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[MAPREDUCE-6630] TestUserGroupInformation#testGetServerSideGroups fails in chroot - MapReduce - [issue]
...Bug fixed by HADOOP-7811 broken by HADOOP-8562. Need to re-introduce the fix....
http://issues.apache.org/jira/browse/MAPREDUCE-6630    Author: Eric Badger, 2016-02-08, 19:19
[MAPREDUCE-6628] Potential memory leak in CryptoOutputStream - MapReduce - [issue]
...There is a potential memory leak in CryptoOutputStream.java.  It allocates two direct byte buffers (inBuffer and outBuffer) that get freed when close() method is called.  Most of t...
http://issues.apache.org/jira/browse/MAPREDUCE-6628    Author: Mariappan Asokan, 2016-02-08, 19:14
[MAPREDUCE-6631] shuffle handler would benefit from per-local-dir threads - MapReduce - [issue]
...Jason Lowe and I discussed this while investigating I/O starvation we have been seeing on our clusters lately (possibly amplified by increased tez workloads). If a particular disk is being s...
http://issues.apache.org/jira/browse/MAPREDUCE-6631    Author: Nathan Roberts, 2016-02-08, 18:38
[MAPREDUCE-6116] Start container with auxiliary service data race condition - MapReduce - [issue]
...This shares the same symptoms as MAPREDUCE-2947, which is supposedly fixed. The stack trace I ran into is very similar:Exception in thread "ContainerLauncher #1" java.lang.Error: org.apache....
http://issues.apache.org/jira/browse/MAPREDUCE-6116    Author: Andrew Or, 2016-02-08, 13:54
[MAPREDUCE-6626] Reuse objectMapper instance in MapReduce - MapReduce - [issue]
...Now in MapReduce, there are some places creating a new ObjectMapper instance every time. In wiki of ObjectMapper, it suggested:Further: it is beneficial to use just one instance (or small nu...
http://issues.apache.org/jira/browse/MAPREDUCE-6626    Author: Lin Yiqun, 2016-02-08, 10:22
[MAPREDUCE-6579] Test failure : TestNetworkedJob - MapReduce - [issue]
...From https://builds.apache.org/job/PreCommit-YARN-Build/9976/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient-jdk1.8.0_66.t...
http://issues.apache.org/jira/browse/MAPREDUCE-6579    Author: Rohith Sharma K S, 2016-02-08, 05:58
[MAPREDUCE-6608] Work Preserving AM Restart for MapReduce - MapReduce - [issue]
...Providing a framework for work preserving AM is achieved in YARN-1489.  We would like to take advantage of this for MapReduce(MR) applications.  There are some challenges which hav...
http://issues.apache.org/jira/browse/MAPREDUCE-6608    Author: Srikanth Sampath, 2016-02-07, 14:58
[MAPREDUCE-6110] JobHistoryServer CLI throws NullPointerException with job ids that do not exist - MapReduce - [issue]
...When using JobHistoryServer CLI to query a job id that does not exist on the server, it may throw NullPointerException sometimes. I tried "mapred job -events <some_wrong_jobId> 0 100",...
http://issues.apache.org/jira/browse/MAPREDUCE-6110    Author: Li Lu, 2016-02-05, 23:43
[MAPREDUCE-6607] .staging dir is not cleaned up if mapreduce.task.files.preserve.failedtask or mapreduce.task.files.preserve.filepattern are set - MapReduce - [issue]
...if either of the following configs are set, then .staging dir is not cleaned up: mapreduce.task.files.preserve.failedtask mapreduce.task.files.preserve.filepatternThe former was supposed to ...
http://issues.apache.org/jira/browse/MAPREDUCE-6607    Author: Maysam Yabandeh, 2016-02-05, 22:00
[MAPREDUCE-6424] Store MR counters as timeline metrics instead of event - MapReduce - [issue]
...In MAPREDUCE-6327, we make map/reduce counters get encoded from JobFinishedEvent as timeline events with counters details in JSON format. We need to store framework specific counters as metr...
http://issues.apache.org/jira/browse/MAPREDUCE-6424    Author: Junping Du, 2016-02-05, 19:25
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB