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https://issues.apache.org/jira/browse/HADOOP-19072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17831907#comment-17831907
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ASF GitHub Bot commented on HADOOP-19072:
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steveloughran commented on PR #6543:
URL: https://github.com/apache/hadoop/pull/6543#issuecomment-2025732364
reviewed, i'm just wondering how to make the test the cleanest.
Going to invite reviews from @shameersss1 @ahmarsuhail @HarshitGupta11
@mukund-thakur as they've been looking around here.
Does anyone expect anything to break from this? I don't: we know code
doesn't normally try these tricks, otherwise we'd have had complaints about
other optimisations.
> S3A: expand optimisations on stores with "fs.s3a.create.performance"
> --------------------------------------------------------------------
>
> Key: HADOOP-19072
> URL: https://issues.apache.org/jira/browse/HADOOP-19072
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
>
> on an s3a store with fs.s3a.create.performance set, speed up other operations
> * mkdir to skip parent directory check: just do a HEAD to see if there's a
> file at the target location
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