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[MAPREDUCE-5037] JobControl logging when a job completes - MapReduce - [issue]
...JobControl emits logs, via the logging in Job.submit(), whenever a job is launched.  It would be nice if it also logged when active jobs it is tracking complete and their final status (...
http://issues.apache.org/jira/browse/MAPREDUCE-5037    Author: Jason Lowe, 2013-02-28, 17:07
[MAPREDUCE-4831] Task commit can occur more than once due to AM retries - MapReduce - [issue]
...If a task attempt begins committing but the AM crashes before the task attempt completes then we could end up having the task commit again when the AM is relaunched.  The subsequent AM ...
http://issues.apache.org/jira/browse/MAPREDUCE-4831    Author: Jason Lowe, 2013-02-27, 23:38
[MAPREDUCE-5000] TaskImpl.getCounters() can return the counters for the wrong task attempt when task is speculating - MapReduce - [issue]
...When a task is speculating and one attempt completes then sometimes the counters for the wrong attempt are aggregated into the total counters for the job.  The scenario looks like this:...
http://issues.apache.org/jira/browse/MAPREDUCE-5000    Author: Jason Lowe, 2013-02-14, 14:05
[MAPREDUCE-4982] AM hung with one pending map task - MapReduce - [issue]
...Saw a job that hung with one pending map task that never ran.  The task was in the SCHEDULED state with a single attempt that was in the UNASSIGNED state.  The AM looked like it wa...
http://issues.apache.org/jira/browse/MAPREDUCE-4982    Author: Jason Lowe, 2013-02-13, 02:00
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-4818] Easier identification of tasks that timeout during localization - MapReduce - [issue]
...When a task is taking too long to localize and is killed by the AM due to task timeout, the job UI/history is not very helpful.  The attempt simply lists a diagnostic stating it was kil...
http://issues.apache.org/jira/browse/MAPREDUCE-4818    Author: Jason Lowe, 2013-02-12, 20:57
[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
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