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From "Alan Boudreault (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9558) Cassandra-stress regression in 2.2
Date Fri, 05 Jun 2015 18:09:02 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14574945#comment-14574945
] 

Alan Boudreault commented on CASSANDRA-9558:
--------------------------------------------

I am currently bisecting this issue. We reproduced it on a c3.8xlarge cluster and it is currently
hard to reproduce locally.

> Cassandra-stress regression in 2.2
> ----------------------------------
>
>                 Key: CASSANDRA-9558
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9558
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Alan Boudreault
>            Priority: Blocker
>
> We are seeing some regression in performance when using cassandra-stress 2.2. You can
see the difference at this url:
> http://riptano.github.io/cassandra_performance/graph_v5/graph.html?stats=stress_regression.json&metric=op_rate&operation=1_write&smoothing=1&show_aggregates=true&xmin=0&xmax=108.57&ymin=0&ymax=168147.1
> The cassandra version of the cluster doesn't seem to have any impact. 
> //cc [~tjake] [~benedict]



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