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Posted to dev@bookkeeper.apache.org by "Robin Dhamankar (JIRA)" <ji...@apache.org> on 2013/06/07 15:30:21 UTC

[jira] [Commented] (BOOKKEEPER-563) Avoid Journal polluting page cache

    [ https://issues.apache.org/jira/browse/BOOKKEEPER-563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13678028#comment-13678028 ] 

Robin Dhamankar commented on BOOKKEEPER-563:
--------------------------------------------

Added the patch based as discussed
                
> Avoid Journal polluting page cache
> ----------------------------------
>
>                 Key: BOOKKEEPER-563
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-563
>             Project: Bookkeeper
>          Issue Type: Improvement
>            Reporter: Sijie Guo
>            Assignee: Robin Dhamankar
>             Fix For: 4.3.0
>
>         Attachments: BOOKKEEPER-563.diff
>
>
> writing data into journal which force the data in os buffer cache being used for hot reads, which could have negative affect on performance.
> similar solution is as CASSANDRA-1470.

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