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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12706) TestLocalFsFCStatistics#testStatisticsThreadLocalDataCleanUp times out occasionally
Date Thu, 14 Jan 2016 00:23:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15097344#comment-15097344

Colin Patrick McCabe commented on HADOOP-12706:

Thanks for the patch, [~sjlee0].  I agree that it seems a bit iffy to rely on {{System.gc}},
but I'm not sure if we have any other choice.  The behavior we are testing is gc-related,
after all.

The patch looks good, but I wonder if we could make it simpler by avoiding adding the "for"
loop.   I posted HADOOP-12706.002.patch which implements this-- let me know what you think.

 I have been running this in a loop for a half hour and so far have seen no failures.

> TestLocalFsFCStatistics#testStatisticsThreadLocalDataCleanUp times out occasionally
> -----------------------------------------------------------------------------------
>                 Key: HADOOP-12706
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12706
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: test
>            Reporter: Jason Lowe
>            Assignee: Sangjin Lee
>         Attachments: HADOOP-12706.01.patch
> TestLocalFsFCStatistics has been failing sometimes, and when it fails it appears to be
from FCStatisticsBaseTest.testStatisticsThreadLocalDataCleanUp.  The test is timing out when
it fails.

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