN-1678. Fair scheduler gabs incessantly about reservations (Sandy Ryza) YARN-1561. Fix a generic type warning in FairScheduler. (Chen He via junping_du) YARN-1429. *nix: Allow a way for users to augment classpath of YARN daemons. (Jarek Jarcec Cecho via kasha) YARN-1520. update capacity scheduler docs to include necessary parameters (Chen He via jeagles) YARN-1845. Elapsed time for failed tasks that never started is wrong (Rushabh S Shah via jeagles) YARN-1136. Replace junit.framework.Assert with org.junit.Assert (Chen He via jeagles) YARN-1889. In Fair Scheduler, avoid creating objects on each call to AppSchedulable comparator (Hong Zhiguo via Sandy Ryza) YARN-1923. Make Fair Scheduler resource ratio calculations terminate faster (Anubhav Dhoot via Sandy Ryza) YARN-1870. FileInputStream is not closed in ProcfsBasedProcessTree#constructProcessSMAPInfo. (Fengdong Yu via junping_du) YARN-1970. Prepare YARN codebase for JUnit 4.11. (cnauroth) YARN-483. Improve documentation on log aggregation in yarn-default.xml (Akira Ajisaka via Sandy Ryza) YARN-2036. Document yarn.resourcemanager.hostname in ClusterSetup (Ray Chiang via Sandy Ryza) YARN-766. TestNodeManagerShutdown in branch-2 should use Shell to form the output path and a format issue in trunk. (Contributed by Siddharth Seth) YARN-1982. Renamed the daemon name to be TimelineServer instead of History Server and deprecated the old usage. (Zhijie Shen via vinodkv) YARN-1987. Wrapper for leveldb DBIterator to aid in handling database exceptions. (Jason Lowe via kasha) YARN-1751. Improve MiniYarnCluster for log aggregation testing (Ming Ma via jlowe) YARN-1981. Nodemanager version is not updated when a node reconnects (Jason Lowe via jeagles) YARN-1938. Added kerberos login for the Timeline Server. (Zhijie Shen via vinodkv) YARN-2017. Merged some of the common scheduler code. (Jian He via vinodkv) YARN-2049. Added delegation-token support for the Timeline Server. (Zhijie Shen via vinodkv) YARN-1936. Added security support for the Timeline Client. (Zhijie Shen via vinodkv) YARN-1937. Added owner-only ACLs support for Timeline Client and server. (Zhijie Shen via vinodkv) YARN-2012. Fair Scheduler: allow default queue placement rule to take an arbitrary queue (Ashwin Shankar via Sandy Ryza) YARN-2059. Added admin ACLs support to Timeline Server. (Zhijie Shen via vinodkv) YARN-2073. Fair Scheduler: Add a utilization threshold to prevent preempting resources when cluster is free (Karthik Kambatla via Sandy Ryza) YARN-2071. Modified levelDB store permissions to be readable only by the server user. (Zhijie Shen via vinodkv) YARN-2107. Refactored timeline classes into o.a.h.y.s.timeline package. (Vinod Kumar Vavilapalli via zjshen) YARN-596. Use scheduling policies throughout the queue hierarchy to decide which containers to preempt (Wei Yan via Sandy Ryza) YARN-2054. Better defaults for YARN ZK configs for retries and retry-inteval when HA is enabled. (kasha) YARN-1877. Document yarn.resourcemanager.zk-auth and its scope. (Robert Kanter via kasha) YARN-2115. Replaced RegisterNodeManagerRequest's ContainerStatus with a new NMContainerStatus which has more information that is needed for work-preserving RM-restart. (Jian He via vinodkv) YARN-1474. Make sechedulers services. (Tsuyoshi Ozawa via kasha) YARN-1913. With Fair Scheduler, cluster can logjam when all resources are consumed by AMs (Wei Yan via Sandy Ryza) YARN-2061. Revisit logging levels in ZKRMStateStore. (Ray Chiang via kasha) YARN-1977. Add tests on getApplicationRequest with filtering start time range. (junping_du) YARN-2122. In AllocationFileLoaderService, the reloadThread should be created in init() and started in start(). (Robert Kanter via kasha) YARN-2132. ZKRMStateStore.ZKAction#runWithRetries doesn't log the exception it encounters. (Vamsee Yarlagadda via kasha) YARN-2030. Augmented RMStateStore with state machine.(Binglin Chang via jianhe) YARN-1424. RMAppAttemptImpl should return the DummyApplicationResourceUsageReport for all invalid accesses. (Ray Chiang via kasha) YARN-2091. Add more values to ContainerExitStatus and pass it from NM to RM and then to app masters (Tsuyoshi OZAWA via bikas) YARN-2125. Changed ProportionalCapacityPreemptionPolicy to log CSV in debug level. (Wangda Tan via jianhe) YARN-2159. Better logging in SchedulerNode#allocateContainer. (Ray Chiang via kasha) YARN-2191. Added a new test to ensure NM will clean up completed applications in the case of RM restart. (Wangda Tan via jianhe) YARN-2195. Clean a piece of code in ResourceRequest. (Wei Yan via devaraj) YARN-2074. Changed ResourceManager to not count AM preemptions towards app failures. (Jian He via vinodkv) YARN-2192. TestRMHA fails when run with a mix of Schedulers. (Anubhav Dhoot via kasha) YARN-2109. Fix TestRM to work with both schedulers. (Anubhav Dhoot via kasha) YARN-2072. RM/NM UIs and webservices are missing vcore information. (Nathan Roberts via tgraves) YARN-2152. Added missing information into ContainerTokenIdentifier so that NodeManagers can report the same to RM when RM restarts. (Jian He via vinodkv) YARN-2171. Improved CapacityScheduling to not lock on nodemanager-count when AMs heartbeat in. (Jason Lowe via vinodkv) YARN-614. Changed ResourceManager to not count disk failure, node loss and RM restart towards app failures. (Xuan Gong via jianhe) YARN-2224. Explicitly enable vmem check in TestContainersMonitor#testContainerKillOnMemoryOverflow. (Anubhav Dhoot via kasha) YARN-2022. Preempting an Application Master container can be kept as least priority when multiple applications are marked for preemption by ProportionalCapacityPreemptionPolicy (Sunil G via mayank) YARN-2241. ZKRMStateStore: On startup, show nicer messages if znodes already exist. (Robert Kanter via kasha) YARN-1408 Preemption caused Invalid State Event: ACQUIRED at KILLED and caused a task timeout for 30mins. (Sunil G via mayank) YARN-2300. Improved the documentation of the sample requests for RM REST API - submitting an app. (Varun Vasudev via zjshen) OPTIMIZATIONS BUG FIXES YARN-1718. Fix a couple isTerminals in Fair Scheduler queue placement rules (Sandy Ryza) YARN-1790. Fair Scheduler UI not showing apps table (bc Wong via Sandy Ryza) YARN-1784. TestContainerAllocation assumes CapacityScheduler. (Robert Kanter via kasha) YARN-1940. deleteAsUser() terminates early without deleting more files on error (Rushabh S Shah via jlowe) YARN-1865. ShellScriptBuilder does not check for some error conditions. (Remus Rusanu via ivanmi) YARN-738. TestClientRMTokens is failing irregularly while running all yarn tests (Ming Ma via jlowe) YARN-2018. TestClientRMService.testTokenRenewalWrongUser fails after HADOOP-10562 (Ming Ma via Arpit Agarwal) YARN-2011. Fix typo and warning in TestLeafQueue (Chen He via junping_du) YARN-2042. String shouldn't be compared using == in QueuePlacementRule#NestedUserQueue#getQueueForApp (Chen He via Sandy Ryza) YARN-2050. Fix LogCLIHelpers to create the correct FileContext (Ming Ma via jlowe) YARN-2089. FairScheduler: QueuePlacementPolicy and QueuePlacementRule are missing audience annotations. (Zhihai Xu via kasha) YARN-2096. Race in TestRMRestart#testQueueMetricsOnRMRestart. (Anubhav Dhoot via kasha) YARN-2105. Fix TestFairScheduler after YARN-2012. (Ashwin Shankar via Sandy Ryza) YARN-2112. Fixed yarn-common's pom.xml to include jackson dependencies so that both Timeline Server and client can access them. (Zhijie Shen via vinodkv) YARN-1868. YARN status web ui does not show correctly in IE 11. (Chuan Liu via cnauroth) YARN-2103. Inconsistency between viaProto flag and initial value of SerializedExceptionProto.Builder (Binglin Chang via junping_du) YARN-1550. NPE in FairSchedulerAppsBlock#render. (Anubhav Dhoot via kasha) YARN-2119. DEFAULT_PROXY_ADDRESS should use DEFAULT_PROXY_PORT. (Anubhav Dhoot via kasha) YARN-2118. Fixed the type mismatch in Map#containsKey check of TimelineWebServices#injectOwnerInfo. (Ted Yu via zjshen) YARN-2117. Fixed the issue that secret file reader is potentially not closed in TimelineAuthenticationFilterInitializer. (Chen He via zjshen) YARN-2121. Fixed NPE handling in Timeline Server's TimelineAuthenticator. (Zhijie Shen via vinodkv) YARN-2128. FairScheduler: Incorrect calculation of amResource usage. (Wei Yan via kasha) YARN-2124. Fixed NPE in ProportionalCapacityPreemptionPolicy. (Wangda Tan via jianhe) YARN-2148. TestNMClient failed due more exit code values added and passed to AM (Wangda Tan via bikas) YARN-2075. Fixed the test failure of TestRMAdminCLI. (Kenji Kikushima via zjshen) YARN-2155. FairScheduler: Incorrect threshold check for preemption. (Wei Yan via kasha) YARN-1885. Fixed a bug that RM may not send application-clean-up signal to NMs where the completed applications previously ran in case of RM restart. (Wangda Tan via jianhe) YARN-2167. LeveldbIterator should get closed in NMLeveldbStateStoreService#loadLocalizationState() within finally block (Junping Du via jlowe) YARN-2187. FairScheduler: Disable max-AM-share check by default. (Robert Kanter via kasha) YARN-2111. In FairScheduler.attemptScheduling, we don't count containers as assigned if they have 0 memory but non-zero cores (Sandy Ryza) YARN-2204. TestAMRestart#testAMRestartWithExistingContainers assumes CapacityScheduler. (Robert Kanter via kasha) YARN-2163. WebUI: Order of AppId in apps table should be consistent with ApplicationId.compareTo(). (Wangda Tan via raviprak) YARN-2104. Scheduler queue filter failed to work because index of queue column changed. (Wangda Tan via jlowe) YARN-2201. Made TestRMWebServicesAppsModification be independent of the changes on yarn-default.xml. (Varun Vasudev via zjshen) YARN-2216 TestRMApplicationHistoryWriter sometimes fails in trunk. (Zhijie Shen via xgong) YARN-2216 YARN-2065 AM cannot create new containers after restart (Jian He via stevel) YARN-2232. Fixed ResourceManager to allow DelegationToken owners to be able to cancel their own tokens in secure mode. (Varun Vasudev via vinodkv) YARN-2250. FairScheduler.findLowestCommonAncestorQueue returns null when queues not identical (Krisztian Horvath via Sandy Ryza) YARN-2158. Improved assertion messages of TestRMWebServicesAppsModification. (Varun Vasudev via zjshen) YARN-2269. Remove External links from YARN UI. (Craig Welch via xgong) YARN-2270. Made TestFSDownload#testDownloadPublicWithStatCache be skipped when there’s no ancestor permissions. (Akira Ajisaka via zjshen) YARN-2319. Made the MiniKdc instance start/close before/after the class of TestRMWebServicesDelegationTokens. (Wenwu Peng via zjshen) YARN-2335. Annotate all hadoop-sls APIs as @Private. (Wei Yan via kasha) YARN-1726. ResourceSchedulerWrapper broken due to AbstractYarnScheduler. (Wei Yan via kasha) YARN-2216. TestRMApplicationHistoryWriter sometimes fails in trunk. (Zhijie Shen via xgong) Release 2.4.1 - 2014-06-23 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-1892. Improved some logs in the scheduler. (Jian He via zjshen) YARN-1696. Added documentation for ResourceManager fail-over. (Karthik Kambatla, Masatake Iwasaki, Tsuyoshi OZAWA via vinodkv) YARN-1701. Improved default paths of the timeline store and the generic history store. (Tsuyoshi Ozawa via zjshen) YARN-1962. Changed Timeline Service client configuration to be off by default given the non-readiness of the feature yet. (Mohammad Kamrul Islam via vinodkv) OPTIMIZATIONS BUG FIXES YARN-1898. Made Standby RM links conf, stacks, logLevel, metrics, jmx, logs and static not be redirected to Active RM. (Xuan Gong via zjshen) YARN-1837. Fixed TestMoveApplication#testMoveRejectedByScheduler failure. (Hong Zhiguo via jianhe) YARN-1905. TestProcfsBasedProcessTree must only run on Linux. (cnauroth) YARN-1883. TestRMAdminService fails due to inconsistent entries in UserGroups (Mit Desai via jeagles) YARN-1908. Fixed DistributedShell to not fail in secure clusters. (Vinod Kumar Vavilapalli and Jian He via vinodkv) YARN-1910. Fixed a race condition in TestAMRMTokens that causes the test to fail more often on Windows. (Xuan Gong via vinodkv) YARN-1920. Fixed TestFileSystemApplicationHistoryStore failure on windows. (Vinod Kumar Vavilapalli via zjshen) YARN-1914. Fixed resource-download on NodeManagers to skip permission verification of public cache files in Windows+local file-system environment. (Varun Vasudev via vinodkv) YARN-1903. Set exit code and diagnostics when container is killed at NEW/LOCALIZING state. (Zhijie Shen via jianhe) YARN-1924. Made ZKRMStateStore updateApplication(Attempt)StateInternal work when Application(Attempt) state hasn't been stored before. (Jian He via zjshen) YARN-1926. Changed DistributedShell to use appIDs as unique identifiers for HDFS paths and thus avoid test failures on Windows. (Varun Vasudev via vinodkv) YARN-1833. TestRMAdminService Fails in trunk and branch-2 (Mit Desai via jeagles) YARN-1907. TestRMApplicationHistoryWriter#testRMWritingMassiveHistory intermittently fails. (Mit Desai via kihwal) YARN-1933. Fixed test issues with TestAMRestart and TestNodeHealthService. (Jian He via vinodkv) YARN-1928. Fixed a race condition in TestAMRMRPCNodeUpdates which caused it to fail occassionally. (Zhijie Shen via vinodkv) YARN-1934. Fixed a potential NPE in ZKRMStateStore caused by handling Disconnected event from ZK. (Karthik Kambatla via jianhe) YARN-1931. Private API change in YARN-1824 in 2.4 broke compatibility with previous releases (Sandy Ryza via tgraves) YARN-1750. TestNodeStatusUpdater#testNMRegistration is incorrect in test case. (Wangda Tan via junping_du) YARN-1947. TestRMDelegationTokens#testRMDTMasterKeyStateOnRollingMasterKey is failing intermittently. (Jian He via junping_du) YARN-1281. Fixed TestZKRMStateStoreZKClientConnections to not fail