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[MAPREDUCE-5847] Remove redundant code for fileOutputByteCounter in MapTask and ReduceTask - MapReduce - [issue]
...Both MapTask and ReduceTask carry redundant code to update BYTES_WRITTEN counter. However, Task.updateCounters uses file system stats for this....
http://issues.apache.org/jira/browse/MAPREDUCE-5847    Author: Gera Shegalov, 2014-04-19, 00:24
[MAPREDUCE-5839] Provide a boolean switch to enable LazyOutputFormat - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5839    Author: Gera Shegalov, 2014-04-17, 06:02
[MAPREDUCE-4834] LinuxTaskController DELETE_AS_USER should try to delete as many paths as possible - MapReduce - [issue]
...When task-controller.c:delete_path iterates inodes in a directory tree, it may encounter a deletion failure. However, other directories/files may well be deletable, and the tree walk should ...
http://issues.apache.org/jira/browse/MAPREDUCE-4834    Author: Gera Shegalov, 2014-04-15, 19:34
[MAPREDUCE-5815] Fix NPE in TestMRAppMaster - MapReduce - [issue]
...Working MAPREDUCE-5813 I stumbled on NPE's in TestMRAppMaster. They seem to be introduced by MAPREDUCE-5805....
http://issues.apache.org/jira/browse/MAPREDUCE-5815    Author: Gera Shegalov, 2014-04-11, 16:00
[MAPREDUCE-5825] Provide diagnostics for reducers killed during ramp down - MapReduce - [issue]
...Since we operate many queues pretty much at their capacity it some times happens that a failed mapper causes a reducer ramp down. However, the user can only see "Container killed by the Appl...
http://issues.apache.org/jira/browse/MAPREDUCE-5825    Author: Gera Shegalov, 2014-04-11, 16:00
[MAPREDUCE-5773] Provide dedicated MRAppMaster syslog length limit - MapReduce - [issue]
...Currently mapreduce.task.userlog.limit.kb controls both the length of task attempt logs and MA-AM attempt logs. Obviously, MR-AM log is not userlog.We are interested in keeping MR-AM log eit...
http://issues.apache.org/jira/browse/MAPREDUCE-5773    Author: Gera Shegalov, 2014-04-10, 14:11
[MAPREDUCE-5754] Preserve Job diagnostics in history - MapReduce - [issue]
...History does not store the runtime diagnostics information. JobHistoryParser tries to blame a task. We propose to preserve the original runtime diagnostics that covers all the cases includin...
http://issues.apache.org/jira/browse/MAPREDUCE-5754    Author: Gera Shegalov, 2014-04-10, 14:11
Re: [VOTE] Release Apache Hadoop 2.4.0 - MapReduce - [mail # dev]
...I built the release from the rc tag, enabled timeline history service andran a sleep job on a pseudo-distributed cluster.I encourage another rc, for 2.4.0 (non-binding)1) Despite the discuss...
   Author: Gera Shegalov, 2014-04-05, 00:06
[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, 2014-04-04, 17:59
[MAPREDUCE-5814] fat jar with *-default.xml may fail when mapreduce.job.classloader=true. - MapReduce - [issue]
...We faced a failure when a job.jar compiled against 0.20+ hadoop artifacts had to run with mapreduce.job.classloader=true because it needed a more recent guava as a dependency. The job failed...
http://issues.apache.org/jira/browse/MAPREDUCE-5814    Author: Gera Shegalov, 2014-03-31, 20:41
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