Simon Bence created NIFI-8602:
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Summary: Managing older NARs within NAR autoloader
Key: NIFI-8602
URL: https://issues.apache.org/jira/browse/NIFI-8602
Project: Apache NiFi
Issue Type: Improvement
Components: Extensions
Reporter: Simon Bence
Assignee: Simon Bence
Based on [~markap14]'s improvement idea on the original ticket:
It's possible that over time users will continually add new versions of a NAR
to the same directory. And over time this will result in loading massive
amounts of NAR's into NiFi. Those that get removed will remain in NiFi. We will
need some way to age off old NARs. Perhaps after performing a listing, we
should detect any nar's that were previously downloaded from that NarProvider
and not present in the Listing. Then, if any of those is not in use (i.e., no
extensions are in the flow that use that bundle) then we can remove the bundle
and its NarLoader.
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