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https://issues.apache.org/jira/browse/NIFI-8440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre Villard resolved NIFI-8440.
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Resolution: Feedback Received
Apache NiFi 1.x is no longer maintained and no new release is planned on the
1.x release line. Marking as resolved as part of a cleanup operation. Please
open a new one with an updated description if this is still relevant for NiFi
2.x.
> Queues are not prioritized properly when files are swapped out
> --------------------------------------------------------------
>
> Key: NIFI-8440
> URL: https://issues.apache.org/jira/browse/NIFI-8440
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.9.2, 1.13.2
> Reporter: Andrew Glowacki
> Priority: Minor
>
> When a queue has files swapped out and a new file is added to it, it doesn't
> check whether or not that new file's priority is high enough for it to be in
> the non-swapped (active) set. This isn't normally a problem, however if the
> active files are waiting for the new file before they can be transferred,
> this might result in a stoppage (such as when you have a processor similar to
> MergeContent with the defragmentation strategy). This is also an problem if
> you expect a large queue of files to be prioritized properly but are not
> actively being consumed or added to in large enough volume.
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