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Re: Porting MapReduce document to trunk - MapReduce - [mail # dev]
...I compiled the documents with the porting patches and uploaded them to  http://aajisaka.github.io/hadoop-project/ .I'll appreciate the patches will be reviewed and finally merged i...
   Author: Akira AJISAKA, 2014-03-14, 00:51
[MAPREDUCE-5718] MR AM should tolerate RM restart/failover during commit - MapReduce - [issue]
...While testing RM HA, we ran into this issue where if the RM fails over while an MR AM is in the middle of a commit, the subsequent AM gets spawned but dies with a diagnostic message - "We cr...
http://issues.apache.org/jira/browse/MAPREDUCE-5718    Author: Karthik Kambatla, 2014-03-13, 20:30
[MAPREDUCE-5553] Add task state filters on Application/MRJob page for MR Application master - MapReduce - [issue]
...On Job page of MR application master, the task attempts have a nice breakdown of different state: running, failed.... But for map/reduce task level, there's only one links to all tasks witho...
http://issues.apache.org/jira/browse/MAPREDUCE-5553    Author: Paul Han, 2014-03-13, 14:56
[MAPREDUCE-5110] Kill task early in case of long task launch delays - MapReduce - [issue]
...If a task takes too long to launch, the JT expires the task and schedules another attempt. The earlier attempt can start after the later attempt leading to two parallel attempts running at t...
http://issues.apache.org/jira/browse/MAPREDUCE-5110    Author: Karthik Kambatla, 2014-03-12, 18:44
[MAPREDUCE-5594] Combiner in mapred API gets only a dummy reporter - MapReduce - [issue]
...The OldCombinerRunner gets Reporter.NULL that doesn't really allow users to report progress from the combiner if they want to....
http://issues.apache.org/jira/browse/MAPREDUCE-5594    Author: Karthik Kambatla, 2014-03-12, 18:32
[MAPREDUCE-5338] Bring back mapred.child.ulimit - MapReduce - [issue]
...In MR1, a ulimit could be set for MapReduce child processes.  For parity, this would be good to have in MR2 as well....
http://issues.apache.org/jira/browse/MAPREDUCE-5338    Author: Sandy Ryza, 2014-03-12, 18:31
[MAPREDUCE-5750] Need ability to create ACL for viewing the listing of a job queue - MapReduce - [issue]
...We need a way to restrict the ability to see the list of jobs in a queue. Currently, the only queue ACLs available are acl_administer_queues, acl_administer_queue and acl_submit_applications...
http://issues.apache.org/jira/browse/MAPREDUCE-5750    Author: Alex Nastetsky, 2014-03-12, 14:34
[MAPREDUCE-5727] History server web page can filter without showing filter keyword - MapReduce - [issue]
...I loaded up a job conf page on the history server and used one of the search boxes to narrow the results.  I then navigated to other pages (e.g.: map tasks, logs, etc.) then navigated b...
http://issues.apache.org/jira/browse/MAPREDUCE-5727    Author: Jason Lowe, 2014-03-11, 21:31
[MAPREDUCE-3184] Improve handling of fetch failures when a tasktracker is not responding on HTTP - MapReduce - [issue]
...On a 100 node cluster, we had an issue where one of the TaskTrackers was hit by MAPREDUCE-2386 and stopped responding to fetches. The behavior observed was the following: every reducer would...
http://issues.apache.org/jira/browse/MAPREDUCE-3184    Author: Todd Lipcon, 2014-03-11, 17:34
[MAPREDUCE-5790] Default map hprof profile options do not work - MapReduce - [issue]
...I have an MR job doing the following:    Job job = Job.getInstance(conf);    // Enable profiling    job.setProfileEnabled(true);   &nbs...
http://issues.apache.org/jira/browse/MAPREDUCE-5790    Author: Andrew Wang, 2014-03-10, 23:24
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