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https://issues.apache.org/jira/browse/HADOOP-13871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15743490#comment-15743490
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Hudson commented on HADOOP-13871:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10987 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10987/])
HADOOP-13871. (liuml07: rev c6a39232456fa0c98b2b9b6dbeaec762294ca01e)
* (edit)
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/scale/ITestS3AInputStreamPerformance.java
* (edit)
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java
* (add)
hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/troubleshooting_s3a.md
* (edit)
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AUtils.java
* (edit)
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/scale/S3AScaleTestBase.java
> ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks
> performance 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, 2.9.0, 3.0.0-alpha2
> Environment: landsat bucket from the UK
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Fix For: 2.8.0, 3.0.0-alpha2
>
> Attachments: HADOOP-13871-001.patch, HADOOP-13871-002.patch,
> HADOOP-13871-003.patch,
> org.apache.hadoop.fs.s3a.scale.ITestS3AInputStreamPerformance-output.txt
>
>
> The ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks takes
> 15s on branch-2, but is now taking minutes.
> 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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