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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-8903) Uses ByteBuffer on heap or direct ByteBuffer according to used erasure coder in striping write
Date Fri, 04 Dec 2015 08:22:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng resolved HDFS-8903.
-----------------------------
    Resolution: Duplicate

> Uses ByteBuffer on heap or direct ByteBuffer according to used erasure coder in striping
write
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8903
>                 URL: https://issues.apache.org/jira/browse/HDFS-8903
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>
> We would choose ByteBuffer on heap or direct ByteBuffer according to used erasure coder
in striping write, for performance consideration. Pure Java implemented coder favors on heap
one, though native coder likes more direct one, avoiding data copy.



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