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https://issues.apache.org/jira/browse/ZOOKEEPER-3421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Han resolved ZOOKEEPER-3421.
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Resolution: Fixed
Fix Version/s: 3.6.0
Issue resolved by pull request 978
[https://github.com/apache/zookeeper/pull/978]
> Better insight into Observer connections
> ----------------------------------------
>
> Key: ZOOKEEPER-3421
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3421
> Project: ZooKeeper
> Issue Type: Wish
> Components: server
> Affects Versions: 3.6.0
> Reporter: Brian Nixon
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.6.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> With the introduction of the Learner Master feature in ZOOKEEPER-3140,
> tracking the state of the Observers synced with the voting quorum became more
> difficult from an operational perspective. Observers could now be synced with
> any voting member and not just the leader and to discover where an observer
> was being hosted required digging in to the server logs or complex jmx
> queries.
>
> Add commands that externalize the state of observers from the point of view
> of the voting quorum.
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