intermittently due to ZK-client timeouts. (Tsuyoshi Ozawa via vinodkv) YARN-1932. Javascript injection on the job status page (Mit Desai via jlowe) YARN-1975. Used resources shows escaped html in CapacityScheduler and FairScheduler page (Mit Desai via jlowe) YARN-1929. Fixed a deadlock in ResourceManager that occurs when failover happens right at the time of shutdown. (Karthik Kambatla via vinodkv) YARN-1201. TestAMAuthorization fails with local hostname cannot be resolved. (Wangda Tan via junping_du) YARN-1861. Fixed a bug in RM to reset leader-election on fencing that was causing both RMs to be stuck in standby mode when automatic failover is enabled. (Karthik Kambatla and Xuan Gong via vinodkv) YARN-1957. Consider the max capacity of the queue when computing the ideal capacity for preemption. (Carlo Curino via cdouglas) YARN-1986. In Fifo Scheduler, node heartbeat in between creating app and attempt causes NPE (Hong Zhiguo via Sandy Ryza) YARN-1976. Fix yarn application CLI to print the scheme of the tracking url of failed/killed applications. (Junping Du via jianhe) YARN-2016. Fix a bug in GetApplicationsRequestPBImpl to add the missed fields to proto. (Junping Du via jianhe) YARN-2053. Fixed a bug in AMS to not add null NMToken into NMTokens list from previous attempts for work-preserving AM restart. (Wangda Tan via jianhe) YARN-2066. Wrong field is referenced in GetApplicationsRequestPBImpl#mergeLocalToBuilder() (Hong Zhiguo via junping_du) YARN-2081. Fixed TestDistributedShell failure after YARN-1962. (Zhiguo Hong via zjshen) Release 2.4.0 - 2014-04-07 INCOMPATIBLE CHANGES NEW FEATURES YARN-930. Bootstrapping ApplicationHistoryService module. (vinodkv) YARN-947. Implementing the data objects to be used by the History reader and writer interfaces. (Zhijie Shen via vinodkv) YARN-934. Defined a Writer Interface for HistoryStorage. (Zhijie Shen via vinodkv) YARN-925. Defined a Reader Interface for HistoryStorage. (Mayank Bansal via vinodkv) YARN-978. Created ApplicationAttemptReport. (Mayank Bansal via vinodkv) YARN-956. Added a testable in-memory HistoryStorage. (Mayank Bansal via vinodkv) YARN-975. Added a file-system implementation for HistoryStorage. (Zhijie Shen via vinodkv) YARN-1123. Added a new ContainerReport and its Protobuf implementation. (Mayank Bansal via vinodkv) YARN-979. Added more APIs for getting information about ApplicationAttempts and Containers from ApplicationHistoryProtocol. (Mayank Bansal and Zhijie Shen via vinodkv) YARN-953. Changed ResourceManager to start writing history data. (Zhijie Shen via vinodkv) YARN-1266. Implemented PB service and client wrappers for ApplicationHistoryProtocol. (Mayank Bansal via vinodkv) YARN-955. Implemented ApplicationHistoryProtocol handler. (Mayank Bansal via vinodkv) YARN-1242. Changed yarn scripts to be able to start ApplicationHistoryServer as an individual process. (Mayank Bansal via vinodkv) YARN-954. Implemented web UI for the ApplicationHistoryServer and wired it into the HistoryStorage. (Zhijie Shen via vinodkv) YARN-967. Added the client and CLI interfaces for obtaining ApplicationHistory data. (Mayank Bansal via vinodkv) YARN-1023. Added Webservices REST APIs support for Application History. (Zhijie Shen via vinodkv) YARN-1413. Implemented serving of aggregated-logs in the ApplicationHistory server. (Mayank Bansal via vinodkv) YARN-1633. Defined user-facing entity, entity-info and event objects related to Application Timeline feature. (Zhijie Shen via vinodkv) YARN-1611. Introduced the concept of a configuration provider which can be used by ResourceManager to read configuration locally or from remote systems so as to help RM failover. (Xuan Gong via vinodkv) YARN-1659. Defined the ApplicationTimelineStore store as an abstraction for implementing different storage impls for storing timeline information. (Billie Rinaldi via vinodkv) YARN-1634. Added a testable in-memory implementation of ApplicationTimelineStore. (Zhijie Shen via vinodkv) YARN-1461. Added tags for YARN applications and changed RM to handle them. (Karthik Kambatla via zjshen) YARN-1636. Augmented Application-history server's web-services to also expose new APIs for retrieving and storing timeline information. (Zhijie Shen via vinodkv) YARN-1490. Introduced the ability to make ResourceManager optionally not kill all containers when an ApplicationMaster exits. (Jian He via vinodkv) YARN-1041. Added the ApplicationMasterProtocol API for applications to use the ability in ResourceManager to optionally not kill containers when the ApplicationMaster exits. (Jian He via vinodkv) YARN-1566. Changed Distributed Shell to retain containers across application attempts. (Jian He via vinodkv) YARN-1635. Implemented a Leveldb based ApplicationTimelineStore. (Billie Rinaldi via zjshen) YARN-1637. Implemented a client library for Java users to post timeline entities and events. (zjshen) YARN-1496. Protocol additions to allow moving apps between queues (Sandy Ryza) YARN-1498. Common scheduler changes for moving apps between queues (Sandy Ryza) YARN-1504. RM changes for moving apps between queues (Sandy Ryza) YARN-1499. Fair Scheduler changes for moving apps between queues (Sandy Ryza) YARN-1497. Command line additions for moving apps between queues (Sandy Ryza) YARN-1588. Enhanced RM and the scheduling protocol to also send NMTokens of transferred containers from previous app-attempts to new AMs after YARN-1490. (Jian He via vinodkv) YARN-1717. Enabled periodically discarding old data in LeveldbTimelineStore. (Billie Rinaldi via zjshen) YARN-1690. Made DistributedShell send timeline entities+events. (Mayank Bansal via zjshen) YARN-1775. Enhanced ProcfsBasedProcessTree to optionally add the ability to use smaps for obtaining used memory information. (Rajesh Balamohan via vinodkv) YARN-1838. Enhanced timeline service getEntities API to get entities from a given entity ID or insertion timestamp. (Billie Rinaldi via zjshen) IMPROVEMENTS YARN-1007. Enhance History Reader interface for Containers. (Mayank Bansal via devaraj) YARN-974. Added more information to RMContainer to be collected and recorded in Application-History. (Zhijie Shen via vinodkv) YARN-987. Added ApplicationHistoryManager responsible for exposing reports to all clients. (Mayank Bansal via vinodkv) YARN-1630. Introduce timeout for async polling operations in YarnClientImpl (Aditya Acharya via Sandy Ryza) YARN-1617. Remove ancient comment and surround LOG.debug in AppSchedulingInfo.allocate (Sandy Ryza) YARN-1639. Modified RM HA configuration handling to have a way of not requiring separate configuration files for each RM. (Xuan Gong via vinodkv) YARN-1668. Modified RM HA handling of admin-acls to be available across RM failover by making using of a remote configuration-provider. (Xuan Gong via vinodkv) YARN-1667. Modified RM HA handling of super users (with proxying ability) to be available across RM failover by making using of a remote configuration-provider. (Xuan Gong via vinodkv) YARN-1285. Changed the default value of yarn.acl.enable in yarn-default.xml to be consistent with what exists (false) in the code and documentation. (Kenji Kikushima via vinodkv) YARN-1669. Modified RM HA handling of protocol level service-ACLS to be available across RM failover by making using of a remote configuration-provider. (Xuan Gong via vinodkv) YARN-1665. Simplify the configuration of RM HA by having better default values. (Xuan Gong via vinodkv) YARN-1660. Simplified the RM HA configuration to accept and be able to simply depend just on configuration properties of the form yarn.resourcemanager.hostname.RMID and use the default ports for all service addresses. (Xuan Gong via vinodkv) YARN-1493. Changed ResourceManager and Scheduler interfacing to recognize app-attempts separately from apps. (Jian He via vinodkv) YARN-1459. Changed ResourceManager to depend its service initialization on the configuration-provider mechanism during startup too. (Xuan Gong via vinodkv) YARN-1706. Created an utility method to dump timeline records to JSON strings. (zjshen) YARN-1641. ZK store should attempt a write periodically to ensure it is still Active. (kasha) YARN-1531. True up yarn command documentation (Akira Ajisaka via kasha) YARN-1345. Remove FINAL_SAVING state from YarnApplicationAttemptState (Zhijie Shen via jianhe) YARN-1676. Modified RM HA handling of user-to-group mappings to be available across RM failover by making using of a remote configuration-provider. (Xuan Gong via vinodkv) YARN-1666. Modified RM HA handling of include/exclude node-lists to be available across RM failover by making using of a remote configuration-provider. (Xuan Gong via vinodkv) YARN-1171. Add default queue properties to Fair Scheduler documentation (Naren Koneru via Sandy Ryza) YARN-1470. Add audience annotations to MiniYARNCluster. (Anubhav Dhoot via kasha) YARN-1732. Changed types of related-entities and primary-filters in the timeline-service to be sets instead of maps. (Billie Rinaldi via vinodkv) YARN-1687. Renamed user-facing records for the timeline-service to be simply named after 'timeline' instead of 'apptimeline'. (Zhijie Shen via vinodkv) YARN-1749. Updated application-history related configs to reflect the latest reality and to be consistently named. (Zhijie Shen via vinodkv) YARN-1301. Added the INFO level log of the non-empty blacklist additions and removals inside ApplicationMasterService. (Tsuyoshi Ozawa via zjshen) YARN-1528. Allow setting auth for ZK connections. (kasha) YARN-1704. Modified LICENSE and NOTICE files to reflect newly used levelDB related libraries. (Billie Rinaldi via vinodkv) YARN-1765. Added test cases to verify that killApplication API works across ResourceManager failover. (Xuan Gong via vinodkv) YARN-1730. Implemented simple write-locking in the LevelDB based timeline- store. (Billie Rinaldi via vinodkv) YARN-986. Changed client side to be able to figure out the right RM Delegation token for the right ResourceManager when HA is enabled. (Karthik Kambatla via vinodkv) YARN-1761. Modified RMAdmin CLI to check whether HA is enabled or not before it executes any of the HA admin related commands. (Xuan Gong via vinodkv) YARN-1780. Improved logging in the Timeline client and server. (Zhijie Shen via vinodkv) YARN-1525. Web UI should redirect to active RM when HA is enabled. (Cindy Li via kasha) YARN-1781. Modified NodeManagers to allow admins to specify max disk utilization for local disks so as to be able to offline full disks. (Varun Vasudev via vinodkv) YARN-1410. Added tests to validate that clients can fail-over to a new RM after getting an application-ID but before submission and can still submit to the newly active RM with no issues. (Xuan Gong via vinodkv) YARN-1764. Modified YarnClient to correctly handle failover of ResourceManager after the submitApplication call goes through. (Xuan Gong via vinodkv) YARN-1389. Made ApplicationClientProtocol and ApplicationHistoryProtocol expose analogous getApplication(s)/Attempt(s)/Container(s) APIs. (Mayank Bansal via zjshen) YARN-1658. Modified web-app framework to let standby RMs redirect web-service calls to the active RM. (Cindy Li via vinodkv) YARN-1824. Improved NodeManager and clients to be able to handle cross platform application submissions. (Jian He via vinodkv) YARN-1512. Enhanced CapacityScheduler to be able to decouple scheduling from node-heartbeats. (Arun C Murthy via vinodkv) YARN-1570. Fixed formatting of the lines in YarnCommands.apt.vm docs source. (Akira Ajisaka via vinodkv) YARN-1536. Cleanup: Get rid of ResourceManager#get*SecretManager() methods and use the RMContext methods instead. (Anubhav Dhoot via kasha) YARN-1850. Introduced the ability to optionally disable sending out timeline- events in the TimelineClient. (Zhijie Shen via vinodkv) YARN-1452. Added documentation about the configuration and usage of generic application history and the timeline data service. (Zhijie Shen via vinodkv) YARN-1891. Added documentation for NodeManager health-monitoring. (Varun Vasudev via vinodkv) YARN-1017. Added documentation for ResourceManager Restart.(jianhe) OPTIMIZATIONS YARN-1771. Reduce the number of NameNode operations during localization of public resources using a cache. (Sangjin Lee via cdouglas) BUG FIXES YARN-935. Correcting pom.xml to build applicationhistoryserver module successfully. (Zhijie Shen via vinodkv) YARN-962. Fixed bug in application-history proto file and renamed it be just a client proto file. (Zhijie Shen via vinodkv) YARN-984. Renamed the incorrectly named applicationhistoryservice.records.pb.impl package to be applicationhistoryservice.records.impl.pb. (Devaraj K via vinodkv) YARN-1534. Fixed failure of test TestAHSWebApp. (Shinichi Yamashita via vinodkv) YARN-1555. Fixed test failures in applicationhistoryservice.