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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-6726) Recycle CRAR/RAR buffers independently of their owners, and move them off-heap when possible
Date Wed, 19 Feb 2014 11:01:19 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-6726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benedict updated CASSANDRA-6726:
--------------------------------

    Description: Whilst CRAR and RAR are pooled, we could and probably should pool the buffers
independently, so that they are not tied to a specific sstable. It may be possible to move
the RAR buffer off-heap, and the CRAR sometimes (e.g. Snappy may possibly support off-heap
buffers)  (was: It seems like this should be a reasonably easy and quick win.)
     Issue Type: Improvement  (was: Bug)
        Summary: Recycle CRAR/RAR buffers independently of their owners, and move them off-heap
when possible  (was: Recycle CompressedRandomAccessReader and RandomAccessReader buffers,
and move them off-heap)

> Recycle CRAR/RAR buffers independently of their owners, and move them off-heap when possible
> --------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6726
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6726
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Benedict
>            Assignee: Benedict
>            Priority: Minor
>             Fix For: 2.1
>
>
> Whilst CRAR and RAR are pooled, we could and probably should pool the buffers independently,
so that they are not tied to a specific sstable. It may be possible to move the RAR buffer
off-heap, and the CRAR sometimes (e.g. Snappy may possibly support off-heap buffers)



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