Mark Payne created NIFI-5771:
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Summary: If 0-byte FlowFiles are load balanced, can result in
content claim not being cleaned up
Key: NIFI-5771
URL: https://issues.apache.org/jira/browse/NIFI-5771
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Reporter: Mark Payne
Assignee: Mark Payne
To replicate, create two separate Flows:
GenerateFlowFile (File Size 800 KB) -> UpdateAttribute [auto-terminate]
GenerateFlowFile (FileSize 0 B) -> UpdateAttribute [auto-terminate]
On the second one, that is generating 0-byte flowfiles, configure the
Connection to Load Balance (Round Robin is easiest).
Start both flows.
After a minute or two, stop the GenerateFlowFile processors; let the flowfiles
finish being processed by UpdateAttribute.
Now, wait for the FlowFile Repository to checkpoint. At this point, the content
claim should be cleaned up and delete/archive any content claims (with the
exception of a few claims that are still 'writable'). However, some claims are
still sticking around when they shouldn't.
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