* (Vinod Kumar Vavilapalli via mayank) YARN-1594. Updated pom.xml of applicationhistoryservice sub-project according to YARN-888. (Vinod Kumar Vavilapalli via zjshen) YARN-1596. Fixed Javadoc warnings on branch YARN-321. (Vinod Kumar Vavilapalli via zjshen) YARN-1597. Fixed Findbugs warnings on branch YARN-321. (Vinod Kumar Vavilapalli via zjshen) YARN-1595. Made enabling history service configurable and fixed test failures on branch YARN-321. (Vinod Kumar Vavilapalli via zjshen) YARN-1605. Fixed formatting issues in the new module on branch YARN-321. (Vinod Kumar Vavilapalli via zjshen) YARN-1625. Fixed RAT warnings after YARN-321 merge. (Shinichi Yamashita via vinodkv) YARN-1613. Fixed the typo with the configuration name YARN_HISTORY_SERVICE_ENABLED. (Akira Ajisaka via vinodkv) YARN-1618. Fix invalid RMApp transition from NEW to FINAL_SAVING (kasha) YARN-1600. RM does not startup when security is enabled without spnego configured (Haohui Mai via jlowe) YARN-1642. RMDTRenewer#getRMClient should use ClientRMProxy (kasha) YARN-1632. TestApplicationMasterServices should be under org.apache.hadoop.yarn.server.resourcemanager package (Chen He via jeagles) YARN-1673. Fix option parsing in YARN's application CLI after it is broken by YARN-967. (Mayank Bansal via vinodkv) YARN-1684. Fixed history server heap size in yarn script. (Billie Rinaldi via zjshen) YARN-1166. Fixed app-specific and attempt-specific QueueMetrics to be triggered by accordingly app event and attempt event. YARN-1689. Made RMAppAttempt get killed when RMApp is at ACCEPTED. (Vinod Kumar Vavilapalli via zjshen) YARN-1661. Fixed DS ApplicationMaster to write the correct exit log. (Vinod Kumar Vavilapalli via zjshen) YARN-1672. YarnConfiguration is missing a default for yarn.nodemanager.log.retain-seconds (Naren Koneru via kasha) YARN-1698. Fixed default TimelineStore in code to match what is documented in yarn-default.xml (Zhijie Shen via vinodkv) YARN-1697. NodeManager reports negative running containers (Sandy Ryza) YARN-1719. Fixed the root path related Jersey warnings produced in ATSWebServices. (Billie Rinaldi via zjshen) YARN-1692. ConcurrentModificationException in fair scheduler AppSchedulable (Sangjin Lee via Sandy Ryza) YARN-1578. Fixed reading incomplete application attempt and container data in FileSystemApplicationHistoryStore. (Shinichi Yamashita via zjshen) YARN-1417. Modified RM to generate container-tokens not at creation time, but at allocation time so as to prevent RM from shelling out containers with expired tokens. (Omkar Vinit Joshi and Jian He via vinodkv) YARN-1553. Modified YARN and MR to stop using HttpConfig.isSecure() and instead rely on the http policy framework. And also fix some bugs related to https handling in YARN web-apps. (Haohui Mai via vinodkv) YARN-1721. When moving app between queues in Fair Scheduler, grab lock on FSSchedulerApp (Sandy Ryza) YARN-1724. Race condition in Fair Scheduler when continuous scheduling is turned on (Sandy Ryza) YARN-1590. Fixed ResourceManager, web-app proxy and MR JobHistoryServer to expand _HOST properly in their kerberos principles. (Mohammad Kamrul Islam va vinodkv) YARN-1428. Fixed RM to write the final state of RMApp/RMAppAttempt to the application history store in the transition to the final state. (Contributed by Zhijie Shen) YARN-713. Fixed ResourceManager to not crash while building tokens when DNS issues happen transmittently. (Jian He via vinodkv) YARN-1398. Fixed a deadlock in ResourceManager between users requesting queue-acls and completing containers. (vinodkv) YARN-1071. Enabled ResourceManager to recover cluster metrics numDecommissionedNMs after restarting. (Jian He via zjshen) YARN-1742. Fixed javadoc of configuration parameter DEFAULT_NM_MIN_HEALTHY_DISKS_FRACTION. (Akira Ajisaka via vinodkv) YARN-1686. Fixed NodeManager to properly handle any errors during re-registration after a RESYNC and thus avoid hanging. (Rohith Sharma via vinodkv) YARN-1734. Fixed ResourceManager to update the configurations when it transits from standby to active mode so as to assimilate any changes that happened while it was in standby mode. (Xuan Gong via vinodkv) YARN-1760. TestRMAdminService assumes CapacityScheduler. (kasha) YARN-1758. Fixed ResourceManager to not mandate the presence of site specific configuration files and thus fix failures in downstream tests. (Xuan Gong via vinodkv) YARN-1748. Excluded core-site.xml from hadoop-yarn-server-tests package's jar and thus avoid breaking downstream tests. (Sravya Tirukkovalur via vinodkv) YARN-1729. Made TimelineWebServices deserialize the string primary- and secondary-filters param into the JSON-compatible object. (Billie Rinaldi via zjshen) YARN-1766. Fixed a bug in ResourceManager to use configuration loaded from the configuration-provider when booting up. (Xuan Gong via vinodkv) YARN-1768. Fixed error message being too verbose when killing a non-existent application. (Tsuyoshi OZAWA via raviprak) YARN-1774. FS: Submitting to non-leaf queue throws NPE. (Anubhav Dhoot and Karthik Kambatla via kasha) YARN-1783. Fixed a bug in NodeManager's status-updater that was losing completed container statuses when NodeManager is forced to resync by the ResourceManager. (Jian He via vinodkv) YARN-1787. Fixed help messages for applicationattempt and container sub-commands in bin/yarn. (Zhijie Shen via vinodkv) YARN-1793. Fixed ClientRMService#forceKillApplication not killing unmanaged application. (Karthik Kambatla via jianhe) YARN-1788. Fixed a bug in ResourceManager to set the apps-completed and apps-killed metrics correctly for killed applications. (Varun Vasudev via vinodkv) YARN-1821. NPE on registerNodeManager if the request has containers for UnmanagedAMs. (kasha) YARN-1800. Fixed NodeManager to gracefully handle RejectedExecutionException in the public-localizer thread-pool. (Varun Vasudev via vinodkv) YARN-1444. Fix CapacityScheduler to deal with cases where applications specify host/rack requests without off-switch request. (Wangda Tan via acmurthy) YARN-1812. Fixed ResourceManager to synchrously renew tokens after recovery and thus recover app itself synchronously and avoid races with resyncing NodeManagers. (Jian He via vinodkv) YARN-1816. Fixed ResourceManager to get RMApp correctly handle ATTEMPT_FINISHED event at ACCEPTED state that can happen after RM restarts. (Jian He via vinodkv) YARN-1789. ApplicationSummary does not escape newlines in the app name (Tsuyoshi OZAWA via jlowe) YARN-1830. Fixed TestRMRestart#testQueueMetricsOnRMRestart failure due to race condition when app is submitted. (Zhijie Shen via jianhe) YARN-1685. Fixed few bugs related to handling of containers' log-URLs on ResourceManager and history-service. (Zhijie Shen via vinodkv) YARN-1206. Fixed AM container log to show on NM web page after application finishes if log-aggregation is disabled. (Rohith Sharmaks via jianhe) YARN-1591. Fixed AsyncDispatcher to handle interrupts on shutdown in a sane manner and thus fix failure of TestResourceTrackerService. (Tsuyoshi Ozawa via vinodkv) YARN-1839. Fixed handling of NMTokens in ResourceManager such that containers launched by AMs running on the same machine as the AM are correctly propagated. (Jian He via vinodkv) YARN-1640. Fixed manual failover of ResourceManagers to work correctly in secure clusters. (Xuan Gong via vinodkv) YARN-1855. Made Application-history server to be optional in MiniYARNCluster and thus avoid the failure of TestRMFailover#testRMWebAppRedirect. (Zhijie Shen via vinodkv) YARN-1859. Fixed WebAppProxyServlet to correctly handle applications absent on the ResourceManager. (Zhijie Shen via vinodkv) YARN-1811. Fixed AMFilters in YARN to correctly accept requests from either web-app proxy or the RMs when HA is enabled. (Robert Kanter via vinodkv) YARN-1670. Fixed a bug in log-aggregation that can cause the writer to write more log-data than the log-length that it records. (Mit Desai via vinodk) YARN-1849. Fixed NPE in ResourceTrackerService#registerNodeManager for UAM (Karthik Kambatla via jianhe ) YARN-1863. Fixed test failure in TestRMFailover after YARN-1859. (Xuan Gong via vinodkv) YARN-1854. Fixed test failure in TestRMHA#testStartAndTransitions. (Rohith Sharma KS via vinodkv) YARN-1776. Fixed DelegationToken renewal to survive RM failover. (Zhijie Shen via jianhe) YARN-1577. Made UnmanagedAMLauncher do launchAM after the attempt reaches the LAUNCHED state. (Jian He via zjshen) YARN-1785. FairScheduler treats app lookup failures as ERRORs. (bc Wong via kasha) YARN-1752. Fixed ApplicationMasterService to reject unregister request if AM did not register before. (Rohith Sharma via jianhe) YARN-1846. TestRM#testNMTokenSentForNormalContainer assumes CapacityScheduler. (Robert Kanter via kasha) YARN-1705. Reset cluster-metrics on transition to standby. (Rohith via kasha) YARN-1852. Fixed RMAppAttempt to not resend AttemptFailed/AttemptKilled events to already recovered Failed/Killed RMApps. (Rohith via jianhe) YARN-1866. Fixed an issue with renewal of RM-delegation tokens on restart or fail-over. (Jian He via vinodkv) YARN-1867. Fixed a bug in ResourceManager that was causing invalid ACL checks in the web-services after fail-over. (Vinod Kumar Vavilapalli) YARN-1521. Mark Idempotent/AtMostOnce annotations to the APIs in ApplicationClientProtcol, ResourceManagerAdministrationProtocol and ResourceTrackerProtocol so that they work in HA scenario. (Xuan Gong via jianhe) YARN-1873. Fixed TestDistributedShell failure when the test cases are out of order. (Mit Desai via zjshen) YARN-1893. Mark AtMostOnce annotation to ApplicationMasterProtocol#allocate. (Xuan Gong via jianhe) Release 2.3.1 - UNRELEASED INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES Release 2.3.0 - 2014-02-18 INCOMPATIBLE CHANGES NEW FEATURES YARN-649. Added a new NM web-service to serve container logs in plain text over HTTP. (Sandy Ryza via vinodkv) YARN-1021. Yarn Scheduler Load Simulator. (ywskycn via tucu) YARN-1010. FairScheduler: decouple container scheduling from nodemanager heartbeats. (Wei Yan via Sandy Ryza) YARN-1253. Changes to LinuxContainerExecutor to run containers as a single dedicated user in non-secure mode. (rvs via tucu) YARN-1027. Implement RMHAProtocolService (Karthik Kambatla via bikas) YARN-1068. Add admin support for HA operations (Karthik Kambatla via bikas) YARN-311. RM/scheduler support for dynamic resource configuration. (Junping Du via llu) YARN-1392. Allow sophisticated app-to-queue placement policies in the Fair Scheduler (Sandy Ryza) YARN-1447. Common PB type definitions for container resizing. (Wangda Tan via Sandy Ryza) YARN-1448. AM-RM protocol changes to support container resizing (Wangda Tan via Sandy Ryza) YARN-312. Introduced ResourceManagerAdministrationProtocol changes to support changing resources on node. (Junping Du via vinodkv) YARN-1028. Added FailoverProxyProvider capability to ResourceManager to help with RM failover. (Karthik Kambatla via vinodkv) YARN-1029. Added embedded leader election in the ResourceManager. (Karthik Kambatla via vinodkv) YARN-1033. Expose RM active/standby state to Web UI and REST API (kasha) IMPROVEMENTS YARN-305. Fair scheduler logs too many "Node offered to app" messages. (Lohit Vijayarenu via Sandy Ryza) YARN-1258. Allow configuring the Fair Scheduler root queue (Sandy Ryza) YARN-1288. Make Fair Scheduler ACLs more user friendly (Sandy Ryza) YARN-1315. TestQueueACLs should also test FairScheduler (Sandy Ryza) YARN-1335. Move duplicate code from FSSchedulerApp and FiCaSchedulerApp into SchedulerApplication (Sandy Ryza) YARN-1333. Support blacklisting in the Fair Scheduler (Tsuyoshi Ozawa via Sandy Ryza) YARN-1109. Demote NodeManager "Sending out status for container" logs to debug (haosdent via Sandy Ryza) YARN-1321. Changed NMTokenCache to support both singleton and an instance usage. (Alejandro Abdelnur via vinodkv) YARN-1388. Fair Scheduler page always displays blank fair share (Liyin Liang via Sandy Ryza) YARN-7. Support CPU resource for DistributedShell. (Junping Du via llu) YARN-905. Add state filters to nodes CLI (Wei Yan via Sandy Ryza) YARN-1098. Separate out RM services into Always On and Active (Karthik Kambatla via bikas) YARN-353. Add Zookeeper-based store implementation for RMStateStore. (Bikas Saha, Jian He and Karthik Kambatla via hitesh) YARN-819. ResourceManager and NodeManager should check for a minimum allowed version (Robert Parker via jeagles) YARN-425. coverage fix for yarn api (Aleksey Gorshkov via jeagles) YARN-1199. Make NM/RM Versions Available (Mit Desai via jeagles) YARN-1232. Configuration to support multiple RMs (Karthik Kambatla via bikas) YARN-465. fix coverage org.apache.hadoop.yarn.server.webproxy (Aleksey Gorshkov and Andrey Klochkov via jlowe) YARN-976. Document the meaning of a virtual core. (Sandy Ryza) YARN-1182. MiniYARNCluster creates and inits the RM/NM only on start() (Karthik Kambatla via Sandy Ryza) HADOOP-9598. Improve code coverage of RMAdminCLI (Aleksey Gorshkov and Andrey Klochkov via jeagles) YARN-1306. Clean up hadoop-sls sample-conf according to YARN-1228 (Wei Yan via Sandy Ryza) YARN-891. Modified ResourceManager state-store to remember completed applications so that clients can get information about them post RM-restart. (Jian He via vinodkv) YARN-1290. Let continuous scheduling achieve more balanced task assignment (Wei Yan via Sandy Ryza) YARN-786. Expose application resource usage in RM REST API (Sandy Ryza) YARN-1323. Set HTTPS webapp address along with other RPC addresses in HAUtil (Karthik Kambatla via Sandy Ryza) YARN-1121. Changed ResourceManager's state-store to drain all events on shut-down. (Jian He via vinodkv) YARN-1387. RMWebServices should use ClientRMService for filtering applications (Karthik Kambatla via Sandy Ryza) YARN-1222. Make improvements in ZKRMStateStore for fencing (Karthik Kambatla via bikas) YARN-709. Added tests to verify validity of delegation tokens and logging of appsummary after RM restart. (Jian He via vinodkv) YARN-1210. Changed RM to start new app-attempts on RM restart only after ensuring that previous AM exited or after expiry time. (Omkar Vinit Joshi via vinodkv) YARN-674. Fixed ResourceManager to renew DelegationTokens on submission asynchronously to work around potential slowness in state-store. (Omkar Vinit Joshi via vinodkv) YARN-584. In scheduler web UIs, queues unexpand on refresh. (Harshit Daga via Sandy Ryza) YARN-1303. Fixed DistributedShell to not fail with multiple commands separated by a semi-colon as shell-command. (Xuan Gong via vinodkv) YARN-1423. Support queue placement by secondary group in the Fair Scheduler (Ted Malaska via Sandy