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Posted to issues@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2018/10/24 17:06:00 UTC

[jira] [Created] (NIFI-5745) Load Balanced Connections can stop balancing across the cluster if all nodes report backpressure and all data destined for another node

Mark Payne created NIFI-5745:
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             Summary: 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


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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