Apache
/
hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
10,732 Commits 326 Branches 371 Tags 1.5 GiB
Commit Graph

2093 Commits

Author SHA1 Message Date
Jason Lowe ee5c20ddef MAPREDUCE-6533. testDetermineCacheVisibilities of TestClientDistributedCacheManager is broken. Contributed by Chang Li 
(cherry picked from commit df68eac825)
 2015-11-11 17:27:03 +00:00
Jian He a4ff03b200 YARN-3840. Resource Manager web ui issue when sorting application by id (with application having id > 9999) Contributed by Mohammad Shahid Khan 
(cherry picked from commit 8fbea531d7)
 2015-11-09 11:05:12 -08:00
Tsuyoshi Ozawa 1c0c77e7f0 MAPREDUCE-5763. Warn message about httpshuffle in NM logs. Contributed by Akira AJISAKA. 
(cherry picked from commit 668e897538)
 2015-11-09 15:26:02 +09:00
Jason Lowe 8334d86472 Add 2.7.3 release to CHANGES.txt 
(cherry picked from commit 0383a3973b)
 2015-11-04 16:27:28 +00:00
Sangjin Lee b2d6ea5e18 Updated the 2.6.2 final release date. 
(cherry picked from commit a4a6b5b4b4)
 2015-10-30 18:49:21 -07:00
Kihwal Lee 52819fe4ef MAPREDUCE-6451. DistCp has incorrect chunkFilePath for multiple jobs when strategy is dynamic. Contributed by Kuhu Shukla. 
(cherry picked from commit 2868ca0328)
 2015-10-30 14:57:57 -05:00
Jason Lowe a7d8895b60 MAPREDUCE-6528. Memory leak for HistoryFileManager.getJobSummary(). Contributed by Junping Du 
(cherry picked from commit 6344b6a769)
 2015-10-30 15:32:48 +00:00
Jason Lowe 055e11c53e Update CHANGES.txt to reflect commit of MR-6273 to branch-2.6 
(cherry picked from commit 6ae9efaf59)
 2015-10-30 15:19:49 +00:00
Jason Lowe 8dce482f61 Creating 2.6.3 entries in CHANGES.txt files. 
(cherry picked from commit eadf7b3096)
 2015-10-30 14:52:06 +00:00
Tsuyoshi Ozawa 1c80473a41 YARN-4320. TestJobHistoryEventHandler fails as AHS in MiniYarnCluster no longer binds to default port 8188. Contributed by Varun Saxena. 
(cherry picked from commit ce31b22739)
 2015-10-30 18:00:35 +09:00
Xuan b505bf9e58 YARN-4313. Race condition in MiniMRYarnCluster when getting history 
server address. Contributed by Jian He

(cherry picked from commit 7412ff48ee)
 2015-10-29 17:37:24 -07:00
Jason Lowe d6d642a4e3 Update CHANGES.txt to reflect commit of MR-6273 to branch-2.7 
(cherry picked from commit ecad1253b7)
 2015-10-29 18:33:24 +00:00
Jason Lowe 145058003a MAPREDUCE-6515. Update Application priority in AM side from AM-RM heartbeat. Contributed by Sunil G 
(cherry picked from commit cf953b6258)
 2015-10-29 18:05:56 +00:00
Sangjin Lee 16db203a83 Set the release date for 2.6.2 2015-10-28 20:48:49 -07:00
Tsuyoshi Ozawa 3138b43f16 YARN-3573. MiniMRYarnCluster constructor that starts the timeline server using a boolean should be marked deprecated. Contributed by Brahma Reddy Battula. 
(cherry picked from commit 96677bef00)
 2015-10-27 12:35:20 +09:00
Junping Du 801ce47e28 MAPREDUCE-6508. TestNetworkedJob fails consistently due to delegation token changes on RM. Contributed by Akira AJISAKA 
(cherry picked from commit eb6379ca25)
 2015-10-23 10:07:41 -07:00
Jason Lowe 7c002e2416 MAPREDUCE-6518. Set SO_KEEPALIVE on shuffle connections. Contributed by Chang Li 
(cherry picked from commit ee9b80acf8)
 2015-10-21 21:45:51 +00:00
Jason Lowe be72ed1c75 MAPREDUCE-6489. Fail fast rogue tasks that write too much to local disk. Contributed by Maysam Yabandeh 2015-10-21 14:11:48 +00:00
Robert Kanter 492142097b MAPREDUCE-6495. Docs for archive-logs tool (rkanter) 
(cherry picked from commit 0c4af0f998)
 2015-10-20 17:34:56 -07:00
Sangjin Lee 180efe6677 YARN-2556. Tool to measure the performance of the timeline server (Chang Li via sjlee) 
(cherry picked from commit 58590fef49)
 2015-10-16 16:57:32 -07:00
Haohui Mai ee04add696 HDFS-9167. Update pom.xml in other modules to depend on hdfs-client instead of hdfs. Contributed by Mingliang Liu. 2015-10-13 15:24:29 -07:00
Karthik Kambatla 2d8f9e3fd9 MAPREDUCE-6302. Incorrect headroom can lead to a deadlock between map and reduce allocations. (kasha) 
(cherry picked from commit 4aa9b3e75c)

