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Posted to hdfs-dev@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2015/11/24 23:19:11 UTC

[jira] [Resolved] (HDFS-9370) TestDataNodeUGIProvider fails intermittently due to non-deterministic cache expiry.

     [ https://issues.apache.org/jira/browse/HDFS-9370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Nauroth resolved HDFS-9370.
---------------------------------
    Resolution: Duplicate

> 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
>         Attachments: HDFS-9370.001.patch, HDFS-9370.002.patch
>
>
> {{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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