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Hudson commented on ZOOKEEPER-427:
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Integrated in ZooKeeper-trunk #354 (See [http://hudson.zones.apache.org/hudson/job/ZooKeeper-trunk/354/])
> 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
> Assignee: Flavio Paiva Junqueira
> Priority: Blocker
> Fix For: 3.2.0
>
> Attachments: zk_quorum_recv_eof.patch, zoo.cfg, ZOOKEEPER-427.patch, 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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