Conflicts:
	hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerAllocator.java
 2015-10-09 07:54:47 -07:00
Jason Lowe 0139517811 YARN-261. Ability to fail AM attempts. Contributed by Andrey Klochkov and Rohith Sharma K S 
(cherry picked from commit a0bca2b5ad)
 2015-10-09 14:19:41 +00:00
Akira Ajisaka 22ff37f5ce MAPREDUCE-6479. Add missing mapred job command options in mapreduce document. Contributed by nijel. 
(cherry picked from commit 584cf3bb35)
 2015-10-09 10:58:15 +09:00
Robert Kanter e5bf4594cc MAPREDUCE-6503. archive-logs tool should use HADOOP_PREFIX instead of HADOOP_HOME (rkanter) 
(cherry picked from commit 1bca1bb517)
 2015-10-06 16:50:18 -07:00
Xuan 53bddc410f YARN-1897. CLI and core support for signal container functionality. Contributed by Ming Ma 
(cherry picked from commit 8f08532bde)
 2015-10-02 18:53:04 -07:00
rohithsharmaks 7dd9ebdebc MAPREDUCE-6485. Create a new task attempt with failed map task priority if in-progress attempts are unassigned. (Xianyin Xin via rohithsharmaks) 
(cherry picked from commit 439f43ad3d)
 2015-10-02 20:36:20 +05:30
Akira Ajisaka e42f576232 MAPREDUCE-6497. Fix wrong value of JOB_FINISHED event in JobHistoryEventHandler. Contributed by Shinichi Yamashita. 
(cherry picked from commit 195793c6f3)
 2015-10-01 10:26:00 +02:00
Robert Kanter 46ef5aa8eb MAPREDUCE-6494. Permission issue when running archive-logs tool as different users (rkanter) 
(cherry picked from commit 5db371f52f)
 2015-09-30 17:34:03 -07:00
Jason Lowe 3c4c52a095 MAPREDUCE-6492. AsyncDispatcher exit with NPE on TaskAttemptImpl#sendJHStartEventForAssignedFailTask. Contributed by Bibin A Chundatt 
(cherry picked from commit ab11085b81)
 2015-09-28 22:13:03 +00:00
Harsh J 03e370e306 MAPREDUCE-6471. Document distcp incremental copy. Contributed by Neelesh Srinivas Salian. 
(cherry picked from commit 66dad854c0)
 2015-09-28 13:14:20 +05:30
Robert Kanter d8a5d2b2fc MAPREDUCE-6480. archive-logs tool may miss applications (rkanter) 
(cherry picked from commit 8fec882cfaac047af1892615fe32d8c3ca02e7f9)
 2015-09-25 15:00:07 -07:00
Jian He d458805690 YARN-1651. CapacityScheduler side changes to support container resize. Contributed by Wangda Tan 
(cherry picked from commit 89cab1ba5f)

