Junping Du created HDFS-5178:
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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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