Ryza) YARN-1314. Fixed DistributedShell to not fail with multiple arguments for a shell command separated by spaces. (Xuan Gong via vinodkv) YARN-1239. Modified ResourceManager state-store implementations to start storing version numbers. (Jian He via vinodkv) YARN-1241. In Fair Scheduler, maxRunningApps does not work for non-leaf queues. (Sandy Ryza) YARN-1318. Promoted AdminService to an Always-On service and merged it into RMHAProtocolService. (Karthik Kambatla via vinodkv) YARN-1332. In TestAMRMClient, replace assertTrue with assertEquals where possible (Sebastian Wong via Sandy Ryza) YARN-1403. Separate out configuration loading from QueueManager in the Fair Scheduler (Sandy Ryza) YARN-1181. Augment MiniYARNCluster to support HA mode (Karthik Kambatla) YARN-546. Allow disabling the Fair Scheduler event log (Sandy Ryza) YARN-807. When querying apps by queue, iterating over all apps is inefficient and limiting (Sandy Ryza) YARN-1378. Implemented a cleaner of old finished applications from the RM state-store. (Jian He via vinodkv) YARN-1481. Move internal services logic from AdminService to ResourceManager. (vinodkv via kasha) YARN-1491. Upgrade JUnit3 TestCase to JUnit 4 (Chen He via jeagles) YARN-408. Change CapacityScheduler to not disable delay-scheduling by default. (Mayank Bansal via vinodkv) YARN-1325. Modified RM HA configuration validation to also ensure that multiple RMs are configured. (Xuan Gong via vinodkv) YARN-1311. Fixed app specific scheduler-events' names to be app-attempt based. (vinodkv via jianhe) YARN-1485. Modified RM HA configuration validation to also ensure that service-address configuration are configured for every RM. (Xuan Gong via vinodkv) YARN-1435. Modified Distributed Shell to accept either the command or the custom script. (Xuan Gong via zjshen) YARN-1446. Changed client API to retry killing application till RM acknowledges so as to account for RM crashes/failover. (Jian He via vinodkv) YARN-1307. Redesign znode structure for Zookeeper based RM state-store for better organization and scalability. (Tsuyoshi OZAWA via vinodkv) YARN-1172. Convert SecretManagers in RM to services (Tsuyoshi OZAWA via kasha) YARN-1523. Use StandbyException instead of RMNotYetReadyException (kasha) YARN-1541. Changed ResourceManager to invalidate ApplicationMaster host/port information once an AM crashes. (Jian He via vinodkv) YARN-1482. Modified WebApplicationProxy to make it work across ResourceManager fail-over. (Xuan Gong via vinodkv) YARN-1568. Rename clusterid to clusterId in ActiveRMInfoProto (kasha) YARN-1579. ActiveRMInfoProto fields should be optional (kasha) YARN-888. Cleaned up POM files so that non-leaf modules don't include any dependencies and thus compact the dependency list for leaf modules. (Alejandro Abdelnur via vinodkv) YARN-1567. In Fair Scheduler, allow empty queues to change between leaf and parent on allocation file reload (Sandy Ryza) YARN-1616. RMFatalEventDispatcher should log the cause of the event (kasha) YARN-1624. QueuePlacementPolicy format is not easily readable via a JAXB parser (Aditya Acharya via Sandy Ryza) YARN-1623. Include queue name in RegisterApplicationMasterResponse (Sandy Ryza) YARN-1573. ZK store should use a private password for root-node-acls. (kasha). OPTIMIZATIONS BUG FIXES YARN-1284. LCE: Race condition leaves dangling cgroups entries for killed containers. (Alejandro Abdelnur via Sandy Ryza) YARN-1283. Fixed RM to give a fully-qualified proxy URL for an application so that clients don't need to do scheme-mangling. (Omkar Vinit Joshi via vinodkv) YARN-879. Fixed tests w.r.t o.a.h.y.server.resourcemanager.Application. (Junping Du via devaraj) YARN-1265. Fair Scheduler chokes on unhealthy node reconnect (Sandy Ryza) YARN-1044. used/min/max resources do not display info in the scheduler page (Sangjin Lee via Sandy Ryza) YARN-1259. In Fair Scheduler web UI, queue num pending and num active apps switched. (Robert Kanter via Sandy Ryza) YARN-1295. In UnixLocalWrapperScriptBuilder, using bash -c can cause Text file busy errors (Sandy Ryza) YARN-1185. Fixed FileSystemRMStateStore to not leave partial files that prevent subsequent ResourceManager recovery. (Omkar Vinit Joshi via vinodkv) YARN-1331. yarn.cmd exits with NoClassDefFoundError trying to run rmadmin or logs. (cnauroth) YARN-1330. Fair Scheduler: defaultQueueSchedulingPolicy does not take effect (Sandy Ryza) YARN-1022. Unnecessary INFO logs in AMRMClientAsync (haosdent via bikas) YARN-1349. yarn.cmd does not support passthrough to any arbitrary class. (cnauroth) YARN-1357. TestContainerLaunch.testContainerEnvVariables fails on Windows. (Chuan Liu via cnauroth) YARN-1358. TestYarnCLI fails on Windows due to line endings. (Chuan Liu via cnauroth) YARN-1343. NodeManagers additions/restarts are not reported as node updates in AllocateResponse responses to AMs. (tucu) YARN-1381. Same relaxLocality appears twice in exception message of AMRMClientImpl#checkLocalityRelaxationConflict() (Ted Yu via Sandy Ryza) YARN-1407. RM Web UI and REST APIs should uniformly use YarnApplicationState (Sandy Ryza) YARN-1438. Ensure container diagnostics includes exception from container launch. (stevel via acmurthy) YARN-1138. yarn.application.classpath is set to point to $HADOOP_CONF_DIR etc., which does not work on Windows. (Chuan Liu via cnauroth) YARN-461. Fair scheduler should not accept apps with empty string queue name. (ywskycn via tucu) YARN-1060. Two tests in TestFairScheduler are missing @Test annotation (Niranjan Singh via Sandy Ryza) YARN-1188. The context of QueueMetrics becomes default when using FairScheduler (Tsuyoshi Ozawa via Sandy Ryza) YARN-1268. TestFairScheduler.testContinuousScheduling is flaky (Sandy Ryza) YARN-1300. SLS tests fail because conf puts YARN properties in fair-scheduler.xml (Ted Yu via Sandy Ryza) YARN-1183. MiniYARNCluster shutdown takes several minutes intermittently (Andrey Klochkov via jeagles) YARN-1305. RMHAProtocolService#serviceInit should handle HAUtil's IllegalArgumentException (Tsuyoshi Ozawa via bikas) YARN-1374. Changed ResourceManager to start the preemption policy monitors as active services. (Karthik Kambatla via vinodkv) YARN-1395. Distributed shell application master launched with debug flag can hang waiting for external ls process. (cnauroth) YARN-1400. yarn.cmd uses HADOOP_RESOURCEMANAGER_OPTS. Should be YARN_RESOURCEMANAGER_OPTS. (Raja Aluri via cnauroth) YARN-1401. With zero sleep-delay-before-sigkill.ms, no signal is ever sent (Gera Shegalov via Sandy Ryza) YARN-1411. HA config shouldn't affect NodeManager RPC addresses (Karthik Kambatla via bikas) YARN-1419. TestFifoScheduler.testAppAttemptMetrics fails intermittently under jdk7 (Jonathan Eagles via jlowe) YARN-744. Race condition in ApplicationMasterService.allocate .. It might process same allocate request twice resulting in additional containers getting allocated. (Omkar Vinit Joshi via bikas) YARN-1425. TestRMRestart fails because MockRM.waitForState(AttemptId) uses current attempt instead of the attempt passed as argument (Omkar Vinit Joshi via bikas) YARN-1053. Diagnostic message from ContainerExitEvent is ignored in ContainerImpl (Omkar Vinit Joshi via bikas) YARN-1320. Fixed Distributed Shell application to respect custom log4j properties file. (Xuan Gong via vinodkv) YARN-1416. Fixed a few invalid transitions in RMApp, RMAppAttempt and in some tests. (Jian He via vinodkv) YARN-895. Changed RM state-store to not crash immediately if RM restarts while the state-store is down. (Jian He via vinodkv) YARN-1454. Fixed test failure issue with TestRMRestart. (Karthik Kambatla via vinodkv) YARN-1450. Fixed test failure in TestUnmanagedAMLauncher by removing its dependency on distributed-shell. (Binglin Chang via vinodkv) YARN-1405. Fixed ResourceManager to not hang when init/start fails with an exception w.r.t state-store. (Jian He via vinodkv) YARN-1505. Fixed Webapplication proxy server to not hardcode its bind address. (Xuan Gong via vinodkv) YARN-1145. Fixed a potential file-handle leak in the web interface for displaying aggregated logs. (Rohith Sharma via vinodkv) YARN-1451. TestResourceManager relies on the scheduler assigning multiple containers in a single node update. (Sandy Ryza via kasha) YARN-1527. Fix yarn rmadmin command to print the correct usage info. (Akira AJISAKA via jianhe) YARN-1522. Fixed a race condition in the test TestApplicationCleanup that was causing it to randomly fail. (Liyin Liang via vinodkv) YARN-1549. Fixed a bug in ResourceManager's ApplicationMasterService that was causing unamanged AMs to not finish correctly. (haosdent via vinodkv) YARN-1559. Race between ServerRMProxy and ClientRMProxy setting RMProxy#INSTANCE. (kasha and vinodkv via kasha) YARN-1560. Fixed TestYarnClient#testAMMRTokens failure with null AMRM token. (Ted Yu via jianhe) YARN-1409. NonAggregatingLogHandler can throw RejectedExecutionException (Tsuyoshi OZAWA via jlowe) YARN-1293. Fixed TestContainerLaunch#testInvalidEnvSyntaxDiagnostics failure caused by non-English system locale. (Tsuyoshi OZAWA via jianhe) YARN-1574. RMDispatcher should be reset on transition to standby. (Xuan Gong via kasha) YARN-1598. HA-related rmadmin commands don't work on a secure cluster (kasha) YARN-1603. Remove two *.orig files which were unexpectedly committed. (Zhijie Shen via junping_du) YARN-1601. 3rd party JARs are missing from hadoop-dist output. (tucu) YARN-1351. Invalid string format in Fair Scheduler log warn message (Konstantin Weitz via Sandy Ryza) YARN-1608. LinuxContainerExecutor has a few DEBUG messages at INFO level (kasha) YARN-1606. Fix the default value of yarn.resourcemanager.zk-timeout-ms in yarn-default.xml (kasha) YARN-1607. TestRM relies on the scheduler assigning multiple containers in a single node update (Sandy Ryza) YARN-1575. Public localizer crashes with "Localized unkown resource" (jlowe) YARN-1629. IndexOutOfBoundsException in MaxRunningAppsEnforcer (Sandy Ryza) YARN-1628. Fixed the test failure in TestContainerManagerSecurity. (Vinod Kumar Vavilapalli via zjshen) Release 2.2.0 - 2013-10-13 INCOMPATIBLE CHANGES YARN-1229. Define constraints on Auxiliary Service names. Change ShuffleHandler service name from mapreduce.shuffle to mapreduce_shuffle (Xuan Gong via sseth) NEW FEATURES IMPROVEMENTS YARN-1246. Added application finish-status to ApplicationSummary for the sake of testing given ApplicationHistoryServer is not yet ready. (Arpit Gupta via vinodkv) YARN-899. Added back queue level administrator-acls so that there is no regression w.r.t 1.x. (Xuan Gong via vinodkv) YARN-1228. Clean up Fair Scheduler configuration loading. (Sandy Ryza) YARN-1213. Restore config to ban submitting to undeclared pools in the Fair Scheduler. (Sandy Ryza) YARN-1277. Added a policy based configuration for http/https in common HttpServer and using the same in YARN - related to per project https config support via HADOOP-10022. (Suresh Srinivas and Omkar Vinit Joshi via vinodkv) OPTIMIZATIONS BUG FIXES YARN-1128. FifoPolicy.computeShares throws NPE on empty list of Schedulables (Karthik Kambatla via Sandy Ryza) YARN-1214. Register ClientToken MasterKey in SecretManager after it is saved (Jian He via bikas) YARN-49. Improve distributed shell application to work on a secure cluster. (Vinod Kumar Vavilapalli via hitesh) YARN-1157. Fixed ResourceManager UI to behave correctly when apps like distributed-shell do not set tracking urls. (Xuan Gong via vinodkv) YARN-1221. With Fair Scheduler, reserved MB reported in RM web UI increases indefinitely (Siqi Li via Sandy Ryza) YARN-1247. test-container-executor has gotten out of sync with the changes to container-executor. (rvs via tucu) YARN-1070. Fixed race conditions in NodeManager during container-kill. (Zhijie Shen via vinodkv) YARN-1215. Yarn URL should include userinfo. (Chuan Liu via cnauroth) YARN-1262. TestApplicationCleanup relies on all containers assigned in a single heartbeat (Karthik Kambatla via Sandy Ryza) YARN-1260. Added webapp.http.address to yarn-default.xml so that default install with https enabled doesn't have broken link on NM UI. (Omkar Vinit Joshi via vinodkv) YARN-1141. Updating resource requests should be decoupled with updating blacklist (Zhijie Shen via bikas) YARN-876. Node resource is added twice when node comes back from unhealthy to healthy. (Peng Zhang via Sandy Ryza) YARN-890. Ensure CapacityScheduler doesn't round-up metric for available resources. (Xuan Gong & Hitesh Shah via acmurthy) YARN-621. Changed YARN web app to not add paths that can cause duplicate additions of authenticated filters there by causing kerberos replay errors. (Omkar Vinit Joshi via vinodkv) YARN-1236. FairScheduler setting queue name in RMApp is not working. (Sandy Ryza) YARN-1256. NM silently ignores non-existent service in StartContainerRequest (Xuan Gong via bikas) YARN-1149. NM throws InvalidStateTransitonException: Invalid event: APPLICATION_LOG_HANDLING_FINISHED at RUNNING (Xuan Gong via hitesh) YARN-1271. "Text file busy" errors launching containers again (Sandy Ryza) YARN-1131. $yarn logs command should return an appropriate error message if YARN application is still running. (Siddharth Seth via hitesh) YARN-1219. FSDownload changes file suffix making FileUtil.unTar() throw exception. (Shanyu Zhao via cnauroth) YARN-1251. TestDistributedShell#TestDSShell failed with timeout. (Xuan Gong via hitesh) YARN-1167. Fixed Distributed Shell to not incorrectly show empty hostname on RM UI. (Xuan Gong via vinodkv) YARN-1254. Fixed NodeManager to not pollute container's credentials. (Omkar Vinit Joshi via vinodkv) YARN-1273. Fixed Distributed-shell to account for containers that failed to start. (Hitesh Shah via vinodkv) YARN-1032. Fixed NPE in