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https://issues.apache.org/jira/browse/ZOOKEEPER-1436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thawan Kooburat updated ZOOKEEPER-1436:
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Attachment: ZOOKEEPER-1436.patch
Updated patch file
> Add ZOO_TIMED_OUT_STATE sesion event to notify client about timeout during
> reconnection
> ---------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-1436
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1436
> Project: ZooKeeper
> Issue Type: Improvement
> Components: c client
> Affects Versions: 3.4.3
> Reporter: Thawan Kooburat
> Assignee: Thawan Kooburat
> Labels: patch
> Attachments: ZOOKEEPER-1436.patch, ZOOKEEPER-1436.patch
>
>
> The zookeeper c client knows how long its session will last, and periodically
> pings in order to keep that session alive. However, if it loses connection,
> it hops from ensemble member to ensemble member trying to reform the session
> - even after the session timeout expires.
> This patch at a new session event (ZOO_TIMED_OUT_STATE) that notifies the
> user that the session timeout has passed, and we have been unable to
> reconnect. The event is one-shot per disconnection and get generated from the
> C-client library itself. The server has no knowledge of this event.
> Example use cases:
> 1. Client can try to reconnect to a different set of observers if it unable
> to connect to the original set of observers.
> 2. Client can quickly stop acting as an active server, since other server may
> already taken over the active role while it is trying to reconnect.
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