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Posted to issues@drill.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/01/08 23:53:00 UTC

[jira] [Commented] (DRILL-6002) Avoid memory copy from direct buffer to heap while spilling to local disk

    [ https://issues.apache.org/jira/browse/DRILL-6002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317366#comment-16317366 ] 

ASF GitHub Bot commented on DRILL-6002:
---------------------------------------

Github user vrozov commented on the issue:

    https://github.com/apache/drill/pull/1058
  
    @paul-rogers Please review


> Avoid memory copy from direct buffer to heap while spilling to local disk
> -------------------------------------------------------------------------
>
>                 Key: DRILL-6002
>                 URL: https://issues.apache.org/jira/browse/DRILL-6002
>             Project: Apache Drill
>          Issue Type: Improvement
>            Reporter: Vlad Rozov
>            Assignee: Vlad Rozov
>
> When spilling to a local disk or to any file system that supports WritableByteChannel it is preferable to avoid copy from off-heap to java heap as WritableByteChannel can work directly with the off-heap memory.  



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