Colin Patrick McCabe created HADOOP-11402:
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Summary: Negative user-to-group cache entries are never cleared
for never-again-accessed users
Key: HADOOP-11402
URL: https://issues.apache.org/jira/browse/HADOOP-11402
Project: Hadoop Common
Issue Type: Bug
Reporter: Colin Patrick McCabe
Negative user-to-group cache entries are never cleared for never-again-accessed
users. We should have a background thread that runs very infrequently and
removes these expired entries.
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