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From "Thomas Graves (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3851) Allow more aggressive action on detection of the jetty issue
Date Sat, 18 Feb 2012 15:08:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Graves updated MAPREDUCE-3851:
-------------------------------------

    Attachment: MAPREDUCE-3851.patch

exclude findbugs warning. test-patch output now matches branch-1.0 without this patch.


     [exec] -1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     +1 tests included.  The patch appears to include 6 new or modified tests.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     -1 findbugs.  The patch appears to introduce 10 new Findbugs (version 1.3.9)
warnings.

                
> Allow more aggressive action on detection of the jetty issue
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-3851
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3851
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 1.0.0
>            Reporter: Kihwal Lee
>            Assignee: Thomas Graves
>             Fix For: 1.1.0, 1.0.1
>
>         Attachments: MAPREDUCE-3851.patch, MAPREDUCE-3851.patch, MAPREDUCE-3851.patch
>
>
> MAPREDUCE-2529 added the useful failure detection mechanism. In this jira, I propose
we add a periodic check inside TT and configurable action to self-destruct. Blacklisting helps
but is not enough. Hung jetty still accepts connection and it takes very long time for clients
to fail out. Short jobs are delayed for hours because of this. This feature will be a nice
companion to MAPREDUCE-3184.

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