[jira] [Created] (HDFS-8904) Uses ByteBuffer on heap or direct ByteBuffer according to used erasure coder in striping recovery on DataNode side

[Kai Zheng (JIRA)]

Kai Zheng created HDFS-8904:
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             Summary: 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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