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Re: Performance of direct vs indirect shuffling - MapReduce - [mail # user]
...The advantages of the "pull" based shuffle is fault tolerance - if you shuffle to the reducer and then the reducer dies, you have to rerun *all* of the earlier maps in the "push" model. &nbs...
   Author: Todd Lipcon, 2011-12-21, 00:53
[MAPREDUCE-1481] Streaming should swallow IOExceptions when closing clientOut - MapReduce - [issue]
...in PipeMapRed.mapRedFinished, streaming flushes and closes clientOut_, the handle to the subprocess's stdin. If the subprocess has already exited or closed its stdin, this will generate a Br...
http://issues.apache.org/jira/browse/MAPREDUCE-1481    Author: Todd Lipcon, 2011-12-20, 14:21
Re: Tasktracker Task Attempts Stuck (mapreduce.task.timeout not working) - MapReduce - [mail # user]
...On Mon, Dec 19, 2011 at 7:29 PM, rajesh balamohan w rote:  M  Yep, this one that Rajesh mentions is a RHEL 6 bug: https://bugzilla.redhat.com/show_bug.cgi?id=750419 We can reproduc...
   Author: Todd Lipcon, 2011-12-20, 04:08
[MAPREDUCE-2574] Force entropy to come from non-true random for tests - MapReduce - [issue]
...Same as HADOOP-7335 but for MR...
http://issues.apache.org/jira/browse/MAPREDUCE-2574    Author: Todd Lipcon, 2011-12-16, 12:26
Re: Deploy problem: mvn package -Pdist -Dtar -DskipTests hangs up - MapReduce - [mail # dev]
...I think this is just that the javadoc generation for the generated protobufs takes so long it appears to be frozen. i've been using -Dmaven.javadoc.skip to work around it for now - there's a...
   Author: Todd Lipcon, 2011-12-15, 00:39
Fwd: Hadoop-Mapreduce-trunk-Commit - Build # 1437 - Still Failing - MapReduce - [mail # dev]
...Is anyone working on this? Been failing a few days and my inbox is sad :(  -Todd  From: Apache Jenkins Server  Date: Tue, Dec 13, 2011 at 10:46 AM Subject: Hadoop-Mapreduce-tr...
   Author: Todd Lipcon, 2011-12-13, 18:48
[MAPREDUCE-2445] TestMiniMRWithDFSWithDistinctUsers is very broken - MapReduce - [issue]
...This test has a number of issues: it side steps the normal job submission API for no apparent reason, manually writing splits file and uploading submission files. (but forgets to upload the ...
http://issues.apache.org/jira/browse/MAPREDUCE-2445    Author: Todd Lipcon, 2011-12-12, 06:20
[MAPREDUCE-2234] If Localizer can't create task log directory, it should fail on the spot - MapReduce - [issue]
...Currently, it simply emits a warning. Then, when the taskjvm.sh tries to pipe its output into this directory, it fails with a strange error code like "exit code: 1" which is not intuitive to...
http://issues.apache.org/jira/browse/MAPREDUCE-2234    Author: Todd Lipcon, 2011-12-12, 06:20
[MAPREDUCE-2284] TestLocalRunner.testMultiMaps times out - MapReduce - [issue]
...This test has timed out in a number of Hudson builds....
http://issues.apache.org/jira/browse/MAPREDUCE-2284    Author: Todd Lipcon, 2011-12-12, 06:20
[MAPREDUCE-2315] javadoc is failing in nightly - MapReduce - [issue]
...Last nightly build failed to publish javadoc because the javadoc build failed:javadoc:    [mkdir] Created dir: /grid/0/hudson/hudson-slave/workspace/Hadoop-Mapreduce-2...
http://issues.apache.org/jira/browse/MAPREDUCE-2315    Author: Todd Lipcon, 2011-12-12, 06:19
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