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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8668) Erasure Coding: revisit buffer used for encoding and decoding.
Date Thu, 11 Aug 2016 02:17:22 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15416385#comment-15416385
] 

Kai Zheng commented on HDFS-8668:
---------------------------------

Thanks [~Sammi] for the great update! Could you add some test to trigger the direct ByteBuffer
path? +1 on the test.

> Erasure Coding: revisit buffer used for encoding and decoding.
> --------------------------------------------------------------
>
>                 Key: HDFS-8668
>                 URL: https://issues.apache.org/jira/browse/HDFS-8668
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Yi Liu
>            Assignee: SammiChen
>         Attachments: HDFS-8668-v1.patch, HDFS-8668-v2.patch, HDFS-8668-v3.patch, HDFS-8668-v4.patch,
HDFS-8668-v5.patch, HDFS-8668-v6.patch
>
>
> For encoding and decoding buffers, currently some places use java heap ByteBuffer,  some
use direct byteBUffer, and some use java byte array.  If the coder implementation is native,
we should use direct ByteBuffer. This jira is to  revisit all encoding/decoding buffers and
improve them.



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