[jira] [Created] (NIFI-8440) Queues are not prioritized properly when files are swapped out

["Andrew Glowacki (Jira)" <ji...@apache.org>]

Andrew Glowacki created NIFI-8440:
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             Summary: 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: 1.13.2, 1.9.2
            Reporter: Andrew Glowacki


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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