[GitHub] [nifi] timeabarna commented on pull request #7185: NIFI-11473 Flow version change in NiFi should not stop a component wh…

["timeabarna (via GitHub)" <gi...@apache.org>]

timeabarna commented on PR #7185:
URL: https://github.com/apache/nifi/pull/7185#issuecomment-1521344218

   Hello @mattyb149,
   
   I've created a GenerateFlowFile processor which is running.  Created a version where only position changed.
   Added debug point at FlowUpdateResource updateFlow method and a debug point to StandardVersionedFlowSynchronizer updateProcessor method.
   
   At version change, without patch:
   FlowUpdateResource updateFlow runningComponents set contains GenerateFlowFile processor.
   StandardVersionedFlowSynchronizer updateProcessor goes to the updateProcessor if branch
   nifi-app.log shows FlowUpdateResource Stopping 1 Processors and FlowUpdateResource Restarting 1 Processors
   
   With patch:
   FlowUpdateResource updateFlow runningComponents set empty.
   StandardVersionedFlowSynchronizer updateProcessor goes to the setPosition if branch
   nifi-app.log shows FlowUpdateResource Stopping 0 Processors and FlowUpdateResource Restarting 0 Processors
   If my memory serves well only Updating Flow can be seen on UI.


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