Colin Patrick McCabe created HDFS-5543:
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Summary: fix narrow race condition in TestPathBasedCacheRequests
Key: HDFS-5543
URL: https://issues.apache.org/jira/browse/HDFS-5543
Project: Hadoop HDFS
Issue Type: Sub-task
Components: test
Affects Versions: 3.0.0
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
TestPathBasedCacheRequests has a narrow race condition in
testWaitForCachedReplicasInDirectory where an assert checking the number of
bytes cached may fail. The reason is because waitForCachedBlock looks at the
NameNode data structures directly to see how many replicas are cached, but the
scanner asynchronously updates the cache entries with this information.
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