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[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
[MAPREDUCE-402] TaskTracker doesnt recheck job tracker version on reconnect - MapReduce - [issue]
...This isnt anything I have a test for/encountered, just something I noticed when reviewing TaskTracker.1. TaskTracker sets a justStarted flag to true when starting up2. One way it uses this f...
http://issues.apache.org/jira/browse/MAPREDUCE-402    Author: Steve Loughran, 2014-07-18, 21:04
[MAPREDUCE-2824] MiniMRCluster should have an idempotent shutdown - MapReduce - [issue]
...It looks on a quick skim-through that the org.apache.hadoop.mapred.MiniMRCluster class has nothing to stop a caller calling shutdown() more than once, with possible adverse consequences. Thi...
http://issues.apache.org/jira/browse/MAPREDUCE-2824    Author: Steve Loughran, 2014-07-18, 19:24
[MAPREDUCE-233] Integrate TaskTracker with the Service base class - MapReduce - [issue]
...Following on from the initial service patch, we need to bring TaskTracker into the fold. This separate issue  does this activity...
http://issues.apache.org/jira/browse/MAPREDUCE-233    Author: Steve Loughran, 2014-07-18, 18:48
[MAPREDUCE-5983] TestCommandLineJobSubmission assumes there is a /tmp dir that can be used for temp data - MapReduce - [issue]
...the test case in TestCommandLineJobSubmission assumes that it can create stuff in /tmp:File buildDir = new File(System.getProperty("test.build.data", "/tmp"));as well as being unix only, the...
http://issues.apache.org/jira/browse/MAPREDUCE-5983    Author: Steve Loughran, 2014-07-18, 18:43
[MAPREDUCE-505] StatusHttpServer should include hostname/port when bind fails - MapReduce - [issue]
...Just as server includes diagnostics on the host:port binding for a failed socket startup, we should catch and wrap any failure of jetty to start up with the same diagnostics....
http://issues.apache.org/jira/browse/MAPREDUCE-505    Author: Steve Loughran, 2014-07-18, 06:24
[MAPREDUCE-497] TaskTracker.addDiagnostics(String file, int num, String tag) could exit early if num==0 - MapReduce - [issue]
...When a TaskTracker job finishes,  taskFinished() is invoked. as part of its work it 1. loads in a conf option (that is not in hadoop-default, incidentally) , mapred.debug.out.lines...
http://issues.apache.org/jira/browse/MAPREDUCE-497    Author: Steve Loughran, 2014-07-18, 06:23
[MAPREDUCE-436] NPE in TaskRunner.run if hadoop.log.dir not set - MapReduce - [issue]
...I'm getting an NPE in TaskRunner.run, looks like it happens when the system property hadoop.log.dir is unset...
http://issues.apache.org/jira/browse/MAPREDUCE-436    Author: Steve Loughran, 2014-07-18, 06:16
[expand - 3 more] - Re: Moving to JDK7, JDK8 and new major releases - MapReduce - [mail # dev]
...Guava is a separate problem and I think we should have a separatediscussion "what can we do about guava"? That's more traumatic than a JDKupdate, I fear, as the guava releases care a lot les...
   Author: Steve Loughran, 2014-06-28, 15:39
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