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Posted to common-issues@hadoop.apache.org by "Mingliang Liu (JIRA)" <ji...@apache.org> on 2016/12/12 22:54:58 UTC
[jira] [Updated] (HADOOP-13871)
ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks
performance awful
[ https://issues.apache.org/jira/browse/HADOOP-13871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mingliang Liu updated HADOOP-13871:
-----------------------------------
Summary: ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks performance awful (was: ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks performance on branch-2.8 awful)
> 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
> 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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