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https://issues.apache.org/jira/browse/CASSANDRA-10055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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vijay updated CASSANDRA-10055:
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Attachment: dstst-lcdn5.log
dstst-lcdn4.log
dstst-lcdn3.log
dstst-lcdn2.log
dstst-lcdn6.log
dstst-lcdn.log
js2.log
js3.log
js4.log
js5.log
js6.log
top-bHn1-6.log
top-bHn1-5.log
top-bHn1-4.log
top-bHn1-3.log
top-bHn1-2.log
js.log
top-bHn1.log
Attached : Jstack ,Top , dstat -lcdn out put for 6 node cassandra 2.1.8 cluster
> 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: Config
> Environment: Prod
> Reporter: vijay
> 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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