Andy LoPresto created NIFI-3804:
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Summary: Resolve "too many files open" issues in tests when
running full build multiple times
Key: NIFI-3804
URL: https://issues.apache.org/jira/browse/NIFI-3804
Project: Apache NiFi
Issue Type: Bug
Components: Tools and Build
Affects Versions: 1.2.0
Reporter: Andy LoPresto
When running the full build multiple times, tests can fail due to "too many
files open" errors. These tests run successfully when the system is rebooted. I
have followed configuration best practices (raising max file handles to 50_000)
but after repeated test runs, this threshold is maxed out. This leads me to
believe there are tests which do not clean up after themselves or temporary
files which are not closed and deleted.
I suggest using malware detection and analysis tools/VMs to perform a file
system snapshot before and after a complete test run and compare to determine
what is left open.
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