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Posted to mapreduce-issues@hadoop.apache.org by "Ahmed Radwan (JIRA)" <ji...@apache.org> on 2012/07/23 22:09:35 UTC

[jira] [Commented] (MAPREDUCE-1966) Fix tracker blacklisting

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13420928#comment-13420928 ] 

Ahmed Radwan commented on MAPREDUCE-1966:
-----------------------------------------

This change seems to be already pushed to branch-1.0, I think we can close this ticket.

{code}
commit 2670ab9a04634773659a471f42d9431ef71944cc
Author: Owen O'Malley <om...@apache.org>
Date:   Fri Mar 4 04:33:31 2011 +0000

    commit 6939f6854b330a01cc4427f4c657df0c3c4d53ab
    Author: Arun C Murthy <ac...@apache.org>
    Date:   Fri Jul 23 15:39:49 2010 -0700

        MAPREDUCE-1966. Change blacklisting of tasktrackers on task failures to be a simple graylist to fingerpoint bad tasktrackers. Contributed by Gre$

        +++ b/YAHOO-CHANGES.txt
        +    MAPREDUCE-1966. Change blacklisting of tasktrackers on task failures to be
        +    a simple graylist to fingerpoint bad tasktrackers. (Greg Roelofs via
        +    acmurthy)
        +


    git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-security-patches@1077596 13f79535-47bb-0310-9956-ffa450edef68
{code}
                
> Fix tracker blacklisting 
> -------------------------
>
>                 Key: MAPREDUCE-1966
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1966
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>            Reporter: Arun C Murthy
>            Assignee: Greg Roelofs
>         Attachments: MR-1966.v1.trunk-hadoop-mapreduce.patch, MR-1966.v2.trunk-hadoop-mapreduce.patch.txt
>
>
> The current heuristic of rolling up fixed number of job failures per tracker isn't working well, we need better design/heuristics.

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