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From Jordan Zimmerman <jor...@jordanzimmerman.com>
Subject Re: What should I do with SyncDisconnected
Date Mon, 25 Mar 2013 17:47:25 GMT
Curator has its own concept of connection timeout. It's a separate value from the session timeout.


On Mar 25, 2013, at 2:26 AM, Ivan Kelly <ivank@apache.org> wrote:

> On Thu, Mar 14, 2013 at 02:43:58PM -0700, Jordan Zimmerman wrote:
>>> But how long to wait? If the server is truly partitioned from ZK, then
>>> I'll wait forever, and the client request will be hung forever.
>> Curator waits for the time specified as the "connection
>> timeout". Curator introduces three connection states, CONNECTED,
>> SUSPENDED and LOST. When SysDisconnected is received, Curator sets
>> the state to SUSPENDED and then issues a sync() in the
>> background. This sync() does through Curator's normal connection
>> management, retries, etc. If the sync() doesn't succeed within the
>> connection timeout, Curator sets the state to LOST. How the
>> application handles these state changes is, of course, up to the
>> app.  
> Sorry for the late reply.
> The connection timeout is defined in curator though? Or is taken from
> the session timeout? We're doing something like this now.
> -Ivan

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