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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4338) Experiment with direct buffer in SequentialWriter
Date Fri, 15 Jun 2012 17:07:43 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13295771#comment-13295771
] 

Jonathan Ellis commented on CASSANDRA-4338:
-------------------------------------------

Using direct buffers for RAR and CRAR may also help avoid heap fragmentation.
                
> Experiment with direct buffer in SequentialWriter
> -------------------------------------------------
>
>                 Key: CASSANDRA-4338
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4338
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Yuki Morishita
>            Priority: Minor
>             Fix For: 1.2
>
>
> Using a direct buffer instead of a heap-based byte[] should let us avoid a copy into
native memory when we flush the buffer.

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