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Re: Yarn killing my Application Master - MapReduce - [mail # user]
...By looking at the logs, it shows your application was killed  and did not successfully registered with RM   On Fri, Oct 11, 2013 at 3:53 PM, Pradeep Gollakota wrote:   CONFIDE...
   Author: Jian He, 2013-10-13, 04:14
Re: [VOTE] Release Apache Hadoop 2.2.0 - MapReduce - [mail # dev]
...+1 non-binding  Built from source code, and ran a few sample jobs on single node cluster, tested RM and AM recovery.  Thanks, Jian   On Thu, Oct 10, 2013 at 10:59 AM, Chris Na...
   Author: Jian He, 2013-10-10, 20:12
[MAPREDUCE-5568] JHS returns invalid string for reducer completion percentage if AM restarts with 0 reducer. - MapReduce - [issue]
...JobCLient shows like:13/10/05 16:26:09 INFO mapreduce.Job:  map 100% reduce NaN%13/10/05 16:26:09 INFO mapreduce.Job: Job job_1381015536254_0001 completed successfully13/10/05 16:26:09 ...
http://issues.apache.org/jira/browse/MAPREDUCE-5568    Author: Jian He, 2013-10-06, 00:34
[MAPREDUCE-5127] MR job succeeds and exits even when unregister with RM fails - MapReduce - [issue]
...MR app master will clean staging dir, if the job is already succeeded and asked to reboot. If the finishApplicationMaster call fails, RM will consider this job unfinished and launch further ...
http://issues.apache.org/jira/browse/MAPREDUCE-5127    Author: Jian He, 2013-10-05, 23:40
[MAPREDUCE-5476] Job can fail when RM restarts after staging dir is cleaned but before MR successfully unregister with RM - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5476    Author: Jian He, 2013-10-05, 23:38
[MAPREDUCE-5505] Clients should be notified job finished only after job successfully unregistered - MapReduce - [issue]
...This is to make sure user is notified job finished after job is really done. This does increase client latency but can reduce some races during unregister like YARN-540...
http://issues.apache.org/jira/browse/MAPREDUCE-5505    Author: Jian He, 2013-10-05, 23:34
Re: Can container requests be made paralelly from multiple threads - MapReduce - [mail # user]
...Hi,  If you adopt hadoop-2.1-beta,  StartContainerRequest is changed to StartContainer(s)Request, meaning it can accept a list of container start requests and start those container...
   Author: Jian He, 2013-09-29, 22:21
[MAPREDUCE-5535] TestClusterMRNotification.testMR is failing - MapReduce - [issue]
...testMR(org.apache.hadoop.mapred.TestClusterMRNotification)  Time elapsed: 35.222 sec  <<< FAILURE!junit.framework.AssertionFailedError: expected:<2> but was:<0>...
http://issues.apache.org/jira/browse/MAPREDUCE-5535    Author: Jian He, 2013-09-26, 07:15
[MAPREDUCE-5519] Change JobClient to use YarnClient to interact with RM - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5519    Author: Jian He, 2013-09-20, 17:07
[MAPREDUCE-5516] TestMRJobClient fails on trunk - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5516    Author: Jian He, 2013-09-19, 18:40
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