enable faster timeout of sessions in case of unexpected socket disconnect
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Key: ZOOKEEPER-922
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-922
Project: Zookeeper
Issue Type: Improvement
Components: server
Reporter: Camille Fournier
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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