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From "Sammy Yu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-346) Improve the speed of RandomPartitioner comparator which will help flushing of BMT and compaction
Date Thu, 06 Aug 2009 01:49:14 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739867#action_12739867
] 

Sammy Yu commented on CASSANDRA-346:
------------------------------------

Looks good! 346-2.patch makes it even better.  

> Improve the speed of RandomPartitioner comparator which will help flushing of BMT and
compaction
> ------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-346
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-346
>             Project: Cassandra
>          Issue Type: Improvement
>    Affects Versions: 0.4
>            Reporter: Sammy Yu
>            Assignee: Sammy Yu
>             Fix For: 0.4
>
>         Attachments: 0001-Improved-RP-s-comparator-performance-to-help-BMT-imp.patch,
346-2.patch
>
>
> During our BMT import we found that the flushing process couldn't keep up with the incoming
data.  One of the bottlenecks was due to the sorting of decorated keys.

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