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From "Kihwal Lee (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3851) Allow more aggressive action on detection of the jetty issue
Date Fri, 10 Feb 2012 22:16:59 GMT
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
             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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