Conflicts:
	hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java
 2015-09-24 10:30:04 -07:00
Jian He c19e8ffdc7 YARN-1449. AM-NM protocol changes to support container resizing. Contributed by Meng Ding & Wangda Tan) 
(cherry picked from commit 83a18add10)
 2015-09-24 10:23:25 -07:00
Jian He 89dc37450c YARN-3866. AM-RM protocol changes to support container resizing. Contributed by Meng Ding 
(cherry picked from commit dfe2cb849f)
 2015-09-24 10:23:13 -07:00
Zhihai Xu e5ba1a0521 MAPREDUCE-6484. Yarn Client uses local address instead of RM address as token renewer in a secure cluster when RM HA is enabled. Contributed by Zhihai Xu 
(cherry picked from commit 97a08807ec)
 2015-09-24 08:14:11 -07:00
Vinod Kumar Vavilapalli (I am also known as @tshooter.) f48af332a7 Release process for 2.6.1: Set the release date for 2.6.1 
(cherry picked from commit 1f707ecffd)
 2015-09-23 15:12:30 -07:00
Harsh J 38420754f5 MAPREDUCE-5045. UtilTest#isCygwin method appears to be unused. Contributed by Neelesh Srinivas Salian. 
(cherry picked from commit de1322aa76007832698af682a3b76042116043b9)
 2015-09-22 21:38:31 +05:30
Tsuyoshi Ozawa 52cc2ca488 HADOOP-12428. Fix inconsistency between log-level guards and statements. Contributed by Jagadesh Kiran N and Jackie Chang. 
(cherry picked from commit dfd807afab)
 2015-09-22 12:54:44 +09:00
Zhihai Xu 88a3a07636 MAPREDUCE-6460. TestRMContainerAllocator.testAttemptNotFoundCausesRMCommunicatorException fails. Contributed by Zhihai Xu. 
(cherry picked from commit e3ace31e2b)
 2015-09-19 00:12:15 -07:00
Haohui Mai 0971503522 MAPREDUCE-6483. Replace deprecated method NameNode.getUri() with DFSUtilClient.getNNUri() in TestMRCredentials. Contributed by Mingliang Liu. 2015-09-18 13:36:22 -07:00
Jason Lowe 9240a021fc Update CHANGES.txt to reflect commit of MR-5982 to 2.7.2 
(cherry picked from commit f97dc034fe)
 2015-09-18 19:25:09 +00:00
Wangda Tan 6041fc75d8 MAPREDUCE-6478. Add an option to skip cleanupJob stage or ignore cleanup failure during commitJob. (Junping Du via wangda) 2015-09-18 10:19:32 -07:00
Jason Lowe 6641ab83eb Update CHANGES.txt to reflect LineRecordReader fixes committed to 2.7.2 
(cherry picked from commit 288c8854a6)
 2015-09-18 15:16:06 +00:00
Jason Lowe f27f1ef44c MAPREDUCE-5982. Task attempts that fail from the ASSIGNED state can disappear. Contributed by Chang Li 
(cherry picked from commit ee4ee6af6a)
 2015-09-17 21:38:44 +00:00
Jason Lowe 4861fadb17 MAPREDUCE-5002. AM could potentially allocate a reduce container to a map attempt. Contributed by Chang Li 
(cherry picked from commit 3f82f582e5)
 2015-09-17 18:18:28 +00:00
Jason Lowe 316296e35f MAPREDUCE-6481. LineRecordReader may give incomplete record and wrong position/key information for uncompressed input sometimes. Contributed by Zhihai Xu 
(cherry picked from commit 58d1a02b8d)
 2015-09-17 14:31:57 +00:00
Haohui Mai ac2ed09be7 MAPREDUCE-6477. Replace usage of deprecated NameNode.DEFAULT_PORT in TestFileSystem. Contributed by Mingliang Liu. 2015-09-16 13:06:38 -07:00
Jason Lowe 52f56524d4 MAPREDUCE-6472. MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks. Contributed by Naganarasimha G R 
(cherry picked from commit 62943b8e3a)
 2015-09-15 19:44:17 +00:00
Vinod Kumar Vavilapalli (I am also known as @tshooter.) cbf90f93f9 Updating all CHANGES.txt files to move entires from future releases into 2.6.1 
section given the large number of backports to 2.6.1.

