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From 李福龙 <ggliful...@163.com>
Subject yarn resourcemanager 'IPC Parameter Sending Thread' stop
Date Thu, 14 Jul 2016 08:24:23 GMT

     Our hadoop version is hadoop2.2, using fairscheduler.
Recently, our hadoop cluster encountered one problem, which is our jobs are all stuck in prep
states, no running jobs;
We checked the yarn log file and didnot find any error output and any blocked job.
And then we used 'jstack' command to check resoucemanager process,found that 2 threads below
were missing, which is:
              IPC Parameter Sending Thread #0
              IPC Parameter Sending Thread #1

     We are confused about what happened and don't know how to solve the problem. Just need
your help! Looking forword for your reply!
 Thanks a lot!

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