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https://issues.apache.org/jira/browse/NIFI-5745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16664751#comment-16664751
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ASF GitHub Bot commented on NIFI-5745:
--------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/nifi/pull/3108
> Load Balanced Connections can stop balancing across the cluster if all nodes
> report backpressure and all data destined for another node
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-5745
> URL: https://issues.apache.org/jira/browse/NIFI-5745
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.8.0
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.9.0
>
>
> If a connection is load balanced, and backpressure is configured, we can
> possibly get into a situation where all nodes want to send data to other
> nodes, but those nodes are applying backpressure. If this backpressure is
> applied only due to flowfiles existing in the connection, waiting to be
> distributed, we can reach a live lock scenario.
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