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https://issues.apache.org/jira/browse/HDFS-8904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kai Zheng resolved HDFS-8904.
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Resolution: Duplicate
> Uses ByteBuffer on heap or direct ByteBuffer according to used erasure coder
> in striping recovery on DataNode side
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-8904
> URL: https://issues.apache.org/jira/browse/HDFS-8904
> 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 recovery in DataNode side like the work to do in
> client side, for performance consideration.
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