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https://issues.apache.org/jira/browse/MAPREDUCE-1523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dick King updated MAPREDUCE-1523:
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Attachment: mapreduce-1523--2010-02-24.patch
This patch solves a low-incidence [ 2 out of about 60,000 jobs, in one sample ]
bug where certain unusually formed counters prevented the job finish time from
being migrated into the nascent job trace.
The patch contains:
two lines of code for the bug
another two lines which may cause more informative error messages when
{{TraceBuilder}} runs off the rails for unanticipated reasons
44 lines of a new test in the rumen test case
a few K of test files
> Sometimes rumen trace generator fails to extract the job finish time.
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-1523
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1523
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Hong Tang
> Assignee: Dick King
> Attachments: mapreduce-1523--2010-02-24.patch
>
>
> We saw sometimes (not very often) that rumen may fail to extract the job
> finish time from Hadoop 0.20 history log.
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