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https://issues.apache.org/jira/browse/NIFI-5997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph Percivall updated NIFI-5997:
-----------------------------------
Affects Version/s: 1.8.0
1.7.1
> If swap file written but FlowFile Repository fails to update, connection
> queue counts wrong and flowfiles are duplicated upon restart
> -------------------------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-5997
> URL: https://issues.apache.org/jira/browse/NIFI-5997
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.8.0, 1.7.1
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Blocker
> Fix For: 1.9.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> If a queue writes out a Swap File but then the FlowFile Repository throws an
> Exception when attempting to update, we end up with a scenario where the size
> of the queue increases by 10,000 FlowFiles (the number of FlowFiles to be
> written to the swap file) as well as the corresponding size of the FlowFiles.
> We also have a Swap File that is written out to disk but the FlowFile Repo
> didn't get updated so on restart we have those FlowFiles in the FlowFile Repo
> as well as in the Swap File, so we end up with two of the same FlowFile. This
> can then cause some odd behavior because two FlowFiles exist with the same ID
> and the counts on the queues are very wrong, which also causes a lot of
> confusion.
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