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https://issues.apache.org/jira/browse/NIFI-2999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15657449#comment-15657449
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ASF GitHub Bot commented on NIFI-2999:
--------------------------------------
Github user olegz commented on the issue:
https://github.com/apache/nifi/pull/1210
Reviewing. . .
> In NiFI Cluster, new cluster coordinator election could result in all nodes
> being dropped.
> ------------------------------------------------------------------------------------------
>
> Key: NIFI-2999
> URL: https://issues.apache.org/jira/browse/NIFI-2999
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.0.0
> Reporter: Matthew Clarke
> Assignee: Mark Payne
> Fix For: 1.1.0
>
>
> When NiFi elects a new cluster coordinator, the newly elected coordinator
> starts accepting heartbeats from the cluster nodes. If another cluster
> coordinator election occurs later which results in the original Node being
> elected as the cluster coordinator once again, old heartbeat messages exist
> which will trigger all nodes to be dropped due to their age exceeding the
> threshold for last received heartbeat.
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