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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13871) ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks performance on branch-2.8 awful
Date Wed, 07 Dec 2016 15:22:58 GMT
Steve Loughran created HADOOP-13871:
---------------------------------------

             Summary: ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks
performance on branch-2.8 awful
                 Key: HADOOP-13871
                 URL: https://issues.apache.org/jira/browse/HADOOP-13871
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 2.8.0
         Environment: landsat bucket from the UK
            Reporter: Steve Loughran
            Assignee: Steve Loughran


The ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks takes 15s on branch-2,
but is now taking minutes on branch-2.8.

This is a regression, and it's surfacing on some internal branches too. Even where the code
hasn't changed. It does not happen on branch-2, which has a later SDK.





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