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https://issues.apache.org/jira/browse/NIFI-2999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15658060#comment-15658060
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ASF subversion and git services commented on NIFI-2999:
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Commit b73ba7f8d4f6319881c26b8faad121ceb12041ab in nifi's branch
refs/heads/master from [~markap14]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=b73ba7f ]
NIFI-2999: When Cluster Coordinator changes, purge any old heartbeats so that
we don't disconnect a node due to very old heartbeats
This closes #1210
> 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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