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https://issues.apache.org/jira/browse/HADOOP-12588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15353002#comment-15353002
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Masatake Iwasaki commented on HADOOP-12588:
-------------------------------------------
Thanks for reporting this, [~ste...@apache.org]. The test log of HADOOP-13323
indicates there is a race with {{TestMetricsSystemImpl}}. The
{{TestGangliaMetrics#testGangliaMetrics2}} sets {{*.period}} to 120 but 8 was
used.
{noformat}
2016-06-27 15:21:31,480 INFO impl.MetricsSystemImpl
(MetricsSystemImpl.java:startTimer(375)) - Scheduled snapshot period at 8
second(s).
{noformat}
I will upload additional patch or open another issue if I need major
refactoring of the test.
> Fix intermittent test failure of TestGangliaMetrics
> ---------------------------------------------------
>
> Key: HADOOP-12588
> URL: https://issues.apache.org/jira/browse/HADOOP-12588
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Tsuyoshi Ozawa
> Assignee: Masatake Iwasaki
> Fix For: 2.8.0, 2.7.3
>
> Attachments: HADOOP-12588.001.patch, HADOOP-12588.addendum.02.patch,
> HADOOP-12588.addendum.03.patch, HADOOP-12588.addendum.patch
>
>
> Jenkins found this test failure on HADOOP-11149.
> {quote}
> Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.773 sec <<<
> FAILURE! - in org.apache.hadoop.metrics2.impl.TestGangliaMetrics
> testGangliaMetrics2(org.apache.hadoop.metrics2.impl.TestGangliaMetrics) Time
> elapsed: 0.39 sec <<< FAILURE!
> java.lang.AssertionError: Missing metrics: test.s1rec.Xxx
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at
> org.apache.hadoop.metrics2.impl.TestGangliaMetrics.checkMetrics(TestGangliaMetrics.java:159)
> at
> org.apache.hadoop.metrics2.impl.TestGangliaMetrics.testGangliaMetrics2(TestGangliaMetrics.java:137)
> {quote}
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