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https://issues.apache.org/jira/browse/HADOOP-18544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-18544.
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Resolution: Won't Fix
Harshit tried this and too many things broke. pity
> S3A: add option to disable probe for dir marker recreation on delete/rename.
> ----------------------------------------------------------------------------
>
> Key: HADOOP-18544
> URL: https://issues.apache.org/jira/browse/HADOOP-18544
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.4
> Reporter: Steve Loughran
> Assignee: Harshit Gupta
> Priority: Major
> Labels: pull-request-available
>
> In applications which do many single-file deletions on the same dir, a lot of
> time is wasted in {{maybeCreateFakeParentDirectory()}}.
> Proposed: add an option to disable the probe, for use by applications which
> are happy for parent dirs to sometimes disappear after a cleanup.
> file by file delete is still woefully inefficient because of the HEAD request
> on every file, but there's no need to amplify the damage.
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