Chen Liang created HDFS-11482:
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Summary: Add storage type demand to into
DFSNetworkTopology#chooseRandom
Key: HDFS-11482
URL: https://issues.apache.org/jira/browse/HDFS-11482
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Chen Liang
Assignee: Chen Liang
HDFS-11450 adds storage type info into network topology, with on this info we
may change chooseRandom to take storage type requirement as parameter, only
checking subtrees required storage type available. This way we avoid blindly
picking up nodes that are not applicable.
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