Patrick Hunt updated ZOOKEEPER-688:

    Status: Patch Available  (was: Open)

I added more detail on how session expiration works.

> explain session expiration better in the docs & faq
> ---------------------------------------------------
>                 Key: ZOOKEEPER-688
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-688
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Patrick Hunt
>            Assignee: Patrick Hunt
>            Priority: Critical
>             Fix For: 3.3.0
>         Attachments: ZOOKEEPER-688.patch
> We are not clear enough (and the diagram we do have seems misleading) on 
> _when_ session expirations are generated. In particular the fact that you 
> only get expirations when the client is connected to the cluster, not when 
> disconnected.
> we need to detail:
> 1) when do you get expiration
> 2) what is the sequence of events that the watcher sees, from disco state, to 
> getting the expiration (say the expiration happens when the client is disco, 
> what do you see in the watcher while you are getting reconnected)
> 3) we need to give some examples of how to test this. We should be explicit 
> that "pulling the network cable" on the client will not show expiration since 
> the cliient will not be reconnected.

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