Paul Grey created NIFI-9893:
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Summary: Ensure orderly cluster node removal on node delete via UI
Key: NIFI-9893
URL: https://issues.apache.org/jira/browse/NIFI-9893
Project: Apache NiFi
Issue Type: Improvement
Reporter: Paul Grey
Assignee: Paul Grey
When a NiFi cluster node is deleted (via the UI), a series of steps is executed
to update the cluster state. If the node is being deleted due to node process
failure, then any attempt to communicate with that node will fail, causing an
exception.
In `NodeClusterCoordinator.removeNode()`, the sequence of steps could be
improved to perform the deletion before the node participants are notified.
This reduces the chance that node failure will prevent the UI operation from
completing.
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