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Posted to commits@cassandra.apache.org by "Stefania (JIRA)" <ji...@apache.org> on 2015/05/14 08:54:00 UTC

[jira] [Updated] (CASSANDRA-8897) Remove FileCacheService, instead pooling the buffers

     [ https://issues.apache.org/jira/browse/CASSANDRA-8897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefania updated CASSANDRA-8897:
--------------------------------
    Attachment: snapshot-1431582436640-cpu-calltree-compression-trunk.nps
                snapshot-1431582436640-cpu-calltree-compression-8897.nps
                snapshot-1431582436640-cpu-backtraces.png

> Remove FileCacheService, instead pooling the buffers
> ----------------------------------------------------
>
>                 Key: CASSANDRA-8897
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8897
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Benedict
>            Assignee: Stefania
>             Fix For: 3.x
>
>         Attachments: snapshot-1431582436640-cpu-backtraces.png, snapshot-1431582436640-cpu-calltree-compression-8897.nps, snapshot-1431582436640-cpu-calltree-compression-trunk.nps
>
>
> After CASSANDRA-8893, a RAR will be a very lightweight object and will not need caching, so we can eliminate this cache entirely. Instead we should have a pool of buffers that are page-aligned.



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