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From "Todd Lipcon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3851) Allow more aggressive action on detection of the jetty issue
Date Thu, 16 Feb 2012 17:35:01 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13209523#comment-13209523
] 

Todd Lipcon commented on MAPREDUCE-3851:
----------------------------------------

Gotcha - you're correct that 3184 doesn't handle the broken acceptor issue. Have you seen
this a lot in production? We run into JETTY-937 a lot, but haven't seen the broken acceptors
in 6.1.26.
                
> 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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