Haohui Mai created HDFS-7279:
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Summary: Use netty to implement DatanodeWebHdfsMethods
Key: HDFS-7279
URL: https://issues.apache.org/jira/browse/HDFS-7279
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Haohui Mai
Assignee: Haohui Mai
Currently the DN implements all related webhdfs functionality using jetty. As
the current jetty version the DN used (jetty 6) lacks of fine-grained buffer
and connection management, DN often suffers from long latency and OOM when its
webhdfs component is under sustained heavy load.
This jira proposes to implement the webhdfs component in DN using netty, which
can be more efficient and allow more finer-grain controls on webhdfs.
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