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https://issues.apache.org/jira/browse/NIFI-2566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15421632#comment-15421632
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ASF GitHub Bot commented on NIFI-2566:
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GitHub user markap14 opened a pull request:
https://github.com/apache/nifi/pull/866
NIFI-2566: Refactoring to improve robustness of cluster
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/markap14/nifi NIFI-2566
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/866.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #866
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commit 90dc74627157296b4084ed65c1b752bfe25db1e8
Author: Mark Payne <marka...@hotmail.com>
Date: 2016-08-13T23:38:07Z
NIFI-2566: Refactored to allow just the Leader Election Manager to be
responsible for determining who is the Cluster Coordinator
commit 3fd121b2ff57c5fc51171791351580c29c58e553
Author: Mark Payne <marka...@hotmail.com>
Date: 2016-08-14T23:40:31Z
NIFI-2566: Removed storage of cluster roles from heartbeats and
NodeConnectionStatus; use LeaderElectionManager to determine roles instead
commit 457a2df5c3296013ce896ca7900807d9bdb69a71
Author: Mark Payne <marka...@hotmail.com>
Date: 2016-08-15T20:35:56Z
NIFI-2566: Updated Heartbeats so that if a node is out-of-sync with cluster
topology, cluster coordinator will provide updated information back to the nodes
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> Clustered Nodes can become out of sync regarding which node is coordinator
> --------------------------------------------------------------------------
>
> Key: NIFI-2566
> URL: https://issues.apache.org/jira/browse/NIFI-2566
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.0.0
>
>
> Occasionally, I will see the UI telling me that no Cluster Coordinator has
> been elected. However, I can see in the logs that the node is sending
> heartbeats to the coordinator.
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