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https://issues.apache.org/jira/browse/ZOOKEEPER-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12932500#action_12932500
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Flavio Junqueira commented on ZOOKEEPER-922:
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Hi! I'm confused by this proposal. What happens if the client disconnects form 
one server and moves to another? Or you want to be able to disable that feature 
as well?

> enable faster timeout of sessions in case of unexpected socket disconnect
> -------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-922
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-922
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: server
>            Reporter: Camille Fournier
>            Assignee: Camille Fournier
>             Fix For: 3.4.0
>
>         Attachments: ZOOKEEPER-922.patch
>
>
> In the case when a client connection is closed due to socket error instead of 
> the client calling close explicitly, it would be nice to enable the session 
> associated with that client to time out faster than the negotiated session 
> timeout. This would enable a zookeeper ensemble that is acting as a dynamic 
> discovery provider to remove ephemeral nodes for crashed clients quickly, 
> while allowing for a longer heartbeat-based timeout for java clients that 
> need to do long stop-the-world GC. 
> I propose doing this by setting the timeout associated with the crashed 
> session to "minSessionTimeout".

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