RackResolver. (Lohit Vijayarenu via acmurthy) YARN-1090. Fixed CS UI to better reflect applications as non-schedulable and not as pending. (Jian He via acmurthy) YARN-1274. Fixed NodeManager's LinuxContainerExecutor to create user, app-dir and log-dirs correctly even when there are no resources to localize for the container. (Siddharth Seth via vinodkv) YARN-1278. Fixed NodeManager to not delete local resources for apps on resync command from RM - a bug caused by YARN-1149. (Hitesh Shah via vinodkv) YARN-1463. Tests should avoid starting http-server where possible or creates spnego keytab/principals (vinodkv via kasha) Release 2.1.1-beta - 2013-09-23 INCOMPATIBLE CHANGES YARN-707. Added user information also in the YARN ClientToken so that AMs can implement authorization based on incoming users. (Jason Lowe via vinodkv) YARN-1170. YARN & MapReduce proto definitions fixed to specify protobuf package as hadoop.yarn and hadoop.mapreduce respectively. (Binglin Chang via acmurthy) NEW FEATURES IMPROVEMENTS YARN-589. Expose a REST API for monitoring the fair scheduler (Sandy Ryza). YARN-1074. Cleaned up YARN CLI application list to only display running applications by default. (Xuan Gong via vinodkv) YARN-1093. Corrections to Fair Scheduler documentation (Wing Yew Poon via Sandy Ryza) YARN-942. In Fair Scheduler documentation, inconsistency on which properties have prefix (Akira Ajisaka via Sandy Ryza) YARN-1083. Changed ResourceManager to fail when the expiry interval is less than the configured node-heartbeat interval. (Zhijie Shen via vinodkv) YARN-1081. Made a trivial change to YARN node CLI header to avoid potential confusion. (Akira AJISAKA via vinodkv) YARN-1034. Remove "experimental" in the Fair Scheduler documentation. (Karthik Kambatla via Sandy Ryza) YARN-1080. Improved help message for "yarn logs" command. (Xuan Gong via vinodkv) YARN-771. AMRMClient support for resource blacklisting (Junping Du via bikas) YARN-1117. Improved help messages for "yarn application" and "yarn node" commands. (Xuan Gong via vinodkv) YARN-1120. Made ApplicationConstants.Environment.USER definition OS neutral as the corresponding value is now set correctly end-to-end. (Chuan Liu via vinodkv) YARN-1124. Modified YARN CLI application list to display new and submitted applications together with running apps by default, following up YARN-1074. (Xuan Gong via vinodkv) YARN-1065. NM should provide AuxillaryService data to the container (Xuan Gong via bikas) YARN-758. Augment MockNM to use multiple cores (Karthik Kambatla via Sandy Ryza) YARN-696. Changed RMWebservice apps call to take in multiple application states. (Trevor Lorimer via vinodkv) YARN-910. Augmented auxiliary services to listen for container starts and completions in addition to application events. (Alejandro Abdelnur via vinodkv) YARN-1137. Add support whitelist for system users to Yarn container-executor.c. (rvs via tucu) YARN-1001. Added a web-service to get statistics about per application-type per state for consumption by downstream projects. (Zhijie Shen via vinodkv) YARN-1203. Changed YARN web-app proxy to handle http and https URLs from AM registration and finish correctly. (Omkar Vinit Joshi via vinodkv) YARN-1204. Added separate configuration properties for https for RM and NM without which servers enabled with https will also start on http ports. (Omkar Vinit Joshi via vinodkv) OPTIMIZATIONS BUG FIXES YARN-948. Changed ResourceManager to validate the release container list before actually releasing them. (Omkar Vinit Joshi via vinodkv) YARN-966. Fixed ContainerLaunch to not fail quietly when there are no localized resources due to some other failure. (Zhijie Shen via vinodkv) YARN-502. Fixed a state machine issue with RMNode inside ResourceManager which was crashing scheduler. (Mayank Bansal via vinodkv) YARN-573. Shared data structures in Public Localizer and Private Localizer are not Thread safe. (Omkar Vinit Joshi via jlowe) YARN-903. Changed ContainerManager to suppress unnecessary warnings when stopping already stopped containers. (Omkar Vinit Joshi via vinodkv) YARN-906. Fixed a bug in NodeManager where cancelling ContainerLaunch at KILLING state causes that the container to hang. (Zhijie Shen via vinodkv) YARN-994. HeartBeat thread in AMRMClientAsync does not handle runtime exception correctly (Xuan Gong via bikas) YARN-337. RM handles killed application tracking URL poorly (jlowe) YARN-107. Fixed ResourceManager and clients to better handle forceKillApplication on non-running and finished applications. (Xuan Gong via vinodkv) YARN-643. Fixed ResourceManager to remove all tokens consistently on app finish. (Xuan Gong via vinodkv) YARN-1006. Fixed broken rendering in the Nodes list web page on the RM web UI. (Xuan Gong via vinodkv) YARN-881. Priority#compareTo method seems to be wrong. (Jian He via bikas) YARN-1082. Create base directories on HDFS after RM login to ensure RM recovery doesn't fail in secure mode. (vinodkv via acmurthy) YARN-1085. Modified YARN and MR2 web-apps to do HTTP authentication in secure setup with kerberos. (Omkar Vinit Joshi via vinodkv) YARN-1094. Fixed a blocker with RM restart code because of which RM crashes when try to recover an existing app. (vinodkv) YARN-1008. MiniYARNCluster with multiple nodemanagers, all nodes have same key for allocations. (tucu) YARN-981. Fixed YARN webapp so that /logs servlet works like before. (Jian He via vinodkv) YARN-602. Fixed NodeManager to not let users override some mandatory environmental variables. (Kenji Kikushima via vinodkv) YARN-1101. Active nodes can be decremented below 0 (Robert Parker via tgraves) YARN-1077. Fixed TestContainerLaunch test failure on Windows. (Chuan Liu via vinodkv) YARN-957. Fixed a bug in CapacityScheduler because of which requests that need more than a node's total capability were incorrectly allocated on that node causing apps to hang. (Omkar Vinit Joshi via vinodkv) YARN-1107. Fixed a bug in ResourceManager because of which RM in secure mode fails to restart. (Omkar Vinit Joshi via vinodkv) YARN-1049. ContainerExistStatus should define a status for preempted containers. (tucu) YARN-1144. Unmanaged AMs registering a tracking URI should not be proxy-fied. (tucu) YARN-1152. Fixed a bug in ResourceManager that was causing clients to get invalid client token key errors when an appliation is about to finish. (Jason Lowe via vinodkv) YARN-292. Fixed FifoScheduler and FairScheduler to make their applications data structures thread safe to avoid RM crashing with ArrayIndexOutOfBoundsException. (Zhijie Shen via vinodkv) YARN-1025. ResourceManager and NodeManager do not load native libraries on Windows. (cnauroth) YARN-1176. RM web services ClusterMetricsInfo total nodes doesn't include unhealthy nodes (Jonathan Eagles via tgraves) YARN-1078. TestNodeManagerResync, TestNodeManagerShutdown, and TestNodeStatusUpdater fail on Windows. (Chuan Liu via cnauroth) YARN-1194. TestContainerLogsPage fails with native builds (Roman Shaposhnik via jlowe) YARN-1116. Populate AMRMTokens back to AMRMTokenSecretManager after RM restarts (Jian He via bikas) YARN-1189. NMTokenSecretManagerInNM is not being told when applications have finished (Omkar Vinit Joshi via jlowe) YARN-540. Race condition causing RM to potentially relaunch already unregistered AMs on RM restart (Jian He via bikas) YARN-1184. ClassCastException during preemption enforcement. (cdouglas) Release 2.1.0-beta - 2013-08-22 INCOMPATIBLE CHANGES YARN-396. Rationalize AllocateResponse in RM Scheduler API. (Zhijie Shen via hitesh) YARN-439. Flatten NodeHeartbeatResponse. (Xuan Gong via sseth) YARN-440. Flatten RegisterNodeManagerResponse. (Xuan Gong via sseth) YARN-536. Removed the unused objects ContainerStatus and ContainerStatus from Container which also don't belong to the container. (Xuan Gong via vinodkv) YARN-486. Changed NM's startContainer API to accept Container record given by RM as a direct parameter instead of as part of the ContainerLaunchContext record. (Xuan Gong via vinodkv) YARN-444. Moved special container exit codes from YarnConfiguration to API where they belong. (Sandy Ryza via vinodkv) YARN-441. Removed unused utility methods for collections from two API records. (Xuan Gong via vinodkv) YARN-561. Modified NodeManager to set key information into the environment of every container that it launches. (Xuan Gong via vinodkv) YARN-579. Stop setting the Application Token in the AppMaster env, in favour of the copy present in the container token field. (Vinod Kumar Vavilapalli via sseth) YARN-629. Make YarnRemoteException not be rooted at IOException. (Xuan Gong via vinodkv) YARN-633. Changed RMAdminProtocol api to throw IOException and YarnRemoteException. (Xuan Gong via vinodkv) YARN-632. Changed ContainerManager api to throw IOException and YarnRemoteException. (Xuan Gong via vinodkv) YARN-631. Changed ClientRMProtocol api to throw IOException and YarnRemoteException. (Xuan Gong via vinodkv) YARN-630. Changed AMRMProtocol api to throw IOException and YarnRemoteException. (Xuan Gong via vinodkv) YARN-615. Rename ContainerLaunchContext.containerTokens to tokens. (Vinod Kumar Vavilapalli via sseth) YARN-571. Remove user from ContainerLaunchContext. (Omkar Vinit Joshi via vinodkv) YARN-716. Making ApplicationID immutable. (Siddharth Seth via vinodkv) YARN-684. ContainerManager.startContainer should use ContainerTokenIdentifier instead of the entire Container. (Vinod Kumar Vavilapalli via sseth) YARN-735. Make ApplicationAttemptId, ContaienrId and NodeId immutable. (Jian He via sseth) YARN-749. Rename ResourceRequest.(get,set)HostName to ResourceRequest.(get,set)ResourceName. (acmurthy) YARN-720. container-log4j.properties should not refer to mapreduce property names. (Zhijie Shen via sseth) YARN-748. Moved BuilderUtils from yarn-common to yarn-server-common for eventual retirement. (Jian He via vinodkv) YARN-635. Renamed YarnRemoteException to YarnException. (Siddharth Seth via vinodkv) YARN-755. Renamed AllocateResponse.reboot to AllocateResponse.resync. (Bikas Saha via vinodkv) YARN-753. Added individual factory methods for all api protocol records and converted the records to be abstract classes. (Jian He via vinodkv) YARN-724. Moved ProtoBase from api.records to api.records.impl.pb. (Jian He via vinodkv) YARN-759. Create Command enum in AllocateResponse (bikas) YARN-777. Removed unreferenced objects from .proto files. (Jian He via vinodkv) YARN-642. Removed health parameter from ResourceManager /nodes web-service and cleaned the behaviour of the status parameter. (Sandy Ryza vid vinodkv) YARN-530. Defined Service model strictly, implemented AbstractService for robust subclassing and migrated yarn-common services. (Steve Loughran via vinodkv) YARN-746. Renamed Service.register() and Service.unregister() to registerServiceListener() & unregisterServiceListener() respectively. (Steve Loughran via vinodkv) YARN-792. Moved NodeHealthStatus from yarn.api.record to yarn.server.api.record. (Jian He via vinodkv) YARN-806. Moved ContainerExitStatus from yarn.api to yarn.api.records. (Jian He via vinodkv) YARN-821. Renamed setFinishApplicationStatus to setFinalApplicationStatus in FinishApplicationMasterRequest for consistency. (Jian He via vinodkv) YARN-787. Removed minimum resource from RegisterApplicationMasterResponse. (tucu via acmurthy) YARN-829. Renamed RMTokenSelector to be RMDelegationTokenSelector. (Zhijie Shen via vinodkv) YARN-828. Removed the unsed YarnVersionAnnotation. (Zhijie Shen via vinodkv) YARN-823. Moved RMAdmin from yarn.client to yarn.client.cli and renamed it to be RMAdminCLI. (Jian He via vinodkv) YARN-387. Renamed YARN protocols for consistency. ClientRMProtocol -> ApplicationClientProtocol AMRMProtocol -> ApplicationMasterProtocol ContainerManager -> ContainerManagementProtocol (vinodkv via acmurthy) YARN-831. Removed minimum resource from GetNewApplicationResponse as a follow-up to YARN-787. (Jian He via acmurthy) YARN-824. Added static factory methods to hadoop-yarn-client interfaces. (Jian He via acmurthy) YARN-826. Moved Clock and SystemClock into yarn.util package. (Zhijie Shen via vinodkv) YARN-837. Moved yarn.ClusterInfo into MapReduce project as it doesn't belong to YARN. (Zhijie Shen via vinodkv) YARN-822. Renamed ApplicationToken to be AMRMToken, and similarly the corresponding TokenSelector and SecretManager. (Omkar Vinit Joshi via vinodkv) YARN-610. ClientToken is no longer set in the environment of the Containers. (Omkar Vinit Joshi via vinodkv) YARN-834. Fixed annotations for yarn-client module, reorganized packages and clearly differentiated *Async apis. (Arun C Murthy and Zhijie Shen via vinodkv) YARN-840. Moved ProtoUtils to yarn.api.records.pb.impl. (Jian He via acmurthy) YARN-841. Move Auxiliary service to yarn-api, annotate and document it. (vinodkv) YARN-850. Rename getClusterAvailableResources to getAvailableResources in AMRMClients (Jian He via bikas) YARN-694. Starting to use NMTokens to authenticate all communication with NodeManagers. (Omkar Vinit Joshi via vinodkv) YARN-553. Replaced YarnClient.getNewApplication with YarnClient.createApplication which provides a directly usable ApplicationSubmissionContext to simplify the api. (Karthik Kambatla via acmurthy) YARN-851. Share NMTokens using NMTokenCache (api-based) between AMRMClient and NMClient instead of memory based approach which is used currently. (Omkar Vinit Joshi via vinodkv) YARN-869. Move ResourceManagerAdministrationProtocol out of main YARN api. (vinodkv via acmurthy) YARN-791. Changed RM APIs and web-services related to nodes to ensure that both are consistent with each other. (Sandy Ryza via vinodkv) YARN-727. ClientRMProtocol.getAllApplications should accept ApplicationType as a