Milan Desai created HDFS-7647:
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Summary: DatanodeManager.sortLocatedBlocks() sorts DatanodeIDs but
not StorageIDs
Key: HDFS-7647
URL: https://issues.apache.org/jira/browse/HDFS-7647
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 3.0.0
Reporter: Milan Desai
Assignee: Milan Desai
DatanodeManager.sortLocatedBlocks() sorts the array of DatanodeIDs inside each
LocatedBlock, but does not touch the array of StorageIDs and StorageTypes. As a
result, the DatanodeIDs and StorageIDs/StorageTypes are mismatched. The method
is called by FSNamesystem.getBlockLocations(), so the client will not know
which StorageID/Type corresponds to which DatanodeID.
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