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Posted to mapreduce-issues@hadoop.apache.org by "Chen He (JIRA)" <ji...@apache.org> on 2014/05/13 22:07:16 UTC
[jira] [Commented] (MAPREDUCE-5002) AM could potentially allocate a
reduce container to a map attempt
[ https://issues.apache.org/jira/browse/MAPREDUCE-5002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13996836#comment-13996836 ]
Chen He commented on MAPREDUCE-5002:
------------------------------------
Is this JIRA fixed? If so, could we close it?
> AM could potentially allocate a reduce container to a map attempt
> -----------------------------------------------------------------
>
> Key: MAPREDUCE-5002
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5002
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am
> Affects Versions: 2.0.3-alpha, 0.23.7
> Reporter: Jason Lowe
>
> As discussed in MAPREDUCE-4982, after MAPREDUCE-4893 it is theoretically possible for the AM to accidentally assign a reducer container to a map attempt if the AM doesn't find a reduce attempt actively looking for the container (e.g.: the RM accidentally allocated too many reducer containers).
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