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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-975) explore upgrading CLHM
Date Wed, 09 Jun 2010 01:18:16 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12876915#action_12876915
] 

Jonathan Ellis commented on CASSANDRA-975:
------------------------------------------

... preferably one that demonstrates better performance than the version we're using now :)

> explore upgrading CLHM
> ----------------------
>
>                 Key: CASSANDRA-975
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-975
>             Project: Cassandra
>          Issue Type: Task
>            Reporter: Jonathan Ellis
>            Assignee: Matthew F. Dennis
>            Priority: Minor
>             Fix For: 0.8
>
>         Attachments: 0001-trunk-975.patch
>
>
> The new version should be substantially better "on large caches where many entries were
readon large caches where many entries were read," which is exactly what you see in our row
and key caches.
> http://code.google.com/p/concurrentlinkedhashmap/issues/detail?id=9
> Hopefully we can get Digg to help test, since they could reliably break CLHM when it
was buggy.

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