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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-6726) Recycle CompressedRandomAccessReader/RandomAccessReader buffers independently of their owners, and move them off-heap when possible
Date Sun, 10 Aug 2014 14:28:11 GMT

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

Jonathan Ellis updated CASSANDRA-6726:
--------------------------------------

    Assignee:     (was: Lyuben Todorov)
     Summary: Recycle CompressedRandomAccessReader/RandomAccessReader buffers independently
of their owners, and move them off-heap when possible  (was: Recycle CRAR/RAR buffers independently
of their owners, and move them off-heap when possible)

> Recycle CompressedRandomAccessReader/RandomAccessReader 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
>            Priority: Minor
>              Labels: performance
>             Fix For: 3.0
>
>
> 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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