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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-10055) High CPU load for Cassandra 2.1.8
Date Fri, 30 Oct 2015 13:06:27 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-10055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko resolved CASSANDRA-10055.
-------------------------------------------
       Resolution: Not A Problem
    Fix Version/s:     (was: 2.1.x)

> High CPU load for Cassandra 2.1.8
> ---------------------------------
>
>                 Key: CASSANDRA-10055
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10055
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Configuration
>         Environment: Prod
>            Reporter: vijay
>              Labels: triaged
>         Attachments: dstst-lcdn.log, dstst-lcdn2.log, dstst-lcdn3.log, dstst-lcdn4.log,
dstst-lcdn5.log, dstst-lcdn6.log, js.log, js2.log, js3.log, js4.log, js5.log, js6.log, top-bHn1-2.log,
top-bHn1-3.log, top-bHn1-4.log, top-bHn1-5.log, top-bHn1-6.log, top-bHn1.log
>
>
> We are seeing High CPU Load about 80% to 100% in Cassandra 2.1.8 when doing Data ingest,
we did not had this issue in 2.0.x version of Cassandra
> we tested this in different Cloud platforms and results are same.
> CPU: Tested with M3 2xlarge AWS instances
> Ingest rate: Injecting 1 million Inserts each insert is of 1000bytes
> no other Operations are happening except inserts in Cassandra
> let me know if more info is needed.



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