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[MAPREDUCE-4058] adjustable task priority - MapReduce - [issue]
...For those of us that completely destroy our CPUs, it is beneficial to be able to run user tasks at a different priority than the tasktracker. This would allow for TTs (and by extension, DNs)...
http://issues.apache.org/jira/browse/MAPREDUCE-4058    Author: Allen Wittenauer, 2014-07-17, 16:05
[MAPREDUCE-4085] Kill task attempts longer than a configured queue max time - MapReduce - [issue]
...For some environments, it is desirable to have certain queues have an SLA with regards to task turnover.  (i.e., a slot will be free in X minutes and scheduled to the appropriate job) &...
http://issues.apache.org/jira/browse/MAPREDUCE-4085    Author: Allen Wittenauer, 2014-07-17, 16:04
[MAPREDUCE-5556] mapred docs have incorrect classpath - MapReduce - [issue]
...http://hadoop.apache.org/docs/stable/mapred_tutorial.htmlThe classpath for javac under the "Usage" section is incorrect....
http://issues.apache.org/jira/browse/MAPREDUCE-5556    Author: Allen Wittenauer, 2013-10-03, 18:57
[MAPREDUCE-5458] Jobhistory server (and probably others) throws HTTP 500 error if keytab fails - MapReduce - [issue]
...I had a situation where the job history didn't renew its kerberos credentials (still verifying that problem).  If a user connects to the web UI at a point when the server can't talk to ...
http://issues.apache.org/jira/browse/MAPREDUCE-5458    Author: Allen Wittenauer, 2013-08-14, 21:56
[MAPREDUCE-2508] vaidya script uses the wrong path for vaidya jar due to jar renaming - MapReduce - [issue]
...This clearly wasn't tested in 203....
http://issues.apache.org/jira/browse/MAPREDUCE-2508    Author: Allen Wittenauer, 2012-05-29, 18:50
[MAPREDUCE-1391] mapred.jobtracker.restart.recover should be true by default - MapReduce - [issue]
...I haven't played with it much (about to), but is there a reason why jt recover is false by default?  ...
http://issues.apache.org/jira/browse/MAPREDUCE-1391    Author: Allen Wittenauer, 2012-05-08, 03:59
[MAPREDUCE-3824] Distributed caches are not removed properly - MapReduce - [issue]
...Distributed caches are not being properly removed by the TaskTracker when they are expected to be expired....
http://issues.apache.org/jira/browse/MAPREDUCE-3824    Author: Allen Wittenauer, 2012-04-05, 18:42
[MAPREDUCE-2484] divideAndCeil should not use LOG.info or have a more meaningful message - MapReduce - [issue]
...divideAndCeil has LOG.info("divideAndCeil called with a=" + a + " b=" + b);which should either be a debug message or something more meaningful if it really needs to be LOG.info....
http://issues.apache.org/jira/browse/MAPREDUCE-2484    Author: Allen Wittenauer, 2011-12-27, 09:06
[HDFS-829] hdfsJniHelper.c: #include <error.h> is not portable - MapReduce - [issue]
...hdfsJniHelper.c includes <error.h> but this appears to be unnecessary, since even under Linux none of the routines that are prototyped are used.  Worse yet, error.h doesn't appear...
http://issues.apache.org/jira/browse/HDFS-829    Author: Allen Wittenauer, 2011-12-12, 06:19
[MAPREDUCE-1118] Capacity Scheduler scheduling information is hard to read / should be tabular format - MapReduce - [issue]
...The scheduling information provided by the capacity scheduler is extremely hard to read on the job tracker web page.  Instead of just flat text, it should be presenting the information ...
http://issues.apache.org/jira/browse/MAPREDUCE-1118    Author: Allen Wittenauer, 2011-12-12, 06:18
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