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Date: Thu, 16 Feb 2012 13:30:00 +0000 (UTC)
From: "Thomas Graves (Assigned) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Assigned] (MAPREDUCE-3851) Allow more aggressive action on
 detection of the jetty issue
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-3851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Graves reassigned MAPREDUCE-3851:
----------------------------------------

    Assignee: Thomas Graves
    
> 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
>
>
> 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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