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https://issues.apache.org/jira/browse/NIFI-2360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390532#comment-15390532
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ASF GitHub Bot commented on NIFI-2360:
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Github user asfgit closed the pull request at:
https://github.com/apache/nifi/pull/705
> Improve robustness of cluster when relying on embedded zookeeper
> ----------------------------------------------------------------
>
> Key: NIFI-2360
> URL: https://issues.apache.org/jira/browse/NIFI-2360
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.0.0
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.0.0
>
>
> I have a 3 node cluster running an embedded zookeeper. If 2 nodes disconnect,
> I no longer have a ZooKeeper quorum. As a result, the third node is also
> disconnected. If I had more nodes, they would also all be disconnected. As a
> result, I also cannot then go to the cluster page to re-connect them, since
> there is no cluster coordinator.
> We should make this more robust, predominantly by not starting & stopping the
> embedded zookeeper server when a node connects & disconnects from cluster but
> instead just leave the embedded zookeeper server running, even when the node
> is disconnected from the cluster.
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