(cherry picked from commit fbbb7ff1ed)
 2015-09-10 14:01:15 -07:00
Jason Lowe 7909462c3a MAPREDUCE-6474. ShuffleHandler can possibly exhaust nodemanager file descriptors. Contributed by Kuhu Shukla 
(cherry picked from commit 8e615588d5)
 2015-09-10 16:01:27 +00:00
Karthik Kambatla 999aa22509 MAPREDUCE-6415. Create a tool to combine aggregated logs into HAR files. (Robert Kanter via kasha) 2015-09-09 17:49:23 -07:00
Tsuyoshi Ozawa 8bf5362014 MAPREDUCE-6442. Stack trace is missing when error occurs in client protocol provider's constructor Contributed by Chang Li. 
(cherry picked from commit 9b685773ec)
 2015-09-05 11:21:35 +09:00
Andrew Wang 355398e441 HADOOP-12358. Add -safely flag to rm to prompt when deleting many files. Contributed by Xiaoyu Yao. 
(cherry picked from commit e1feaf6db0)
 2015-09-04 13:48:42 -07:00
Akira Ajisaka a61c0f5ca1 Revert "MAPREDUCE-6363. [NNBench] Lease mismatch error when running with multiple mappers. Contributed by Brahma Reddy Battula." 
This reverts commit 98446ee695.
 2015-09-02 12:26:25 +09:00
Zhihai Xu 297bda600e MAPREDUCE-6452. NPE when intermediate encrypt enabled for LocalRunner. Contributed by Zhihai Xu 
(cherry picked from commit cbb249534a)
 2015-08-28 12:20:49 -07:00
Jian He 387076894f YARN-4014. Support user cli interface in for Application Priority. Contributed by Rohith Sharma K S 
(cherry picked from commit 57c7ae1aff)
 2015-08-24 20:37:18 -07:00
Akira Ajisaka 29819e7240 MAPREDUCE-6357. MultipleOutputs.write() API should document that output committing is not utilized when input path is absolute. Contributed by Dustin Cote. 
(cherry picked from commit 2ba90c93d7)
 2015-08-21 10:43:05 +09:00
Vinod Kumar Vavilapalli 9da81a3955 MAPREDUCE-6454. Fixed MapReduce to modify HADOOP_CLASSPATH to have distributed cache files so that child processes running hadoop scripts can access these files. Contributed by Junping Du. 2015-08-20 17:35:24 -07:00
Vinod Kumar Vavilapalli 45be1240d9 Creating 2.6.2 entries in CHANGES.txt files. 
(cherry picked from commit 33474939a0)
 2015-08-20 17:23:54 -07:00
Karthik Kambatla 20734320a1 MAPREDUCE-6439. AM may fail instead of retrying if RM shuts down during the allocate call. (Anubhav Dhoot via kasha) 
(cherry picked from commit 8dfec7a197)
 2015-08-15 00:53:13 -07:00
Karthik Kambatla b826168173 MAPREDUCE-5817. Mappers get rescheduled on node transition even after all reducers are completed. (Sangjin Lee via kasha) 
(cherry picked from commit 27d24f96ab)
 2015-08-14 12:40:38 -07:00
Junping Du c8469357ba MAPREDUCE-6443. Add JvmPauseMonitor to JobHistoryServer. Contributed by Robert Kanter. 2015-08-06 07:00:42 -07:00
Colin Patrick Mccabe 07a042aa3c HADOOP-7824. NativeIO.java flags and identifiers must be set correctly for each platform, not hardcoded to their Linux values (Martin Walsh via Colin P. McCabe) 
(cherry picked from commit 21d10ccc6e)
 2015-07-31 15:02:01 -07:00
Jason Lowe 508da4d461 MAPREDUCE-6394. Speed up Task processing loop in HsTasksBlock#render(). Contributed by Ray Chiang 
(cherry picked from commit d0e0ba8010)
 2015-07-31 18:19:52 +00:00
Zhihai Xu 9d40eead81 MAPREDUCE-6433. launchTime may be negative. Contributed by Zhihai Xu 
(cherry picked from commit 93d50b7824)
 2015-07-30 23:12:30 -07:00
Akira Ajisaka 4da8ff60ef MAPREDUCE-5762. Port MAPREDUCE-3223 and MAPREDUCE-4695 (Remove MRv1 config from mapred-default.xml) to branch-2. (aajisaka) 2015-07-16 03:43:49 +09:00
Chris Douglas 2a0e551cd8 MAPREDUCE-6427. Fix typo in JobHistoryEventHandler. Contributed by Ray Chiang 2015-07-14 14:56:21 -07:00
Akira Ajisaka 0ba2defb9e YARN-3381. Fix typo InvalidStateTransitonException. Contributed by Brahma Reddy Battula. 
(cherry picked from commit 19295b36d9)
 2015-07-13 17:53:27 +09:00
Akira Ajisaka 0e4d251fb2 MAPREDUCE-6421. Fix findbugs warning in RMContainerAllocator.reduceNodeLabelExpression. Contributed by Brahma Reddy Battula. 
(cherry picked from commit e04faf8e46)
 2015-07-13 14:29:39 +09:00
Devaraj K 3074d7082e MAPREDUCE-6426. TestShuffleHandler#testGetMapOutputInfo is failing. 
Contributed by zhihai xu.

