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[MAPREDUCE-2258] IFile reader closes stream and compressor in wrong order - MapReduce - [issue]
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...In IFile.Reader.close(), we return the decompressor to the pool and then call close() on the input stream. This is backwards and causes a rare race in the case of LzopCodec, since LzopInputS...
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http://issues.apache.org/jira/browse/MAPREDUCE-2258
Author: Todd Lipcon,
2011-11-15, 00:48
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[MAPREDUCE-3163] JobClient spews errors when killing MR2 job - MapReduce - [issue]
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...When I used the "hadoop job" command line to kill a running MR2 job, I got a bunch of error spew on the console, despite the kill actually taking effect....
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http://issues.apache.org/jira/browse/MAPREDUCE-3163
Author: Todd Lipcon,
2011-11-15, 00:48
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[MAPREDUCE-2740] MultipleOutputs in new API creates needless TaskAttemptContexts - MapReduce - [issue]
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...MultipleOutputs.write creates a new TaskAttemptContext, which we've seen to take a significant amount of CPU. The TaskAttemptContext constructor creates a JobConf, gets current UGI, etc. I d...
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http://issues.apache.org/jira/browse/MAPREDUCE-2740
Author: Todd Lipcon,
2011-11-15, 00:48
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Re: Understanding the MapOutput - MapReduce - [mail # dev]
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...Hi Pedro, It sounds like you're on the right track, but I don't really have time to help much beyond pointing you in the right direction. Time to put on your debugging hat :) Maybe do ...
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Author: Todd Lipcon,
2011-11-04, 18:27
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Re: Understanding the MapOutput - MapReduce - [mail # dev]
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...On Fri, Nov 4, 2011 at 10:04 AM, Pedro Costa wrote: Look at the code for MapOutputServlet - it uses the index mechanism to find a particular partition. Nope, it doesn't us...
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Author: Todd Lipcon,
2011-11-04, 17:25
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Re: Understanding the MapOutput - MapReduce - [mail # dev]
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...Hi Pedro, The format is called IFile. Check out the source for more info on the format - it's fairly simple. The partition starts are recorded in a separate index file next to the outp...
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Author: Todd Lipcon,
2011-11-04, 16:46
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[MAPREDUCE-3277] TestSeveral is failing in 0.23 - MapReduce - [issue]
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...Haven't looked into it yet, but TestSeveral has been failing in the 0.23 MR build since 10/24...
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http://issues.apache.org/jira/browse/MAPREDUCE-3277
Author: Todd Lipcon,
2011-11-04, 07:53
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Re: Hadoop-Mapreduce-trunk-Commit - Build # 1175 - Still Failing - MapReduce - [mail # dev]
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...For config management purposes: we also need libc6-dev-i386 for the 32-bit cross-compiles to work. -Todd On Fri, Oct 28, 2011 at 11:51 AM, giridharan kesavan wrote: 'm ####...
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Author: Todd Lipcon,
2011-11-01, 06:17
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[MAPREDUCE-2332] Improve error messages when MR dirs on local FS have bad ownership - MapReduce - [issue]
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...A common source of user difficulty on a secure cluster is understanding which paths should be owned by which users. The task log directory in particular is often missed, since it has to be o...
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http://issues.apache.org/jira/browse/MAPREDUCE-2332
Author: Todd Lipcon,
2011-10-31, 18:27
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[MAPREDUCE-2498] TestRaidShellFsck failing on trunk - MapReduce - [issue]
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...TestRaidShellFsck.testFileBlockAndParityBlockMissingHar2 has been failing the last several builds:Error Message: parity file not HARed after 40sjava.io.IOException: parity file not HARed aft...
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http://issues.apache.org/jira/browse/MAPREDUCE-2498
Author: Todd Lipcon,
2011-10-31, 04:58
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