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Re: [VOTE] Release hadoop-2.0.3-alpha - MapReduce - [mail # dev]
...+1 (non-binding)  - Verified checksums and signatures on src and binary tarballs - Built from source - Deployed pseudo-distributed cluster and ran some example jobs  Jason  On...
   Author: Jason Lowe, 2013-02-12, 23:56
[MAPREDUCE-4648] Diagnostics from AM are missing from job history - MapReduce - [issue]
...When a job fails during setup or commit, any diagnostics from the MapReduce ApplicationMaster are not available in the job history.  Currently the diagnostics for the job are collected ...
http://issues.apache.org/jira/browse/MAPREDUCE-4648    Author: Jason Lowe, 2013-02-12, 20:59
[MAPREDUCE-4704] TaskHeartbeatHandler misreports a ping timeout as a task timeout - MapReduce - [issue]
...When a task fails to ping within the hardcoded ping timeout of 5 minutes, TaskHeartbeatHandler logs a message reporting the wrong timeout value.  It reports a timeout of mapreduce.task....
http://issues.apache.org/jira/browse/MAPREDUCE-4704    Author: Jason Lowe, 2013-02-12, 20:58
[MAPREDUCE-4999] AM attempt ended up in ERROR state and generated history after node decommissioned - MapReduce - [issue]
...Saw a case where a job recorded history for an app attempt that ended up in the ERROR state after the node the AM was running on was decommissioned.  When the node was decommissioned, t...
http://issues.apache.org/jira/browse/MAPREDUCE-4999    Author: Jason Lowe, 2013-02-11, 16:07
[MAPREDUCE-4797] LocalContainerAllocator can loop forever trying to contact the RM - MapReduce - [issue]
...If LocalContainerAllocator has trouble communicating with the RM it can end up retrying forever if the nature of the error is not a YarnException.This can be particulary bad if the connectio...
http://issues.apache.org/jira/browse/MAPREDUCE-4797    Author: Jason Lowe, 2013-02-06, 17:05
[MAPREDUCE-4771] KeyFieldBasedPartitioner not partitioning properly when configured - MapReduce - [issue]
...Relative to Hadoop 0.20/1.x, KeyFieldBasedPartitioner is not distributing across partitions properly when configured.  This is related to the double-configure issue as described in HADO...
http://issues.apache.org/jira/browse/MAPREDUCE-4771    Author: Jason Lowe, 2013-02-06, 17:05
[MAPREDUCE-4666] JVM metrics for history server - MapReduce - [issue]
...It would be nice if the job history server provided the same JVM metrics via metrics2 that other Hadoop daemons are already providing....
http://issues.apache.org/jira/browse/MAPREDUCE-4666    Author: Jason Lowe, 2013-02-06, 17:05
[MAPREDUCE-4741] WARN and ERROR messages logged during normal AM shutdown - MapReduce - [issue]
...The ApplicationMaster is logging WARN and ERROR messages during normal shutdown, and some users are misinterpreting these as serious problems.  For example:2012-10-02 13:58:50,247 ERROR...
http://issues.apache.org/jira/browse/MAPREDUCE-4741    Author: Jason Lowe, 2013-02-06, 17:05
[MAPREDUCE-4733] Reducer can fail to make progress during shuffle if too many reducers complete consecutively - MapReduce - [issue]
...TaskAttemptListenerImpl implements getMapCompletionEvents by calling Job.getTaskAttemptCompletionEvents with the same fromEvent and maxEvents passed in from the reducer and then filtering th...
http://issues.apache.org/jira/browse/MAPREDUCE-4733    Author: Jason Lowe, 2013-02-06, 17:05
[MAPREDUCE-4730] AM crashes due to OOM while serving up map task completion events - MapReduce - [issue]
...We're seeing a repeatable OOM crash in the AM for a task with around 30000 maps and 3000 reducers.  Details to follow....
http://issues.apache.org/jira/browse/MAPREDUCE-4730    Author: Jason Lowe, 2013-02-06, 17:05
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