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[MAPREDUCE-5931] Validate SleepJob command line parameters - MapReduce - [issue]
...This is a minor issue per se. I had a typo in my script specifying a negative number of reducers for the SleepJob. It results in the exception that is far from the root cause, and appeared a...
http://issues.apache.org/jira/browse/MAPREDUCE-5931    Author: Gera Shegalov, 2014-08-30, 17:47
[MAPREDUCE-6037] webUI "descriptors" overwritten in Mini MR Cluster - MapReduce - [issue]
...Unlike in Hadoop1, Hadoop2 does not use web.xml for webUI. However, the programmatically set Guice descriptors overwrite each other, such that the last component to start ends up owning all ...
http://issues.apache.org/jira/browse/MAPREDUCE-6037    Author: Gera Shegalov, 2014-08-18, 06:44
[MAPREDUCE-6009] Map-only job with new-api runs wrong OutputCommitter when cleanup scheduled in a reduce slot - MapReduce - [issue]
...In branch 1 job commit is executed in a JOB_CLEANUP task that may run in either map or reduce slotin org.apache.hadoop.mapreduce.Job#setUseNewAPI there is a logic setting new-api flag only f...
http://issues.apache.org/jira/browse/MAPREDUCE-6009    Author: Gera Shegalov, 2014-07-28, 08:48
[MAPREDUCE-5952] LocalContainerLauncher#renameMapOutputForReduce incorrectly assumes a single dir for mapOutIndex - MapReduce - [issue]
...The javadoc comment for renameMapOutputForReduce incorrectly refers to a single map output directory, whereas this depends on LOCAL_DIRS.mapOutIndex should be set to subMapOutputFile.getOutp...
http://issues.apache.org/jira/browse/MAPREDUCE-5952    Author: Gera Shegalov, 2014-07-17, 14:45
[MAPREDUCE-5672] Provide optional RollingFileAppender for container log4j (syslog) - MapReduce - [issue]
...This JIRA is an alternative take on YARN-1130We propose providing an option of using a RollingFileAppender(RFA)-based implementation of container log appender as means of log size control vi...
http://issues.apache.org/jira/browse/MAPREDUCE-5672    Author: Gera Shegalov, 2014-07-16, 23:05
[MAPREDUCE-5970] Provide a boolean switch to enable MR-AM profiling - MapReduce - [issue]
...MR task profiling can be enabled with a simple switch mapreduce.task.profile=true. We can analogously have yarn.app.mapreduce.am.profile for MR-AM...
http://issues.apache.org/jira/browse/MAPREDUCE-5970    Author: Gera Shegalov, 2014-07-16, 06:22
[MAPREDUCE-5785] Derive task attempt JVM max heap size and io.sort.mb automatically from mapreduce.*.memory.mb - MapReduce - [issue]
...Currently users have to set 2 memory-related configs per Job / per task type.  One first chooses some container size map reduce.*.memory.mb and then a corresponding maximum Java hea...
http://issues.apache.org/jira/browse/MAPREDUCE-5785    Author: Gera Shegalov, 2014-07-14, 18:43
[MAPREDUCE-5875] Make Counter limits consistent across JobClient, MRAppMaster, and YarnChild - MapReduce - [issue]
...Currently, counter limits "mapreduce.job.counters.*" handled by org.apache.hadoop.mapreduce.counters.Limits are initialized asymmetrically: on the client side, and on the AM, job.xml is igno...
http://issues.apache.org/jira/browse/MAPREDUCE-5875    Author: Gera Shegalov, 2014-07-10, 20:07
[MAPREDUCE-5960] JobSubmitter's check whether job.jar is local is incorrect with no authority in job jar path. - MapReduce - [issue]
...$ mapred job -submit myjob.xml 2014-07-06 15:06:34.731 java[12120:1903] Unable to load realm info from SCDynamicStore14/07/06 15:06:34 WARN util.NativeCodeLoader: Unable to load native-hadoo...
http://issues.apache.org/jira/browse/MAPREDUCE-5960    Author: Gera Shegalov, 2014-07-07, 01:09
[MAPREDUCE-5932] Provide an option to use a dedicated reduce-side shuffle log - MapReduce - [issue]
...For reducers in large jobs our users cannot easily spot portions of the log associated with problems with their code. An example reducer with INFO-level logging generates ~3500 lines / ~700K...
http://issues.apache.org/jira/browse/MAPREDUCE-5932    Author: Gera Shegalov, 2014-07-03, 06:33
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