Haohui Mai created HDFS-5270:
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Summary: Use thread pools in the datenode daemons
Key: HDFS-5270
URL: https://issues.apache.org/jira/browse/HDFS-5270
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode
Reporter: Haohui Mai
Assignee: Haohui Mai
The current implementation of the datanode creates a thread when a new request
comes in. This incurs high overheads for the creation / destruction of threads,
making the datanode unstable under high concurrent loads.
This JIRA proposes to use a thread pool to reduce the overheads.
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