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Posted to mapreduce-issues@hadoop.apache.org by "Greg Roelofs (JIRA)" <ji...@apache.org> on 2011/01/04 21:32:51 UTC

[jira] Commented: (MAPREDUCE-2231) Blacklisted TT reset time should be configurable

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12977450#action_12977450 ] 

Greg Roelofs commented on MAPREDUCE-2231:
-----------------------------------------

Note that heuristic blacklisting doesn't work very well in the first place.  See MAPREDUCE-1966 for more info.

> Blacklisted TT reset time should be configurable
> ------------------------------------------------
>
>                 Key: MAPREDUCE-2231
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2231
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: jobtracker
>            Reporter: Bochun Bai
>         Attachments: MAPREDUCE-2231-v1.patch, MAPREDUCE-2231-v2.patch, MAPREDUCE-2231-v3.patch
>
>
> A TaskTracker in the blacklist will be reset to healthy state after a day.
> "after a day" should be configurable.

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