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Posted to commits@cassandra.apache.org by "Chris Goffinet (JIRA)" <ji...@apache.org> on 2009/11/25 03:02:39 UTC

[jira] Updated: (CASSANDRA-581) RandomPartitioner convertFromDiskFormat is slow

     [ https://issues.apache.org/jira/browse/CASSANDRA-581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Goffinet updated CASSANDRA-581:
-------------------------------------

    Attachment: 0001-Make-convertFromDiskFormat-use-substring-over-split-.patch

> RandomPartitioner convertFromDiskFormat is slow
> -----------------------------------------------
>
>                 Key: CASSANDRA-581
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-581
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.5
>            Reporter: Chris Goffinet
>            Assignee: Chris Goffinet
>            Priority: Minor
>             Fix For: 0.5
>
>         Attachments: 0001-Make-convertFromDiskFormat-use-substring-over-split-.patch
>
>
> convertFromDiskFormat in RandomPartitioner is slow. It uses split. We were testing with 1000+ keys using multi-get on a local node. We saw on average 200ms~, with the applied patch it went down to 76ms~.

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