Tsz Wo Nicholas Sze created HDFS-7639:
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Summary: Remove the limitation imposed by dfs.balancer.moverThreads
Key: HDFS-7639
URL: https://issues.apache.org/jira/browse/HDFS-7639
Project: Hadoop HDFS
Issue Type: Improvement
Components: balancer & mover
Reporter: Tsz Wo Nicholas Sze
In Balancer/Mover, the number of dispatcher threads (dfs.balancer.moverThreads)
limits the number of concurrent moves. Each dispatcher thread sends request to
a datanode and then is blocked for waiting the response. We should remove such
limitation.
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