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[MAPREDUCE-958] TT should bail out early when mapred.job.tracker is bound to 0:0:0:0 - MapReduce - [issue]
...It's OK for your job tracker's config to tells the JobTracker to come up on port 0:0:0:0, but its not OK for the TaskTrackers to get the same mapred.job.tracker configuration value, as it st...
http://issues.apache.org/jira/browse/MAPREDUCE-958    Author: Steve Loughran, 2014-07-24, 00:06
[MAPREDUCE-1603] Add a plugin class for the TaskTracker to determine available slots - MapReduce - [issue]
...Currently the #of available map and reduce slots is determined by the configuration. MAPREDUCE-922 has proposed working things out automatically, but that is going to depend a lot on the spe...
http://issues.apache.org/jira/browse/MAPREDUCE-1603    Author: Steve Loughran, 2014-07-23, 23:11
[MAPREDUCE-401] du fails on Ubuntu in TestJobHistory - MapReduce - [issue]
...TestJobHistory.testJobHistoryUserLogLocation is failing, and there is an error in the log related to du failing in the mini MR cluster...
http://issues.apache.org/jira/browse/MAPREDUCE-401    Author: Steve Loughran, 2014-07-22, 20:45
[MAPREDUCE-403] ProcessTree can try and kill a "null" PID - MapReduce - [issue]
...Saw this in a test run, while trying to shut down a TaskTracker[sf-startdaemon-debug] 09/05/07 16:42:42 [Map-events fetcher for all reduce tasks on tracker_morzine.hpl.hp.com:loc...
http://issues.apache.org/jira/browse/MAPREDUCE-403    Author: Steve Loughran, 2014-07-22, 20:24
[MAPREDUCE-422] TaskTracker directoryCleanupThread never gets terminated - MapReduce - [issue]
...When a task tracker starts its work it calls startCleanupThreads() to create a directoryCleanupThread.only, that thread is never terminated; it runs for the life of the process. It should be...
http://issues.apache.org/jira/browse/MAPREDUCE-422    Author: Steve Loughran, 2014-07-21, 17:26
[MAPREDUCE-1587] NPE in JobClient querying an (empty) queue - MapReduce - [issue]
...Getting a stack trace on a VM-hosted cluster with an empty queue. Thought maybe it was the -verbose option, but no, remove that and I still see it.java org.apache.hadoop.mapred.JobQueueClien...
http://issues.apache.org/jira/browse/MAPREDUCE-1587    Author: Steve Loughran, 2014-07-20, 14:34
[MAPREDUCE-404] NPE in text.encode when writing an invalid(?) JobProfile - MapReduce - [issue]
...I see an NPE in one of my tests in Text.encode(String), further up the stack is  JobProfile.write(), which appears to write a null user...
http://issues.apache.org/jira/browse/MAPREDUCE-404    Author: Steve Loughran, 2014-07-19, 00:45
[MAPREDUCE-593] org.apache.hadoop.streaming.TestUlimit fails on JRockit 64-bit; not enough memory - MapReduce - [issue]
...the testUlimit test sets a memory limit that is too small for Java to start. So it fails with a -1 response instead, which breaks the test....
http://issues.apache.org/jira/browse/MAPREDUCE-593    Author: Steve Loughran, 2014-07-18, 23:39
[MAPREDUCE-2822] TaskTracker.offerService could handle IO and Remote Exceptions better - MapReduce - [issue]
...The core offerService() loop has a try/catch wrapper that catches and processes exceptions. Most cause offerService() to return, which then triggers a sleep and restart in the main loop. But...
http://issues.apache.org/jira/browse/MAPREDUCE-2822    Author: Steve Loughran, 2014-07-18, 23:16
[MAPREDUCE-500] Clean up the JobTracker code - MapReduce - [issue]
...My IDE flags a lot of trouble in the JobTracker code, but I dont want to mix those changes with any lifecycle changes. After doing that, then I'd like to clean up the code in JobTracker-move...
http://issues.apache.org/jira/browse/MAPREDUCE-500    Author: Steve Loughran, 2014-07-18, 21:05
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