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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-3682) Stop initializing new SSL connection if ZK server is shutting down
Date Wed, 08 Jan 2020 17:06:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-3682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated ZOOKEEPER-3682:
--------------------------------------
    Labels: pull-request-available  (was: )

> Stop initializing new SSL connection if ZK server is shutting down
> ------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-3682
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3682
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>            Reporter: Jie Huang
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.6.0
>
>
> ZK keeps accepting new connections while it's being shut down then immediately close
them when it finds out that the ZK server is not running. It's not a big deal before SSL is
enabled since creating TCP connections is relatively cheap.
>  
> With SSL being widely enabled,  creating SSL connections involves handshake that takes
non-trivial CPU time, which is wasted since the connections are closed right after. 
>  
> This JIRA is going to stop initializing TLS handshake if the zkServer is not serving
to save resources.



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