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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2015/11/12 17:22:11 UTC

[jira] [Resolved] (CASSANDRA-8835) 100% CPU spikes from disruptor thrift server

     [ https://issues.apache.org/jira/browse/CASSANDRA-8835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Yeschenko resolved CASSANDRA-8835.
------------------------------------------
       Resolution: Won't Fix
         Assignee:     (was: Pavel Yaskevich)
    Reproduced In:   (was: 2.0.11)

> 100% CPU spikes from disruptor thrift server
> --------------------------------------------
>
>                 Key: CASSANDRA-8835
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8835
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: 2.0.11, hsha, JDK7u65, ~6,000 connections per machine
>            Reporter: Rick Branson
>
> Seeing big CPU spikes (to 100%) inside of the TDisruptorServer when running hsha. perf top loaded with JVM symbols shows this one floating to the top for anywhere between 15 and 90 seconds and then falling down:
> Lcom/thinkaurelius/thrift/TDisruptorServer$SelectorThread;.selectorIterationComplete in Lcom/thinkaurelius/thrift/TDisruptorServer$AbstractSelectorThread;.select



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