(cherry picked from commit fffb15bb43)
 2015-07-09 15:02:09 +05:30
Chris Douglas 5fbf91b453 MAPREDUCE-6038. A boolean may be set error in the Word Count v2.0 in MapReduce Tutorial. Contributed by Tsuyoshi Ozawa 
(cherry picked from commit 4990ccfdc742be9c0517557a6256fefcae0df67d)
 2015-07-07 10:26:57 -07:00
Vinod Kumar Vavilapalli (I am also known as @tshooter.) a8bf34cad8 Release process for 2.7.1: Set the release date for 2.7.1. 
(cherry picked from commit bf89ddb9b8)
 2015-07-06 16:41:00 -07:00
Devaraj K 415dd64461 MAPREDUCE-6425. ShuffleHandler passes wrong "base" parameter to 
getMapOutputInfo if mapId is not in the cache. Contributed by zhihai xu.

(cherry picked from commit bff67dfe2f)
 2015-07-06 13:47:54 +05:30
Jason Lowe 8a4970e845 MAPREDUCE-6418. MRApp should not shutdown LogManager during shutdown. Contributed by Chang Li 
(cherry picked from commit eac1d18943)
 2015-07-01 18:02:17 +00:00
Jason Lowe f3195eda27 MAPREDUCE-6420. Interrupted Exception in LocalContainerLauncher should be logged in warn/info level. Contributed by Chang Li 
(cherry picked from commit 826715622e)
 2015-07-01 17:50:47 +00:00
Jason Lowe df4e1e4965 MAPREDUCE-6376. Add avro binary support for jhist files. Contributed by Ray Chiang 
(cherry picked from commit 2ac87df578)

Conflicts:

	hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
 2015-07-01 16:07:54 +00:00
cnauroth f7ba3c0045 HADOOP-12116. Fix unrecommended syntax usages in hadoop/hdfs/yarn script for cygwin in branch-2. Contributed by Li Lu. 2015-06-30 16:55:10 -07:00
Robert Kanter e5b0439bc1 MAPREDUCE-6121. JobResourceUpdater#compareFs() doesn't handle HA namespaces (rchiang via rkanter) 
(cherry picked from commit 3a72bfd082)
 2015-06-30 16:50:48 -07:00
Jason Lowe fdfd5be2b3 MAPREDUCE-6384. Add the last reporting reducer info for too many fetch failure diagnostics. Contributed by Chang Li 
(cherry picked from commit b6ba56457c)
 2015-06-30 21:24:38 +00:00
Vinod Kumar Vavilapalli 4155bb565e Adding release 2.7.2 to CHANGES.txt. 
(cherry picked from commit aad6a7d5db)
 2015-06-28 16:30:27 -07:00
Jason Lowe 31fd7a51d8 MAPREDUCE-6413. TestLocalJobSubmission is failing with unknown host. Contributed by zhihai xu 
(cherry picked from commit aa5b15b03b)
 2015-06-25 19:52:23 +00:00
Jason Lowe 2762affbb2 MAPREDUCE-6400. Multiple shuffle transfer fails because input is closed too early. Contributed by Brahma Reddy Battula, Akira AJISAKA, and Gera Shegalov. 
(cherry picked from commit 72d08a0e41)
 2015-06-24 15:30:09 +00:00
Vinod Kumar Vavilapalli 8c9e2cf10a MAPREDUCE-6410. Fixed MapReduce JobHistory server to use the right (login) UGI to refresh log and cleaner settings. Contributed by Varun Saxena. 
(cherry picked from commit d481684c7c)
 2015-06-23 11:41:05 -07:00
Jason Lowe 3bf44b862b MAPREDUCE-5948. org.apache.hadoop.mapred.LineRecordReader does not handle multibyte record delimiters well. Contributed by Vinayakumar B, Rushabh Shah, and Akira AJISAKA 
(cherry picked from commit 077250d8d7)
 2015-06-22 22:00:20 +00:00
Gera Shegalov d8cc8f54dd MAPREDUCE-6408. Queue name and user name should be printed on the job page. (Siqi Li via gera) 
(cherry picked from commit 11ac848207)
 2015-06-22 14:42:31 -07:00
Akira Ajisaka c4747158b7 MAPREDUCE-6403. Fix typo in the usage of NNBench. Contributed by Jagadesh Kiran N. 
(cherry picked from commit 445b13240c)
 2015-06-22 15:34:34 +09:00
Gera Shegalov ee63c3e831 MAPREDUCE-6305. AM/Task log page should be able to link back to the job. (Siqi Li via gera) 
(cherry picked from commit 055cd5a9a1)
 2015-06-20 12:40:59 -07:00
Gera Shegalov 34e744ce1a MAPREDUCE-6316. Task Attempt List entries should link to the task overview. (Siqi Li via gera) 
(cherry picked from commit 63d40d5286)
 2015-06-20 11:52:11 -07:00
Devaraj K 5c3070dc16 MAPREDUCE-6405. NullPointerException in App Attempts page. Contributed by 
Siqi Li and Gera Shegalov.

