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https://issues.apache.org/jira/browse/ZOOKEEPER-920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12930190#action_12930190
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Patrick Hunt commented on ZOOKEEPER-920:
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bq. svn diff attached. Thank you very much.
No, thank you! :-) Regards.
> L7 (application layer) ping support
> -----------------------------------
>
> Key: ZOOKEEPER-920
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-920
> Project: Zookeeper
> Issue Type: New Feature
> Components: c client
> Affects Versions: 3.3.1
> Reporter: Chang Song
> Assignee: Chang Song
> Priority: Minor
> Fix For: 3.4.0
>
> Attachments: ZOOKEEPER-920.patch
>
>
> Zookeeper is used in applications where fault tolerance is important. Its
> client i/o thread send/recv heartbeats to/fro Zookeeper ensemble to stay
> connected. However healthy heartbeat does not always means that the
> application that uses Zookeeper client is in good health, it only means that
> ZK client thread is in good health.
> This I needed something that can tagged onto Zookeeper ping that represents
> L7 (application) health as well.
> I have modified C client source to support this in minimal way. I am new to
> Zookeeper, so please code review this code. I am actually using this code in
> our in-house solution.
> https://github.com/tru64ufs/zookeeper/commit/2196d6d5114a2fd2c0a3bc9a55f4494d47d2aece
> Thank you very much.
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