parameter. (Xuan Gong via hitesh) YARN-701. Use application tokens irrespective of secure or non-secure mode. (vinodkv via acmurthy) YARN-918. Remove ApplicationAttemptId from RegisterApplicationMasterRequestProto. (vinodkv via acmurthy) YARN-926. Modified ContainerManagerProtcol APIs to take in requests for multiple containers. (Jian He via vinodkv) NEW FEATURES YARN-482. FS: Extend SchedulingMode to intermediate queues. (kkambatl via tucu) YARN-45. Add protocol for schedulers to request containers back from ApplicationMasters. (Carlo Curino, cdouglas) YARN-563. Add the concept of an application-type for each application. (Mayank Bansal via vinodkv) HADOOP-8562. Enhancements to support Hadoop on Windows Server and Windows Azure environments. (See breakdown of tasks below for subtasks and contributors) YARN-422. Add a NM Client library to help application-writers. (Zhijie Shen via vinodkv) YARN-392. Make it possible to specify hard locality constraints in resource requests. (sandyr via tucu) YARN-326. Add multi-resource scheduling to the fair scheduler. (sandyr via tucu) YARN-398. Make it possible to specify hard locality constraints in resource requests for CapacityScheduler. (acmurthy) YARN-781. Exposing LOGDIR in all containers' environment which should be used by containers for logging purposes. (Jian He via vinodkv) IMPROVEMENTS YARN-347. Node CLI should show CPU info besides memory in node status. (Junping Du via llu) YARN-365. Change NM heartbeat handling to not generate a scheduler event on each heartbeat. (Xuan Gong via sseth) YARN-380. Fix yarn node -status output to be better readable. (Omkar Vinit Joshi via vinodkv) YARN-410. Fixed RM UI so that the new lines diagnostics for a failed app on the per-application page are translated to html line breaks. (Omkar Vinit Joshi via vinodkv) YARN-198. Added a link to RM pages from the NodeManager web app. (Jian He via vinodkv) YARN-237. Refreshing the RM page forgets how many rows I had in my Datatables (jian he via bobby) YARN-481. Add AM Host and RPC Port to ApplicationCLI Status Output (Chris Riccomini via bikas) YARN-297. Improve hashCode implementations for PB records. (Xuan Gong via hitesh) YARN-417. Create AMRMClient wrapper that provides asynchronous callbacks. (Sandy Ryza via bikas) YARN-497. Yarn unmanaged-am launcher jar does not define a main class in its manifest (Hitesh Shah via bikas) YARN-469. Make scheduling mode in FS pluggable. (kkambatl via tucu) YARN-450. Define value for * in the scheduling protocol (Zhijie Shen via bikas) YARN-475. Remove a unused constant in the public API - ApplicationConstants.AM_APP_ATTEMPT_ID_ENV. (Hitesh Shah via vinodkv) YARN-309. Changed NodeManager to obtain heart-beat interval from the ResourceManager. (Xuan Gong via vinodkv) YARN-447. Move ApplicationComparator in CapacityScheduler to use comparator in ApplicationId. (Nemon Lou via vinodkv) YARN-381. Improve fair scheduler docs. (Sandy Ryza via tomwhite) YARN-458. YARN daemon addresses must be placed in many different configs. (sandyr via tucu) YARN-193. Scheduler.normalizeRequest does not account for allocation requests that exceed maximumAllocation limits (Zhijie Shen via bikas) YARN-479. NM retry behavior for connection to RM should be similar for lost heartbeats (Jian He via bikas) YARN-495. Changed NM reboot behaviour to be a simple resync - kill all containers and re-register with RM. (Jian He via vinodkv) YARN-514. Delayed store operations should not result in RM unavailability for app submission (Zhijie Shen via bikas) YARN-586. Fixed a typo in ApplicationSubmissionContext#setApplicationId. (Zhijie Shen via vinodkv) YARN-542. Changed the default global AM max-attempts value to be not one. (Zhijie Shen via vinodkv) YARN-583. Moved application level local resources to be localized under the filecache sub-directory under application directory. (Omkar Vinit Joshi via vinodkv) YARN-581. Added a test to verify that app delegation tokens are restored after RM restart. (Jian He via vinodkv) YARN-577. Add application-progress also to ApplicationReport. (Hitesh Shah via vinodkv) YARN-595. Refactor fair scheduler to use common Resources. (Sandy Ryza via tomwhite) YARN-562. Modified NM to reject any containers allocated by a previous ResourceManager. (Jian He via vinodkv) YARN-591. Moved RM recovery related records out of public API as they do not belong there. (vinodkv) YARN-599. Refactoring submitApplication in ClientRMService and RMAppManager to separate out various validation checks depending on whether they rely on RM configuration or not. (Zhijie Shen via vinodkv) YARN-618. Modified RM_INVALID_IDENTIFIER to be -1 instead of zero. (Jian He via vinodkv) YARN-625. Move the utility method unwrapAndThrowException from YarnRemoteExceptionPBImpl to RPCUtil. (Siddharth Seth via vinodkv) YARN-645. Moved RMDelegationTokenSecretManager from yarn-server-common to yarn-server-resourcemanager where it really belongs. (Jian He via vinodkv) YARN-651. Changed PBClientImpls of ContainerManager and RMAdmin to throw IOExceptions also. (Xuan Gong via vinodkv) YARN-582. Changed ResourceManager to recover Application token and client tokens for app attempt so that RM can be restarted while preserving current applications. (Jian He via vinodkv) YARN-568. Add support for work preserving preemption to the FairScheduler. (Carlo Curino and Sandy Ryza via cdouglas) YARN-598. Add virtual cores to queue metrics. (sandyr via tucu) YARN-634. Modified YarnRemoteException to be not backed by PB and introduced a separate SerializedException record. (Siddharth Seth via vinodkv) YARN-663. Changed ResourceTracker API and LocalizationProtocol API to throw YarnRemoteException and IOException. (Xuan Gong via vinodkv) YARN-590. Added an optional mesage to be returned by ResourceMaanger when RM asks an RM to shutdown/resync etc so that NMs can log this message locally for better debuggability. (Mayank Bansal via vinodkv) YARN-617. Made ContainerTokens to be used for validation at NodeManager also in unsecure mode to prevent AMs from faking resource requirements in unsecure mode. (Omkar Vinit Joshi via vinodkv) YARN-708. Moved RecordFactory classes to hadoop-yarn-api, and put some miscellaneous fixes to the interfaces. (Siddharth Seth via vinodkv) YARN-711. Copied BuilderUtil methods in individual API records as BuilderUtils is going to be dismantled. (Jian He via vinodkv) YARN-714. Added NMTokens to be sent to AMs as part of heart-beat response. (Omkar Vinit Joshi via vinodkv) YARN-638. Modified ResourceManager to restore RMDelegationTokens after restarting. (Jian He via vinodkv) YARN-660. Improve AMRMClient with matching requests (bikas) YARN-717. Put object creation factories for Token in the class itself and remove useless derivations for specific tokens. (Jian He via vinodkv) YARN-756. Move Preemption* records to yarn.api where they really belong. (Jian He via vinodkv) YARN-750. Allow for black-listing resources in YARN API and Impl in CS (acmurthy via bikas) YARN-877. Support resource blacklisting for FifoScheduler. (Junping Du via llu) YARN-686. Flatten NodeReport. (sandyr via tucu) YARN-737. Throw some specific exceptions directly instead of wrapping them in YarnException. (Jian He via sseth) YARN-731. RPCUtil.unwrapAndThrowException should unwrap remote RuntimeExceptions. (Zhijie Shen via sseth) YARN-600. Hook up cgroups CPU settings to the number of virtual cores allocated. (sandyr via tucu) YARN-648. FS: Add documentation for pluggable policy. (kkambatl via tucu) YARN-773. Moved YarnRuntimeException from package api.yarn to api.yarn.exceptions. (Jian He via vinodkv) YARN-692. Creating NMToken master key on RM and sharing it with NM as a part of RM-NM heartbeat. (Omkar Vinit Joshi via vinodkv) YARN-782. vcores-pcores ratio functions differently from vmem-pmem ratio in misleading way. (sandyr via tucu) YARN-803. factor out scheduler config validation from the ResourceManager to each scheduler implementation. (tucu) YARN-789. Enable zero capabilities resource requests in fair scheduler. (tucu) YARN-639. Modified Distributed Shell application to start using the new NMClient library. (Zhijie Shen via vinodkv) YARN-693. Modified RM to send NMTokens on allocate call so that AMs can then use them for authentication with NMs. (Omkar Vinit Joshi via vinodkv) YARN-752. In AMRMClient, automatically add corresponding rack requests for requested nodes. (sandyr via tucu) YARN-825. Fixed javadoc and annotations for yarn-common module. (vinodkv) YARN-833. Moved Graph and VisualizeStateMachine into yarn.state package. (Zhijie Shen via vinodkv) YARN-805. Fix javadoc and annotations on classes in the yarn-api package. (Jian He via sseth) YARN-846. Move pb Impl classes from yarn-api to yarn-common. (Jian He via vinodkv) YARN-827. Need to make Resource arithmetic methods accessible (Jian He via bikas) YARN-866. Add test for class ResourceWeights. (ywskycn via tucu) YARN-736. Add a multi-resource fair sharing metric. (sandyr via tucu) YARN-883. Expose Fair Scheduler-specific queue metrics. (sandyr via tucu) YARN-569. Add support for requesting and enforcing preemption requests via a capacity monitor. (Carlo Curino, cdouglas) YARN-521. Augment AM - RM client module to be able to request containers only at specific locations (Sandy Ryza via bikas) YARN-513. Create common proxy client for communicating with RM. (Xuan Gong & Jian He via bikas) YARN-927. Change ContainerRequest to not have more than 1 container count and remove StoreContainerRequest (bikas) YARN-922. Change FileSystemRMStateStore to use directories (Jian He via bikas) YARN-865. RM webservices can't query based on application Types. (Xuan Gong via hitesh) YARN-912. Move client facing exceptions to yarn-api module. (Mayank Bansal via vinodkv) YARN-84. Use Builder to build RPC server. (Brandon Li via szetszwo) YARN-1046. Disable mem monitoring by default in MiniYARNCluster. (Karthik Kambatla via Sandy Ryza) YARN-1045. Improve toString implementation for PBImpls. (Jian He via sseth) OPTIMIZATIONS YARN-512. Log aggregation root directory check is more expensive than it needs to be. (Maysam Yabandeh via jlowe) YARN-719. Move RMIdentifier from Container to ContainerTokenIdentifier. (Vinod Kumar Vavilapalli via sseth) BUG FIXES YARN-383. AMRMClientImpl should handle null rmClient in stop() (Hitesh Shah via sseth) YARN-385. Add missing fields - location and #containers to ResourceRequestPBImpl's toString(). (Sandy Ryza via sseth) YARN-377. Use the new StringUtils methods added by HADOOP-9252 and fix TestContainersMonitor. (Chris Nauroth via szetszwo) YARN-391. Formatting fixes for LCEResourceHandler classes. (Steve Loughran via sseth) YARN-390. ApplicationCLI and NodeCLI hard-coded platform-specific line separator causes test failures on Windows. (Chris Nauroth via suresh) YARN-406. Fix TestRackResolver to function in networks where "host1" resolves to a valid host. (Hitesh Shah via sseth) YARN-376. Fixes a bug which would prevent the NM knowing about completed containers and applications. (Jason Lowe via sseth) YARN-196. Nodemanager should be more robust in handling connection failure to ResourceManager when a cluster is started (Xuan Gong via hitesh) YARN-485. TestProcfsProcessTree#testProcessTree() doesn't wait long enough for the process to die. (kkambatl via tucu) YARN-71. Fix the NodeManager to clean up local-dirs on restart. (Xuan Gong via sseth) YARN-378. Fix RM to make the AM max attempts/retries to be configurable per application by clients. (Zhijie Shen via vinodkv) YARN-498. Unmanaged AM launcher does not set various constants in env for an AM, also does not handle failed AMs properly. (Hitesh Shah via bikas) YARN-496. Fair scheduler configs are refreshed inconsistently in reinitialize. (Sandy Ryza via tomwhite) YARN-474. Fix CapacityScheduler to trigger application-activation when am-resource-percent configuration is refreshed. (Zhijie Shen via vinodkv) YARN-209. Fix CapacityScheduler to trigger application-activation when the cluster capacity changes. (Zhijie Shen via vinodkv) YARN-24. Nodemanager fails to start if log aggregation enabled and namenode unavailable. (sandyr via tucu) YARN-515. Node Manager not getting the master key. (Robert Joseph Evans via jlowe) YARN-382. SchedulerUtils improve way normalizeRequest sets the resource capabilities. (Zhijie Shen via bikas) YARN-467. Modify public distributed cache to localize files such that no local directory hits unix file count limits and thus prevent job failures. (Omkar Vinit Joshi via vinodkv) YARN-101. Fix NodeManager heartbeat processing to not lose track of completed containers in case of dropped heartbeats. (Xuan Gong via vinodkv) YARN-538. RM address DNS lookup can cause unnecessary slowness on every JHS page load. (sandyr via tucu) YARN-532. Change RMAdmin and Localization client protocol PB implementations to implement closeable so that they can be stopped when needed via RPC.stopProxy(). (Siddharth Seth via vinodkv) YARN-99. Modify private distributed cache to localize files such that no local directory hits unix file count limits and thus prevent job failures. (Omkar Vinit Joshi via vinodkv) YARN-112. Fixed a race condition during localization that fails containers. (Omkar Vinit Joshi via vinodkv) YARN-534. Change RM restart recovery to also account for AM max-attempts configuration after the restart. (Jian He via vinodkv) YARN-539. Addressed memory leak of LocalResource objects NM when a resource localization fails. (Omkar Vinit Joshi via vinodkv) YARN-319. Submitting a job to a fair scheduler queue for which the user does not have permission causes the client to wait forever. (shenhong via tomwhite) YARN-412. Fixed FifoScheduler to check hostname of a NodeManager