(cherry picked from commit 311a4179cc)
 2015-06-20 10:37:42 +05:30
Gera Shegalov 01991876ed MAPREDUCE-6395. Improve the commit failure messages in MRAppMaster recovery. (Brahma Reddy Battula via gera) 
(cherry picked from commit 10107243be)
 2015-06-19 02:29:31 -07:00
Devaraj K c4c7fd0bf1 MAPREDUCE-6373. The logger reports total input paths but it is referring 
to input files. Contributed by Bibin A Chundatt.

(cherry picked from commit 1babe50a2c)
 2015-06-18 11:45:11 +05:30
Akira Ajisaka 98446ee695 MAPREDUCE-6363. [NNBench] Lease mismatch error when running with multiple mappers. Contributed by Brahma Reddy Battula. 
(cherry picked from commit 75a2560e51)
 2015-06-15 14:53:28 -07:00
Devaraj K b117527bf3 MAPREDUCE-6389. Fix BaileyBorweinPlouffe CLI usage message. Contributed by 
Brahma Reddy Battula.

(cherry picked from commit c7729efee8)
 2015-06-10 21:06:35 +05:30
Devaraj K 5426e3e929 MAPREDUCE-6350. JobHistory doesn't support fully-functional search. 
Contributed by Siqi Li.
 2015-06-10 12:43:31 +05:30
cnauroth 5a002aef12 MAPREDUCE-6392. Document mapred class path options. Contributed by Brahma Reddy Battula. 
(cherry picked from commit 025a3a8be0)
 2015-06-08 16:22:12 -07:00
Tsuyoshi Ozawa c6cdecc6b3 MAPREDUCE-6388. Remove deprecation warnings from JobHistoryServer classes. Contributed by Ray Chiang. 
(cherry picked from commit 6afe20a7a4)
 2015-06-08 15:06:23 -07:00
Jason Lowe 588c22e5a0 MAPREDUCE-6354. ShuffleHandler should be able to log shuffle connections. Contributed by Chang Li 
(cherry picked from commit b3ffa87003)
 2015-06-05 22:39:52 +00:00
Karthik Kambatla 1a2e6e8091 MAPREDUCE-6387. Serialize the recently added Task#encryptedSpillKey field at the end. (Arun Suresh via kasha) 
(cherry picked from commit 6786daab33)
 2015-06-05 09:17:34 -07:00
Devaraj K 37ad3b3fef MAPREDUCE-6383. Pi job (QuasiMonteCarlo) should not try to read the 
results file if its job fails. Contributed by Harsh J.

(cherry picked from commit 09b8241e6e)
 2015-06-05 21:23:48 +05:30