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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-2386) TT jetty server stuck in tight loop around epoll_wait
Date Wed, 16 Mar 2011 04:57:29 GMT
TT jetty server stuck in tight loop around epoll_wait
-----------------------------------------------------

                 Key: MAPREDUCE-2386
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2386
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: tasktracker
    Affects Versions: 0.23.0
         Environment: RHEL 6.0 "Santiago"
            Reporter: Todd Lipcon


In some load testing, I got a TaskTracker into a state where its Jetty server is in a tight
loop calling epoll_wait, which is returning EINVAL:

[pid 19573] epoll_wait(157, 40829000, 8192, 0) = -1 EINVAL (Invalid argument)

It's not responding to any HTTP connections - connections are accepted and then just hang.

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