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Posted to common-dev@hadoop.apache.org by "Andrew McNabb (JIRA)" <ji...@apache.org> on 2007/01/30 19:07:33 UTC
[jira] Reopened: (HADOOP-960) Incorrect number of map tasks when
there are multiple input files
[ https://issues.apache.org/jira/browse/HADOOP-960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew McNabb reopened HADOOP-960:
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This is now a feature request instead of a bug.
> Incorrect number of map tasks when there are multiple input files
> -----------------------------------------------------------------
>
> Key: HADOOP-960
> URL: https://issues.apache.org/jira/browse/HADOOP-960
> Project: Hadoop
> Issue Type: Bug
> Affects Versions: 0.10.1
> Reporter: Andrew McNabb
>
> This problem happens with hadoop-streaming and possibly elsewhere. If there are 5 input files, it will create 130 map tasks, even if mapred.map.tasks=128. The number of map tasks is incorrectly set to a multiple of the number of files. (I wrote a much more complete bug report, but Jira lost it when it had an error, so I'm not in the mood to write it all again)
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