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[MAPREDUCE-4085] Kill task attempts longer than a configured queue max time
...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) &...
, 2014-07-17, 16:04
[MAPREDUCE-5458] Jobhistory server (and probably others) throws HTTP 500 error if keytab fails
...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 ...
, 2013-08-14, 21:56
[MAPREDUCE-2508] vaidya script uses the wrong path for vaidya jar due to jar renaming
...This clearly wasn't tested in 203....
, 2012-05-29, 18:50
[MAPREDUCE-1391] mapred.jobtracker.restart.recover should be true by default
...I haven't played with it much (about to), but is there a reason why jt recover is false by default? ...
, 2012-05-08, 03:59
[MAPREDUCE-3824] Distributed caches are not removed properly
...Distributed caches are not being properly removed by the TaskTracker when they are expected to be expired....
, 2012-04-05, 18:42
[MAPREDUCE-2484] divideAndCeil should not use LOG.info or have a more meaningful message
...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....
, 2011-12-27, 09:06
[HDFS-829] hdfsJniHelper.c: #include <error.h> is not portable
...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...
, 2011-12-12, 06:19
[MAPREDUCE-1118] Capacity Scheduler scheduling information is hard to read / should be tabular format
...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 ...
, 2011-12-12, 06:18
[MAPREDUCE-1187] mradmin -refreshNodes should be implemented
...dfsadmin -refreshNodes re-reads the include/exclude files for the HDFS, triggers decommisions, etc. The MapReduce framework should have similar functionality using the same parameter t...
, 2011-11-03, 16:54
[MAPREDUCE-3334] TaskRunner should log its activities
...TaskRunner has little to no information that it logs, making it impossible to debug when something goes wrong....
, 2011-11-02, 19:03
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