rather than its host:port during scheduling which caused incorrect locality for containers. (Roger Hoover via acmurthy) YARN-500. Fixed YARN webapps to not roll-over ports when explicitly asked to use non-ephemeral ports. (Kenji Kikushima via vinodkv) YARN-518. Fair Scheduler's document link could be added to the hadoop 2.x main doc page. (sandyr via tucu) YARN-476. ProcfsBasedProcessTree info message confuses users. (sandyr via tucu) YARN-585. Fix failure in TestFairScheduler#testNotAllowSubmitApplication caused by YARN-514. (Zhijie Shen via vinodkv) YARN-547. Fixed race conditions in public and private resource localization which used to cause duplicate downloads. (Omkar Vinit Joshi via vinodkv) YARN-594. Update test and add comments in YARN-534 (Jian He via bikas) YARN-549. YarnClient.submitApplication should wait for application to be accepted by the RM (Zhijie Shen via bikas) YARN-605. Fix failing unit test in TestNMWebServices when versionInfo has parantheses like when running on a git checkout. (Hitesh Shah via vinodkv) YARN-289. Fair scheduler allows reservations that won't fit on node. (Sandy Ryza via tomwhite) YARN-576. Modified ResourceManager to reject NodeManagers that don't satisy minimum resource requirements. (Kenji Kikushima via vinodkv) YARN-646. Fix two typos in Fair Scheduler user guide. (Dapeng Sun via atm) YARN-507. Add interface visibility and stability annotations to FS interfaces/classes. (kkambatl via tucu) YARN-637. FS: maxAssign is not honored. (kkambatl via tucu) YARN-655. Fair scheduler metrics should subtract allocated memory from available memory. (sandyr via tucu) YARN-628. Fix the way YarnRemoteException is being unrolled to extract out the underlying exception. (Siddharth Seth via vinodkv) YARN-695. Remove masterContainer and status unused fields from ApplicationReportProto and fix bugs in ApplicationReportPBImpl. (Zhijie Shen via vinodkv) YARN-706. Fixed race conditions in TestFSDownload. (Zhijie Shen via vinodkv). YARN-715. Fixed unit test failures - TestDistributedShell and TestUnmanagedAMLauncher. (Vinod Kumar Vavilapalli via sseth) YARN-578. Fixed NM to use SecureIOUtils for reading and aggregating logs. (Omkar Vinit Joshi via vinodkv) YARN-733. Fixed TestNMClient from failing occasionally. (Zhijie Shen via vinodkv) YARN-730. Fix NMClientAsync to remove completed containers. (Zhijie Shen via acmurthy) YARN-726. Fix queue & finish time fields in web-ui for ResourceManager. (Mayank Bansal via acmurthy) YARN-757. Changed TestRMRestart to use the default scheduler to avoid test failures. (Bikas Saha via vinodkv) YARN-742. Log aggregation causes a lot of redundant setPermission calls. (jlowe via kihwal) YARN-764. blank Used Resources on Capacity Scheduler page (Nemon Lou via tgraves) YARN-761. TestNMClientAsync fails sometimes (Zhijie Shen via bikas) YARN-760. NodeManager throws AvroRuntimeException on failed start. (Niranjan Singh via jlowe) YARN-767. Initialize application metrics at RM bootup. (Jian He via acmurthy) YARN-700. TestInfoBlock fails on Windows because of line ending missmatch. (Ivan Mitic via cnauroth) YARN-117. Migrated rest of YARN to the new service model. (Steve Louhran via vinodkv) YARN-812. Set default logger for application summary logger to hadoop.root.logger. (sseth via acmurthy) YARN-848. Nodemanager does not register with RM using the fully qualified hostname. (Hitesh Shah via sseth) YARN-854. Fixing YARN bugs that are failing applications in secure environment. (Omkar Vinit Joshi via vinodkv) YARN-861. TestContainerManager is failing. (Vinod Kumar Vavilapalli via hitesh) YARN-874. Making common RPC to switch to not switch to simple when other mechanisms are enabled and thus fix YARN/MR test failures after HADOOP-9421. (Daryn Sharp and Vinod Kumar Vavilapalli via vinodkv) YARN-845. RM crash with NPE on NODE_UPDATE (Mayank Bansal via bikas) YARN-369. Handle ( or throw a proper error when receiving) status updates from application masters that have not registered (Mayank Bansal & Abhishek Kapoor via bikas) YARN-541. getAllocatedContainers() is not returning all the allocated containers (bikas) YARN-763. AMRMClientAsync should stop heartbeating after receiving shutdown from RM (Xuan Gong via bikas) YARN-654. AMRMClient: Perform sanity checks for parameters of public methods (Xuan Gong via bikas)" YARN-919. Document setting default heap sizes in yarn-env.sh (Mayank Bansal via hitesh) YARN-795. Fair scheduler queue metrics should subtract allocated vCores from available vCores. (ywskycn via tucu) YARN-799. Fix CgroupsLCEResourcesHandler to use /tasks instead of /cgroup.procs. (Chris Riccomini via acmurthy) YARN-333. Schedulers cannot control the queue-name of an application. (sandyr via tucu) YARN-368. Fixed a typo in error message in Auxiliary services. (Albert Chu via vinodkv) YARN-295. Fixed a race condition in ResourceManager RMAppAttempt state machine. (Mayank Bansal via vinodkv) YARN-523. Modified a test-case to validate container diagnostics on localization failures. (Jian He via vinodkv) YARN-661. Fixed NM to cleanup users' local directories correctly when starting up. (Omkar Vinit Joshi via vinodkv) YARN-820. Fixed an invalid state transition in NodeManager caused by failing resource localization. (Mayank Bansal via vinodkv) YARN-62. Modified NodeManagers to avoid AMs from abusing container tokens for repetitive container launches. (Omkar Vinit Joshi via vinodkv) YARN-814. Improving diagnostics when containers fail during launch due to various reasons like invalid env etc. (Jian He via vinodkv) YARN-897. Ensure child queues are ordered correctly to account for completed containers. (Djellel Eddine Difallah via acmurthy) YARN-853. Fixed CapacityScheduler's maximum-am-resource-percent to properly work beyond refreshing queues. (Devaraj K via vinodkv) YARN-873. YARNClient.getApplicationReport(unknownAppId) returns a null report (Xuan Gong via bikas) YARN-875. Application can hang if AMRMClientAsync callback thread has exception (Xuan Gong via bikas) YARN-968. RM admin commands don't work. (vinodkv via kihwal) YARN-688. Fixed NodeManager to properly cleanup containers when it is shut down. (Jian He via vinodkv) YARN-960. Fixed ResourceManager to propagate client-submitted credentials irrespective of security. (Daryn Sharp via vinodkv) YARN-937. Fix unmanaged AM in non-secure/secure setup post YARN-701. (tucu) YARN-932. TestResourceLocalizationService.testLocalizationInit can fail on JDK7. (Karthik Kambatla via Sandy Ryza) YARN-961. Changed ContainerManager to enforce Token auth irrespective of security. (Omkar Vinit Joshi via vinodkv) YARN-945. Removed setting of AMRMToken's service from ResourceManager and changed client libraries do it all the time and correctly. (vinodkv) YARN-656. In scheduler UI, including reserved memory in Memory Total can make it exceed cluster capacity. (Sandy Ryza) BREAKDOWN OF HADOOP-8562/YARN-191 SUBTASKS AND RELATED JIRAS YARN-158. Yarn creating package-info.java must not depend on sh. (Chris Nauroth via suresh) YARN-176. Some YARN tests fail to find winutils. (Chris Nauroth via suresh) YARN-207. YARN distribution build fails on Windows. (Chris Nauroth via suresh) YARN-199. Yarn cmd line scripts for windows. (Ivan Mitic via suresh) YARN-213. YARN build script would be more readable using abspath. (Chris Nauroth via suresh) YARN-233. Added support for running containers in MS Windows to YARN. (Chris Nauroth via acmurthy) YARN-234. Added support for process tree and resource calculator in MS Windows to YARN. (Chris Nauroth via acmurthy) YARN-259. Fix LocalDirsHandlerService to use Path rather than URIs. (Xuan Gong via acmurthy) YARN-316. YARN container launch may exceed maximum Windows command line length due to long classpath. (Chris Nauroth via suresh) YARN-359. Fixing commands for container signalling in Windows. (Chris Nauroth via vinodkv) YARN-506. Move to common utils FileUtil#setReadable/Writable/Executable and FileUtil#canRead/Write/Execute. (Ivan Mitic via suresh) YARN-488. TestContainerManagerSecurity fails on Windows. (Chris Nauroth via hitesh) YARN-490. TestDistributedShell fails on Windows. (Chris Nauroth via hitesh) YARN-491. TestContainerLogsPage fails on Windows. (Chris Nauroth via hitesh) YARN-487. Modify path manipulation in LocalDirsHandlerService to let TestDiskFailures pass on Windows. (Chris Nauroth via vinodkv) YARN-593. container launch on Windows does not correctly populate classpath with new process's environment variables and localized resources (Chris Nauroth via bikas) YARN-493. Fixed some shell related flaws in YARN on Windows. (Chris Nauroth via vinodkv) YARN-839. TestContainerLaunch.testContainerEnvVariables fails on Windows. (Chuan Liu via cnauroth) YARN-597. TestFSDownload fails on Windows due to dependencies on tar/gzip/jar tools. (Ivan Mitic via acmurthy) YARN-852. TestAggregatedLogFormat.testContainerLogsFileAccess fails on Windows. (Chuan Liu via cnauroth) YARN-894. NodeHealthScriptRunner timeout checking is inaccurate on Windows. (Chuan Liu via cnauroth) YARN-909. Disable TestLinuxContainerExecutorWithMocks on Windows. (Chuan Liu via cnauroth) YARN-1043. Push all metrics consistently. (Jian He via acmurthy) YARN-1056. Remove dual use of string 'resourcemanager' in yarn.resourcemanager.connect.{max.wait.secs|retry_interval.secs} (Karthik Kambatla via acmurthy) Release 2.0.6-alpha - 08/22/2013 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES YARN-854. Fixing YARN bugs that are failing applications in secure environment. (Omkar Vinit Joshi and shv) Release 2.0.5-alpha - 06/06/2013 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES Release 2.0.4-alpha - 2013-04-25 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES YARN-429. capacity-scheduler config missing from yarn-test artifact. (sseth via hitesh) YARN-470. Support a way to disable resource monitoring on the NodeManager. (Siddharth Seth via hitesh) Release 2.0.3-alpha - 2013-02-06 INCOMPATIBLE CHANGES NEW FEATURES YARN-145. Add a Web UI to the fair share scheduler. (Sandy Ryza via tomwhite) YARN-3. Add support for CPU isolation/monitoring of containers. (adferguson via tucu) YARN-230. RM Restart phase 1 - includes support for saving/restarting all applications on an RM bounce. (Bikas Saha via acmurthy) YARN-103. Add a yarn AM-RM client module. (Bikas Saha via sseth) YARN-286. Add a YARN ApplicationClassLoader. (tomwhite) YARN-2. Enhanced CapacityScheduler to account for CPU alongwith memory for multi-dimensional resource scheduling. (acmurthy) YARN-328. Use token request messages defined in hadoop common. (suresh) YARN-231. RM Restart - Add FS-based persistent store implementation for RMStateStore (Bikas Saha via hitesh) IMPROVEMENTS YARN-223. Update process tree instead of getting new process trees. (Radim Kolar via llu) YARN-57. Allow process-tree based resource calculation et al. to be pluggable to support it on multiple platforms. (Radim Kolar via acmurthy) YARN-78. Changed UnManagedAM application to use YarnClient. (Bikas Saha via vinodkv) YARN-93. Fixed RM to propagate diagnostics from applications that have finished but failed (Jason Lowe via vinodkv). YARN-28. Fixed TestCompositeService to not depend on test-order and thus made it pass on JDK7 (Thomas Graves via vinodkv). YARN-82. Change the default local and log dirs to be based on hadoop.tmp.dir and yarn.log.dir. (Hemanth Yamijala via sseth) YARN-53. Added the missing getGroups API to ResourceManager. (Bo Wang via vinodkv) YARN-116. Add the ability to change the RM include/exclude file without a restart. (xieguiming and Harsh J via sseth) YARN-23. FairScheduler: FSQueueSchedulable#updateDemand() - potential redundant aggregation. (kkambatl via tucu) YARN-127. Move RMAdmin tool to its correct location - the client module. (vinodkv) YARN-40. Provided support for missing YARN commands (Devaraj K and Vinod Kumar Vavilapalli via vinodkv) YARN-33. Change LocalDirsHandlerService to validate the configured local and log dirs. (Mayank Bansal via sseth) YARN-94. Modify DistributedShell to point to main-class by default, clean up the help message, and hard-code the AM class. (Hitesh Shah via vinodkv) YARN-146. Add unit tests for computing fair share in the fair scheduler. (Sandy Ryza via tomwhite) HADOOP-8911. CRLF characters in source and text files. (Raja Aluri via suresh) YARN-136. Make ClientToAMTokenSecretManager part of RMContext (Vinod Kumar Vavilapalli via sseth) YARN-183. Clean up fair scheduler code. (Sandy Ryza via tomwhite) YARN-129. Simplify classpath construction for mini YARN tests. (tomwhite) YARN-254. Update fair scheduler web UI for hierarchical queues. (sandyr via tucu) YARN-315. Using the common security token protobuf definition from hadoop common. (Suresh Srinivas via vinodkv) YARN-170. Change NodeManager stop to be reentrant. (Sandy Ryza via vinodkv) YARN-331. Fill in missing fair scheduler documentation. (sandyr via tucu) YARN-277. Use AMRMClient in DistributedShell to exemplify the approach. (Bikas Saha via hitesh) YARN-360. Allow apps to concurrently register tokens for renewal. (Daryn Sharp via sseth) OPTIMIZATIONS BUG FIXES YARN-131. Fix incorrect ACL properties in capacity scheduler documentation. (Ahmed Radwan via sseth) YARN-102. Move the apache header to the top of the file in MemStore.java. (Devaraj K via sseth) YARN-134. ClientToAMSecretManager creates keys without checking for validity of the appID. (Vinod Kumar Vavilapalli via sseth) YARN-30. Fixed tests verifying web-services to work on JDK7. (Thomas Graves via vinodkv) YARN-150. Fixes AppRejectedTransition does not unregister a rejected app-attempt from the ApplicationMasterService (Bikas Saha via sseth) YARN-140. Add capacity-scheduler-default.xml to provide