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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13162) Consider reducing number of getFileStatus calls in S3AFileSystem.mkdirs
Date Fri, 27 May 2016 08:06:12 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Rajesh Balamohan updated HADOOP-13162:
    Attachment: HADOOP-13162-branch-2-004.patch

AWS endpoint:  ap-southeast-1

AWS results:
Results :

Tests in error:
  TestS3ADeleteFilesOneByOne>TestS3ADeleteManyFiles.testBulkRenameAndDelete:103 »
  TestS3ADeleteManyFiles.testBulkRenameAndDelete:103 »  test timed out after 180...

Tests run: 228, Failures: 0, Errors: 3, Skipped: 7

rename d1/d2 d1/d4 throws filealready exists exception (with or without patch). However, with
hadoop command operations it succeeds. Not sure if it has got anything to do with inconsistency.
But I have removed that step of "rename rename d1/d2 s1/d4" as the exception is available
earlier as well. 

> Consider reducing number of getFileStatus calls in S3AFileSystem.mkdirs
> -----------------------------------------------------------------------
>                 Key: HADOOP-13162
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13162
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>            Reporter: Rajesh Balamohan
>            Priority: Minor
>         Attachments: HADOOP-13162-branch-2-002.patch, HADOOP-13162-branch-2-003.patch,
HADOOP-13162-branch-2-004.patch, HADOOP-13162.001.patch
> getFileStatus is relatively expensive call and mkdirs invokes it multiple times depending
on how deep the directory structure is. It would be good to reduce the number of getFileStatus
calls in such cases.

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