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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9558) Cassandra-stress regression in 2.2
Date Mon, 15 Jun 2015 03:22:01 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14585397#comment-14585397
] 

Jonathan Ellis commented on CASSANDRA-9558:
-------------------------------------------

I'm setting priority to Major because if push comes to shove we can release 2.2 and tell people
"use the 2.1 stress if you really need it."

> 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
>             Fix For: 2.2.0 rc2
>
>         Attachments: 2.1.log, 2.2.log, CASSANDRA-9558-2.patch, CASSANDRA-9558-ProtocolV2.patch,
atolber-CASSANDRA-9558-stress.tgz, atolber-trunk-driver-coalescing-disabled.txt, 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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