Balancer should not allocate a thread per block move
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Key: HADOOP-3487
URL: https://issues.apache.org/jira/browse/HADOOP-3487
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.17.0
Reporter: Hairong Kuang
Assignee: Hairong Kuang
Fix For: 0.18.0
It will be more efficient to use a thread pool to provision thread for each
block move.
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