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From "Jordan Zimmerman (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (CURATOR-246) Parent task for adding a SESSION_LOST connection state, etc.
Date Mon, 28 Dec 2015 18:55:49 GMT

     [ https://issues.apache.org/jira/browse/CURATOR-246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jordan Zimmerman closed CURATOR-246.
------------------------------------
    Resolution: Fixed

> Parent task for adding a SESSION_LOST connection state, etc.
> ------------------------------------------------------------
>
>                 Key: CURATOR-246
>                 URL: https://issues.apache.org/jira/browse/CURATOR-246
>             Project: Apache Curator
>          Issue Type: New Feature
>          Components: Framework, Recipes
>            Reporter: Dong Lei
>
> Spark now leverage curator to help manage the connections to ZK and do leader election.

> Currently, whenever a ZK session gets disassociated, the ConnectionStateManager will
be aware and mark the state to be SUSPENDED and a new leader election will be triggered. 
> Even though a ZK session is able to reconnect to another machine very soon. 
> I wonder if we can tolerate such unstable network trembling and do not trigger a leader
election. Because the upper layer application's (like spark) reaction of new leader can be
very costly. 



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