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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-6002) Avoid memory copy from direct buffer to heap while spilling to local disk
Date Wed, 24 Jan 2018 18:36:01 GMT

    [ https://issues.apache.org/jira/browse/DRILL-6002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338040#comment-16338040
] 

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

Github user asfgit closed the pull request at:

    https://github.com/apache/drill/pull/1058


> 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
>            Priority: Major
>              Labels: ready-to-commit
>             Fix For: 1.13.0
>
>
> 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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