[sheepdog] [PATCH v2] zk: actively remove itself after leave_cluster()is called

[Liu Yuan]

On 05/13/2013 04:05 PM, 輕微 wrote:
> after a node leaved(e.g. #collie cluster shutdown), it can not start up
> again before zk timeout. 
> the node broadcast a EVENT_LEAVE msg, but no body told zookeeper to
> remove it.
> 
> so there will be a log msg like this:
> zk_join(500) Previous zookeeper session exist, shoot myself.
> until zk timeout.

Ah, good catch.

Yuan