Junping Du created HDFS-5207:
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Summary: In BlockPlacementPolicy, the type of writer in parameters
of chooseTarget() should be updated from DatanodeDescriptor to Node
Key: HDFS-5207
URL: https://issues.apache.org/jira/browse/HDFS-5207
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Reporter: Junping Du
Assignee: Junping Du
We should change chooseTarget(..., DatanodeDescriptor writer, ...) to
chooseTarget (..., node writer, ...) as the only important property of writer
is to identify other nodes' location relationship so more generic one could be
better. It also helps to cover cases that client node is not a Datanode also.
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