Mark Payne created NIFI-4165:
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             Summary: Update NiFi FlowFile Repository Toolkit to provide 
ability to remove FlowFiles whose content is missing
                 Key: NIFI-4165
                 URL: https://issues.apache.org/jira/browse/NIFI-4165
             Project: Apache NiFi
          Issue Type: New Feature
          Components: Tools and Build
            Reporter: Mark Payne
            Assignee: Mark Payne


The FlowFile Repo toolkit has the ability to address issues with flowfile repo 
corruption due to sudden power loss. Another problem that has been known to 
occur is if content goes missing from the content repository for whatever 
reason (say some process deletes some of the files) then the FlowFile Repo can 
contain a lot of FlowFiles whose content is missing. This causes a lot of 
problems with stack traces being dumped to logs and the flow taking a really 
long time to get back to normal. We should update the toolkit to provide a 
mechanism for pointing to a FlowFile Repo and Content Repo, then writing out a 
new FlowFile Repo that removes any FlowFile whose content is missing.



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