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https://issues.apache.org/jira/browse/HADOOP-13164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15486976#comment-15486976
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Hadoop QA commented on HADOOP-13164:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 6s{color}
| {color:red} HADOOP-13164 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-13164 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12828204/HADOOP-13164.branch-2-002.patch
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| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/10493/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Optimize S3AFileSystem::deleteUnnecessaryFakeDirectories
> --------------------------------------------------------
>
> Key: HADOOP-13164
> URL: https://issues.apache.org/jira/browse/HADOOP-13164
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Affects Versions: 2.8.0
> Reporter: Rajesh Balamohan
> Priority: Minor
> Attachments: HADOOP-13164.branch-2-002.patch,
> HADOOP-13164.branch-2.WIP.002.patch, HADOOP-13164.branch-2.WIP.patch
>
>
> https://github.com/apache/hadoop/blob/27c4e90efce04e1b1302f668b5eb22412e00d033/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java#L1224
> deleteUnnecessaryFakeDirectories is invoked in S3AFileSystem during rename
> and on outputstream close() to purge any fake directories. Depending on the
> nesting in the folder structure, it might take a lot longer time as it
> invokes getFileStatus multiple times. Instead, it should be able to break
> out of the loop once a non-empty directory is encountered.
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