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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-13993) transient failure of ITestS3AInputStreamPerformance.testDecompressionSequential128K
Date Mon, 16 Jan 2017 17:53:26 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran resolved HADOOP-13993.
-------------------------------------
    Resolution: Cannot Reproduce

> transient failure of ITestS3AInputStreamPerformance.testDecompressionSequential128K
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-13993
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13993
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> logging for the sake of completeness; a transient failure of
> {{ITestS3AInputStreamPerformance.testDecompressionSequential128K}} during a parallel
test run over long-haul links.
> What I suspect happened is that some network failure triggered the connection being closed
and reopened. The test merely asserts that the number of opens == 1, ignoring the error count.
If this failure keeps happening, maybe that should be used as part of the assertions, asserting
that opencount - errorcount == 1. Though there, as the error count is used for more than just
read+reopen errors, it could maybe be unreliable
> {code}
> org.apache.hadoop.fs.s3a.scale.ITestS3AInputStreamPerformancetestDecompressionSequential128K(org.apache.hadoop.fs.s3a.scale.ITestS3AInputStreamPerformance)
 Time elapsed: 24.583 sec  <<< FAILURE! java.lang.AssertionError: open operations
innull expected:<1> but was:<2>
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at org.junit.Assert.failNotEquals(Assert.java:743)
> 	at org.junit.Assert.assertEquals(Assert.java:118)
> 	at org.junit.Assert.assertEquals(Assert.java:555)
> 	at org.apache.hadoop.fs.s3a.scale.ITestS3AInputStreamPerformance.assertOpenOperationCount(ITestS3AInputStreamPerformance.java:188)
> 	at org.apache.hadoop.fs.s3a.scale.ITestS3AInputStreamPerformance.assertStreamOpenedExactlyOnce(ITestS3AInputStreamPerformance.java:180)
> 	at org.apache.hadoop.fs.s3a.scale.ITestS3AInputStreamPerformance.testDecompressionSequential128K(ITestS3AInputStreamPerformance.java:283)
> testRandomReadOverBuffer(org.apache.hadoop.fs.s3a.scale.ITestS3AInputStreamPerformance)
 Time elapsed: 7.428 sec  <<< FAILURE!
> {code}



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