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Posted to commits@cassandra.apache.org by "Pavel Yaskevich (JIRA)" <ji...@apache.org> on 2011/04/29 02:02:03 UTC

[jira] [Updated] (CASSANDRA-2578) stress performance is artificially limited

     [ https://issues.apache.org/jira/browse/CASSANDRA-2578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pavel Yaskevich updated CASSANDRA-2578:
---------------------------------------

    Attachment: CASSANDRA-2578.patch

caching generateValues in Inserter/IndexedRangeSlicer. Patch against trunk but can be applied to cassandra-0.8 without any problem.

> stress performance is artificially limited
> ------------------------------------------
>
>                 Key: CASSANDRA-2578
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2578
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>    Affects Versions: 0.8 beta 1
>            Reporter: Brandon Williams
>            Assignee: Pavel Yaskevich
>         Attachments: CASSANDRA-2578.patch
>
>
> With stress I only get about 7k inserts/s against a single server, and the load and cpu usage from stress is higher than the server.  Pystress gets 15-20k inserts/s against the same machine.  Stress isn't cpu-limited however, so there must be something else holding it back.

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