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Posted to commits@cassandra.apache.org by "Ryan McGuire (JIRA)" <ji...@apache.org> on 2014/02/20 22:02:19 UTC
[jira] [Updated] (CASSANDRA-6746) Reads have a slow ramp up in
speed
[ https://issues.apache.org/jira/browse/CASSANDRA-6746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ryan McGuire updated CASSANDRA-6746:
------------------------------------
Since Version: 2.1 beta1
> Reads have a slow ramp up in speed
> ----------------------------------
>
> Key: CASSANDRA-6746
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6746
> Project: Cassandra
> Issue Type: Bug
> Reporter: Ryan McGuire
> Attachments: 2.1_vs_2.0_read.png
>
>
> On a physical four node cluister I am doing a big write and then a big read. The read takes a long time to ramp up to respectable speeds.
> !2.1_vs_2.0_read.png!
> [See data here|http://ryanmcguire.info/ds/graph/graph.html?stats=stats.2.1_vs_2.0_vs_1.2.retry1.json&metric=interval_op_rate&operation=stress-read&smoothing=1]
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