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[MAPREDUCE-2301] TestDataDrivenDBInputFormat fails if port 9001 is occupied - MapReduce - [issue]
...If you have any process listening on port 9001 (the default hsqldb port) then TestDataDrivenDBInputFormat will fail with:Connection is broken: java.io.EOFExceptionjava.sql.SQLException: Conn...
http://issues.apache.org/jira/browse/MAPREDUCE-2301    Author: Todd Lipcon, 2012-01-30, 13:42
[MAPREDUCE-3210] Support delay scheduling for node locality in MR2's capacity scheduler - MapReduce - [issue]
...The capacity scheduler in MR2 doesn't support delay scheduling for achieving node-level locality. So, jobs exhibit poor data locality even if they have good rack locality. Especially on clus...
http://issues.apache.org/jira/browse/MAPREDUCE-3210    Author: Todd Lipcon, 2012-01-03, 15:35
[MAPREDUCE-3169] Create a new MiniMRCluster equivalent which only provides client APIs cross MR1 and MR2 - MapReduce - [issue]
...Many dependent projects like HBase, Hive, Pig, etc, depend on MiniMRCluster for writing tests. Many users do as well. MiniMRCluster, however, exposes MR implementation details like the exist...
http://issues.apache.org/jira/browse/MAPREDUCE-3169    Author: Todd Lipcon, 2011-12-28, 10:03
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
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