farmmamba created HDFS-17149:
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Summary: getBlockLocations RPC should use actual client ip to
compute network distance when using RBF.
Key: HDFS-17149
URL: https://issues.apache.org/jira/browse/HDFS-17149
Project: Hadoop HDFS
Issue Type: Improvement
Components: namanode
Affects Versions: 3.4.0
Reporter: farmmamba
Please correct me if i understand wrongly. Thanks.
Currently, when a getBlockLocations RPC forwards to namenode via router.
NameNode will use router ip address as client machine to compute network
distance against block's locations. See FSNamesystem#sortLocatedBlocksMore
method for more detailed information.
I think this compute method is not correct and should use actual client ip.
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