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Date: Fri, 5 Jun 2015 22:01:01 +0000 (UTC)
From: "Alan Boudreault (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Updated] (CASSANDRA-9558) Cassandra-stress regression in
 2.2
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     [ https://issues.apache.org/jira/browse/CASSANDRA-9558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Boudreault updated CASSANDRA-9558:
---------------------------------------
    Attachment: stress-2.2-java-driver-2.2+PATCH.log
                stress-2.2-java-driver-2.2.log

Here's the log of stress 2.2 with java driver 2.2 stock and with the patch to force protocole v2. There is an improvement but not comparable to the performance we had with 2.1

> 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
>         Attachments: 2.1.log, 2.2.log, CASSANDRA-9558-ProtocolV2.patch, stress-2.1-java-driver-2.0.9.2.log, stress-2.1-java-driver-2.2+PATCH.log, stress-2.1-java-driver-2.2.log, stress-2.2-java-driver-2.2+PATCH.log, stress-2.2-java-driver-2.2.log
>
>
> 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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