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From "Alan Boudreault (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10407) Benchmark and evaluate CASSANDRA-8894 improvements
Date Fri, 02 Oct 2015 20:33:26 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14941719#comment-14941719
] 

Alan Boudreault commented on CASSANDRA-10407:
---------------------------------------------

[~Stefania] Here are all the graphs from our tests yesterday. I tested the 3.0.0-rc1 this
morning. As you already know, I've not been able to clearly demonstrate the improvement. All
tests have been run on a single node cluster (ec2, i2.4xlarge) 

Revisions:
* without path: a59be2693e33e899264bc29b37b669d4bb645a74
* with path: 6422e34769e42b4eef5d9c073301c9791e9ca8b2

without path - 64k readahead: http://riptano.github.io/cassandra_performance/graph_v5/graph.html?stats=10407%2Ftiny-readahead-64k.log&metric=op_rate&operation=2_user&smoothing=1&show_aggregates=true&xmin=0&xmax=209.11&ymin=0&ymax=74949.6
 
without patch - readhead disabled: http://riptano.github.io/cassandra_performance/graph_v5/graph.html?stats=10407%2Ftiny-no-readahead.log&metric=op_rate&operation=2_user&smoothing=1&show_aggregates=true&xmin=0&xmax=209.11&ymin=0&ymax=74949.6

with path - 64k readahead: http://riptano.github.io/cassandra_performance/graph_v5/graph.html?stats=10407%2Ftiny-with-path-64k-readahead.log&metric=op_rate&operation=2_user&smoothing=1&show_aggregates=true&xmin=0&xmax=209.11&ymin=0&ymax=74949.6

witht path - readahead disabled: http://riptano.github.io/cassandra_performance/graph_v5/graph.html?stats=10407%2Ftiny-with-path-no-readahead.log&metric=op_rate&operation=2_user&smoothing=1&show_aggregates=true&xmin=0&xmax=209.11&ymin=0&ymax=74949.6

3.0.0-rc1 64k readahead: http://riptano.github.io/cassandra_performance/graph_v5/graph.html?stats=10407%2Ftiny-3.0.0-rc1-64k-readahead.log&metric=op_rate&operation=2_user&smoothing=1&show_aggregates=true&xmin=0&xmax=209.11&ymin=0&ymax=74949.6

3.0.0-rc1 readahead disabled: http://riptano.github.io/cassandra_performance/graph_v5/graph.html?stats=10407%2Ftiny-3.0.0-rc1-no-readahead.log&metric=op_rate&operation=2_user&smoothing=1&show_aggregates=true&xmin=0&xmax=209.11&ymin=0&ymax=74949.6

 

> Benchmark and evaluate CASSANDRA-8894 improvements
> --------------------------------------------------
>
>                 Key: CASSANDRA-10407
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10407
>             Project: Cassandra
>          Issue Type: Test
>            Reporter: Aleksey Yeschenko
>            Assignee: Alan Boudreault
>             Fix For: 3.0.0 rc2
>
>
> The original ticket (CASSANDRA-8894) was committed to 3.0 alpha1 two months ago. We need
to get proper performance tests before GA.
> See [~benedict]'s [comment|https://issues.apache.org/jira/browse/CASSANDRA-8894?focusedCommentId=14631203&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14631203]
for more details.



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