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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5178) DataTransferProtocol changes for supporting mutiple storages per DN
Date Tue, 10 Sep 2013 11:05:54 GMT
Junping Du created HDFS-5178:
--------------------------------

             Summary: DataTransferProtocol changes for supporting mutiple storages per DN
                 Key: HDFS-5178
                 URL: https://issues.apache.org/jira/browse/HDFS-5178
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: datanode
    Affects Versions: Heterogeneous Storage (HDFS-2832)
            Reporter: Junping Du


Per discussion in HDFS-5157, DataTransferProtocol should be updated to add StorageID info
in some methods, i.e. writeBlock(), replaceBlock(), etc.
After that, BlockReceiver (sender also) and receiveBlock can operate on target storage with
new parameter.

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