Hadoop YARN Change Log Release 2.3.0 - UNRELEASED 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) IMPROVEMENTS 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-1027. Implement RMHAProtocolService (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-1258. Allow configuring the Fair Scheduler root queue (Sandy Ryza) OPTIMIZATIONS BUG FIXES 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) Release 2.2.1 - UNRELEASED INCOMPATIBLE CHANGES NEW FEATURES IMPROVEMENTS OPTIMIZATIONS BUG FIXES YARN-1253. Changes to LinuxContainerExecutor to run containers as a single dedicated user in non-secure mode. (rvs via tucu) 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-1284. LCE: Race condition leaves dangling cgroups entries for killed containers. (Alejandro Abdelnur via Sandy Ryza) 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) 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 2.0.5-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 0.23.10 - UNRELEASED 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) 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)