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https://issues.apache.org/jira/browse/MAPREDUCE-1309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dick King updated MAPREDUCE-1309:
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Attachment: demuxer-plus-concatenated-files--2010-01-11.patch
Line 143 of LoggedTaskAttempt.java was changed to read
this.hostName = hostName.intern();
which introduces a bug which breaks my test case. It fails when you read a
null hostName in a json string.
I added the fix to this patch instead of making a separate patch for that issue.
this.hostName = (hostName == null ? null :hostName.intern());
> I want to change the rumen job trace generator to use a more modular internal
> structure, to allow for more input log formats
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1309
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1309
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Dick King
> Assignee: Dick King
> Attachments: demuxer-plus-concatenated-files--2009-12-21.patch,
> demuxer-plus-concatenated-files--2010-01-06.patch,
> demuxer-plus-concatenated-files--2010-01-08-b.patch,
> demuxer-plus-concatenated-files--2010-01-08-c.patch,
> demuxer-plus-concatenated-files--2010-01-08-d.patch,
> demuxer-plus-concatenated-files--2010-01-08.patch,
> demuxer-plus-concatenated-files--2010-01-11.patch
>
>
> There are two orthogonal questions to answer when processing a job tracker
> log: how will the logs and the xml configuration files be packaged, and in
> which release of hadoop map/reduce were the logs generated? The existing
> rumen only has a couple of answers to this question. The new engine will
> handle three answers to the version question: 0.18, 0.20 and current, and two
> answers to the packaging question: separate files with names derived from the
> job ID, and concatenated files with a header between sections [used for
> easier file interchange].
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