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[MAPREDUCE-403] ProcessTree can try and kill a "null" POD - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-403
Author: Steve Loughran,
2010-04-29, 08:06
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[MAPREDUCE-402] TaskTracker doesnt recheck job tracker version on reconnect - MapReduce - [issue]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-402
Author: Steve Loughran,
2010-04-29, 08:06
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Re: how to know which cpu is bound when a given task is run - MapReduce - [mail # dev]
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...Arun C Murthy wrote: There's nothing in the java process execution API calls to set CPU affinity. It's been in WinNT for a while, got added to Linux in 2.5 kernel. The sche...
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Author: Steve Loughran,
2010-01-22, 11:36
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branching mapred - MapReduce - [mail # dev]
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...I've created a little branch where I've synced up my lifecycle-aware services with the moved bits http://svn.apache.org/viewvc/hadoop/mapreduce/branches/MAPREDUCE-233/ Chri...
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Author: Steve Loughran,
2009-09-15, 16:31
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Re: InterruptedException - MapReduce - [mail # dev]
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...Owen O'Malley wrote: here are the ones that surface at startup https://issues.apache.org/jira/browse/HADOOP-6220 https://issues.apache.org/jira/browse/HADOOP-6221 It would be goo...
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Author: Steve Loughran,
2009-08-27, 12:09
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Re: InterruptedException - MapReduce - [mail # dev]
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...Owen O'Malley wrote: I can see the appeal of an InterruptedIOException that extends IOException, but its really just damage limitation. Changing the signatures would be bet...
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Author: Steve Loughran,
2009-08-27, 10:41
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Re: InterruptedException - MapReduce - [mail # dev]
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...Chris K Wensel wrote: I havent' seen those. As owen says, swallowing interruptions is naughty, I don't know what the hadoop-wide policy is on processing them; something to ...
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Author: Steve Loughran,
2009-08-26, 15:15
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Re: InterruptedException - MapReduce - [mail # dev]
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...Owen O'Malley wrote: I draw your attention to this bit of startup code in JobTracker try { Thread.sleep(FS_ACCESS_RETRY_PERIOD); ...
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Author: Steve Loughran,
2009-08-26, 11:48
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