[jira] Commented: (CASSANDRA-975) explore upgrading CLHM

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12876914#action_12876914 ] 

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

it needs a stress test

> 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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