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https://issues.apache.org/jira/browse/ZOOKEEPER-427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715723#action_12715723
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Satish Bhatti commented on ZOOKEEPER-427:
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oops! Sorry, Mahadev, I already bounced that zookeeper server, (it's a
production server, so I didn't want to leave it flapping for too long) and
it's been behaving well since. If I can reproduce the problem I will run
strace as you have suggested.
> ZooKeeper server unexpectedly high CPU utilisation
> --------------------------------------------------
>
> Key: ZOOKEEPER-427
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-427
> Project: Zookeeper
> Issue Type: Bug
> Affects Versions: 3.1.1
> Environment: Linux: 2.6.18-92.1.18.el5 #1 SMP Wed Nov 12 09:19:49 EST
> 2008 x86_64 x86_64 x86_64 GNU/Linux
> java version "1.6.0_03"
> Java(TM) SE Runtime Environment (build 1.6.0_03-b05)
> Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_03-b05, mixed mode)
> Reporter: Satish Bhatti
> Attachments: zoo.cfg, zookeeper-jstack.log, zookeeper.log
>
>
> I am running a 5 node ZooKeeper cluster and I noticed that one of them has
> very high CPU usage:
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 6883 infact 22 0 725m 41m 4188 S 95 0.5
> 5671:54 java
> It is not "doing anything" application-wise at this point, so I was wondering
> why the heck it's using up so much CPU.
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