Chris Nauroth created HDFS-9370:
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Summary: TestDataNodeUGIProvider fails intermittently due to
non-deterministic cache expiry.
Key: HDFS-9370
URL: https://issues.apache.org/jira/browse/HDFS-9370
Project: Hadoop HDFS
Issue Type: Bug
Components: test
Reporter: Chris Nauroth
Assignee: Chris Nauroth
Priority: Minor
{{TestDataNodeUGIProvider}} has hard-coded sleep times waiting for background
expiration of entries in a Guava cache. I have seen this test suite fail
intermittently, because expiration is not guaranteed to happen strictly on the
boundary of the period defined by the cache's expiration time.
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