[GitHub] zookeeper issue #665: [ZOOKEEPER-3163] Use session map in the Netty to impro...

[maoling]

Github user maoling commented on the issue:

    https://github.com/apache/zookeeper/pull/665
  
    - Very useful improvement. `closeSession` can really face a perfermance 
issue when thousands of clients.
    - This issue is very similar to 
[ZOOKEEPER-1669](https://issues.apache.org/jira/browse/ZOOKEEPER-1669) 


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