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https://issues.apache.org/jira/browse/HDFS-5543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-5543:
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Attachment: HDFS-5543.001.patch
> 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
> Attachments: HDFS-5543.001.patch
>
>
> 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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