a default set of configurations for the capacity scheduler. (ahmed via tucu) YARN-179. Fix some unit test failures. (Vinod Kumar Vavilapalli via sseth) YARN-181. Fixed eclipse settings broken by capacity-scheduler.xml move via YARN-140. (Siddharth Seth via vinodkv) YARN-169. Update log4j.appender.EventCounter to use org.apache.hadoop.log.metrics.EventCounter (Anthony Rojas via tomwhite) YARN-184. Remove unnecessary locking in fair scheduler, and address findbugs excludes. (sandyr via tucu) YARN-224. Fair scheduler logs too many nodeUpdate INFO messages. (Sandy Ryza via tomwhite) YARN-222. Fair scheduler should create queue for each user by default. (Sandy Ryza via tomwhite) MAPREDUCE-4778. Fair scheduler event log is only written if directory exists on HDFS. (Sandy Ryza via tomwhite) YARN-229. Remove old unused RM recovery code. (Bikas Saha via acmurthy) YARN-187. Add hierarchical queues to the fair scheduler. (Sandy Ryza via tomwhite) YARN-72. NM should handle cleaning up containers when it shuts down. (Sandy Ryza via tomwhite) YARN-267. Fix fair scheduler web UI. (Sandy Ryza via tomwhite) YARN-264. y.s.rm.DelegationTokenRenewer attempts to renew token even after removing an app. (kkambatl via tucu) YARN-271. Fair scheduler hits IllegalStateException trying to reserve different apps on same node. (Sandy Ryza via tomwhite) YARN-272. Fair scheduler log messages try to print objects without overridden toString methods. (sandyr via tucu) YARN-278. Fair scheduler maxRunningApps config causes no apps to make progress. (sandyr via tucu) YARN-282. Fair scheduler web UI double counts Apps Submitted. (sandyr via tucu) YARN-283. Fair scheduler fails to get queue info without root prefix. (sandyr via tucu) YARN-192. Node update causes NPE in the fair scheduler. (Sandy Ryza via tomwhite) YARN-288. Fair scheduler queue doesn't accept any jobs when ACLs are configured. (Sandy Ryza via tomwhite) YARN-300. After YARN-271, fair scheduler can infinite loop and not schedule any application. (Sandy Ryza via tomwhite) YARN-301. Fair scheduler throws ConcurrentModificationException when iterating over app's priorities. (Sandy Ryza via tomwhite) YARN-217. Fix RMAdmin protocol description to make it work in secure mode also. (Devaraj K via vinodkv) YARN-253. Fixed container-launch to not fail when there are no local resources to localize. (Tom White via vinodkv) YARN-330. Fix flakey test: TestNodeManagerShutdown#testKillContainersOnShutdown. (Sandy Ryza via hitesh) YARN-335. Fair scheduler doesn't check whether rack needs containers before assigning to node. (Sandy Ryza via tomwhite) YARN-336. Fair scheduler FIFO scheduling within a queue only allows 1 app at a time. (Sandy Ryza via tomwhite) YARN-135. Client tokens should be per app-attempt, and should be unregistered on App-finish. (vinodkv via sseth) YARN-302. Fair scheduler assignmultiple should default to false. (sandyr via tucu) YARN-372. Move InlineDispatcher from hadoop-yarn-server-resourcemanager to hadoop-yarn-common (sseth via hitesh) YARN-370. Fix SchedulerUtils to correctly round up the resource for containers. (Zhijie Shen via acmurthy) YARN-355. Fixes a bug where RM app submission could jam under load. (Daryn Sharp via sseth) Release 2.0.2-alpha - 2012-09-07 YARN-9. Rename YARN_HOME to HADOOP_YARN_HOME. (vinodkv via acmurthy) NEW FEATURES YARN-1. Promote YARN to be a sub-project of Apache Hadoop. (acmurthy) IMPROVEMENTS YARN-29. Add a yarn-client module. (Vinod Kumar Vavilapalli via sseth) YARN-10. Fix DistributedShell module to not have a dependency on hadoop-mapreduce-client-core. (Hitesh Shah via vinodkv) YARN-80. Add support for delaying rack-local containers in CapacityScheduler. (acmurthy) YARN-137. Change the default YARN scheduler to be the CapacityScheduler. (sseth via acmurthy) OPTIMIZATIONS BUG FIXES YARN-13. Fix pom versions for YARN in branch-2 (todd) MAPREDUCE-2374. "Text File Busy" errors launching MR tasks. (Andy Isaacson via atm) YARN-12. Fix findbugs warnings in FairScheduler. (Junping Du via acmurthy) YARN-22. Fix ContainerLogs to work if the log-dir is specified as a URI. (Mayank Bansal via sseth) YARN-37. Change TestRMAppTransitions to use the DrainDispatcher. (Mayank Bansal via sseth) YARN-79. Implement close on all clients to YARN so that RPC clients don't throw exceptions on shut-down. (Vinod Kumar Vavilapalli) YARN-42. Modify NM's non-aggregating logs' handler to stop properly so that NMs don't get NPEs on startup errors. (Devaraj K via vinodkv) YARN-15. Updated default classpath for YARN applications to reflect split of YARN into a sub-project. (Arun C Murthy via vinodkv) YARN-75. Modified ResourceManager's RMContainer to handle a valid RELEASE event at RUNNING state. (Siddharth Seth via vinodkv) YARN-138. Ensure default values for minimum/maximum container sizes is sane. (harsh & sseth via acmurthy) Release 0.23.11 - UNRELEASED INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES YARN-1180. Update capacity scheduler docs to include types on the configs (Chen He via jeagles) Release 0.23.10 - 2013-12-09 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-985. Nodemanager should log where a resource was localized (Ravi Prakash via jeagles) YARN-1119. Add ClusterMetrics checks to tho TestRMNodeTransitions tests (Mit Desai via jeagles) OPTIMIZATIONS BUG FIXES YARN-337. RM handles killed application tracking URL poorly (jlowe) YARN-1101. Active nodes can be decremented below 0 (Robert Parker via tgraves) YARN-1176. RM web services ClusterMetricsInfo total nodes doesn't include unhealthy nodes (Jonathan Eagles via tgraves) YARN-1386. NodeManager mistakenly loses resources and relocalizes them (Jason Lowe via jeagles) Release 0.23.9 - 2013-07-08 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-427. Coverage fix for org.apache.hadoop.yarn.server.api.* (Aleksey Gorshkov via jeagles) YARN-478. fix coverage org.apache.hadoop.yarn.webapp.log (Aleksey Gorshkov via jeagles) OPTIMIZATIONS BUG FIXES Release 0.23.8 - 2013-06-05 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS YARN-548. Add tests for YarnUncaughtExceptionHandler (Vadim Bondarev via jeagles) BUG FIXES YARN-363. Add webapps/proxy directory without which YARN proxy-server fails when started in stand-alone mode. (Kenji Kikushima via vinodkv) YARN-690. RM exits on token cancel/renew problems (daryn via bobby) Release 0.23.7 - 2013-04-18 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-133 Update web services docs for RM clusterMetrics (Ravi Prakash via kihwal) YARN-249. Capacity Scheduler web page should show list of active users per queue like it used to (in 1.x) (Ravi Prakash via tgraves) YARN-236. RM should point tracking URL to RM web page when app fails to start (Jason Lowe via jeagles) YARN-269. Resource Manager not logging the health_check_script result when taking it out (Jason Lowe via kihwal) YARN-227. Application expiration difficult to debug for end-users (Jason Lowe via jeagles) YARN-443. allow OS scheduling priority of NM to be different than the containers it launches (tgraves) YARN-468. coverage fix for org.apache.hadoop.yarn.server.webproxy.amfilter (Aleksey Gorshkov via bobby) YARN-200. yarn log does not output all needed information, and is in a binary format (Ravi Prakash via jlowe) YARN-525. make CS node-locality-delay refreshable (Thomas Graves via jlowe) OPTIMIZATIONS YARN-357. App submission should not be synchronized (daryn) BUG FIXES YARN-343. Capacity Scheduler maximum-capacity value -1 is invalid (Xuan Gong via tgraves) YARN-364. AggregatedLogDeletionService can take too long to delete logs (jlowe) YARN-362. Unexpected extra results when using webUI table search (Ravi Prakash via jlowe) YARN-400. RM can return null application resource usage report leading to NPE in client (Jason Lowe via tgraves) YARN-426. Failure to download a public resource prevents further downloads (Jason Lowe via bobby) YARN-448. Remove unnecessary hflush from log aggregation (Kihwal Lee via bobby) YARN-345. Many InvalidStateTransitonException errors for ApplicationImpl in Node Manager (Robert Parker via jlowe) YARN-109. .tmp file is not deleted for localized archives (Mayank Bansal via bobby) YARN-460. CS user left in list of active users for the queue even when application finished (tgraves) Release 0.23.6 - 2013-02-06 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-285. Added a temporary plugin interface for RM to be able to redirect to JobHistory server for apps that it no longer tracks. (Derek Dagit via vinodkv) OPTIMIZATIONS BUG FIXES YARN-188. Coverage fixing for CapacityScheduler (Aleksey Gorshkov via bobby) YARN-214. RMContainerImpl does not handle event EXPIRE at state RUNNING (jeagles via bobby) YARN-151. Browser thinks RM main page JS is taking too long (Ravi Prakash via bobby) YARN-204. test coverage for org.apache.hadoop.tools (Aleksey Gorshkov via bobby) YARN-251. Proxy URI generation fails for blank tracking URIs (Tom White via jlowe) YARN-258. RM web page UI shows Invalid Date for start and finish times (Ravi Prakash via jlowe) YARN-266. RM and JHS Web UIs are blank because AppsBlock is not escaping string properly (Ravi Prakash via jlowe) YARN-280. RM does not reject app submission with invalid tokens (Daryn Sharp via tgraves) YARN-225. Proxy Link in RM UI thows NPE in Secure mode (Devaraj K via bobby) YARN-293. Node Manager leaks LocalizerRunner object for every Container (Robert Joseph Evans via jlowe) YARN-50. Implement renewal / cancellation of Delegation Tokens (Siddharth Seth via tgraves) YARN-320. RM should always be able to renew its own tokens. (Daryn Sharp via sseth) YARN-325. RM CapacityScheduler can deadlock when getQueueInfo() is called and a container is completing (Arun C Murthy via tgraves) YARN-334. Maven RAT plugin is not checking all source files (tgraves) YARN-354. WebAppProxyServer exits immediately after startup (Liang Xie via jlowe) Release 0.23.5 - 2012-11-28 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS YARN-161. Fix multiple compiler warnings for unchecked operations in YARN common. (Chris Nauroth via vinodkv) YARN-43. Fix TestResourceTrackerService to not depend on test order and thus pass on JDK7. (Thomas Graves via vinodkv) YARN-32. Fix TestApplicationTokens to not depend on test order and thus pass on JDK7. (vinodkv) YARN-186. Coverage fixing LinuxContainerExecutor (Aleksey Gorshkov via bobby) YARN-216. Remove jquery theming support. (Robert Joseph Evans via jlowe) OPTIMIZATIONS BUG FIXES YARN-163. Retrieving container log via NM webapp can hang with multibyte characters in log (jlowe via bobby) YARN-174. Modify NodeManager to pass the user's configuration even when rebooting. (vinodkv) YARN-177. CapacityScheduler - adding a queue while the RM is running has wacky results (acmurthy vai tgraves) YARN-178. Fix custom ProcessTree instance creation (Radim Kolar via bobby) YARN-180. Capacity scheduler - containers that get reserved create container token to early (acmurthy and bobby) YARN-139. Interrupted Exception within AsyncDispatcher leads to user confusion. (Vinod Kumar Vavilapalli via jlowe) YARN-165. RM should point tracking URL to RM web page for app when AM fails (jlowe via bobby) YARN-159. RM web ui applications page should be sorted to display last app first (tgraves via bobby) YARN-166. capacity scheduler doesn't allow capacity < 1.0 (tgraves via bobby) YARN-189. Fixed a deadlock between RM's ApplicationMasterService and the dispatcher. (Thomas Graves via vinodkv) YARN-202. Log Aggregation generates a storm of fsync() for namenode (Kihwal Lee via bobby) YARN-201. Fix CapacityScheduler to be less conservative for starved off-switch requests. (jlowe via acmurthy) YARN-206. TestApplicationCleanup.testContainerCleanup occasionally fails. (jlowe via jeagles) YARN-212. NM state machine ignores an APPLICATION_CONTAINER_FINISHED event when it shouldn't (Nathan Roberts via jlowe) YARN-219. NM should aggregate logs when application finishes. (bobby) Release 0.23.4 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS Change package of YarnClient to org.apache.hadoop. (Bikas Saha via vinodkv) YARN-108. FSDownload can create cache directories with the wrong permissions (Jason Lowe via bobby) YARN-57. Allow process-tree based resource calculation et al. to be pluggable to support it on multiple platforms. (Radim Kolar via acmurthy) OPTIMIZATIONS BUG FIXES YARN-88. DefaultContainerExecutor can fail to set proper permissions. (Jason Lowe via sseth) YARN-106. Nodemanager needs to set permissions of local directories (jlowe via bobby) Release 0.23.3 INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMAZATIONS BUG FIXES YARN-14. Symlinks to peer distributed cache files no longer work (Jason Lowe via bobby) YARN-25. remove old aggregated logs (Robert Evans via tgraves) YARN-27. Failed refreshQueues due to misconfiguration prevents further refreshing of queues (Arun Murthy via tgraves) MAPREDUCE-4323. NM leaks filesystems (Jason Lowe via jeagles) YARN-39. RM-NM secret-keys should be randomly generated and rolled every so often. (vinodkv and sseth via sseth) YARN-31. Fix TestDelegationTokenRenewer to not depend on test order so as to pass tests on jdk7. (Thomas Graves via vinodkv) YARN-63. RMNodeImpl is missing valid transitions from the UNHEALTHY state (Jason Lowe via bobby) YARN-60. Fixed a bug in ResourceManager which causes all NMs to get NPEs and thus causes all containers to be rejected. (vinodkv) YARN-66. aggregated logs permissions not set properly (tgraves via bobby) YARN-68. NodeManager will refuse to shutdown indefinitely due to container log aggregation (daryn via bobby) YARN-87. NM ResourceLocalizationService does not set permissions of local cache directories (Jason Lowe via tgraves)