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