Details
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Improvement
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Status: Open
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Minor
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Resolution: Unresolved
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None
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None
Description
After HDFS-16016 , it makes ibr in a thread to avoid heartbeat blocking with ibr when require readlock in Datanode.
Now fbr should do as this. The reason is this:
(1)heartbeat maybe block because of fbr with readlock in datanode
(2)fbr will only may return FinalizeCommand