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https://issues.apache.org/jira/browse/HADOOP-18930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17774038#comment-17774038
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Steve Loughran commented on HADOOP-18930:
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thinking of making the path capability probe show the current switch, rather
than just the availability of the feature.
but it does change the semantics of the probe
> make fs.s3a.create.performance an option you can set for the entire bucket
> --------------------------------------------------------------------------
>
> Key: HADOOP-18930
> URL: https://issues.apache.org/jira/browse/HADOOP-18930
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Affects Versions: 3.3.9
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> make the fs.s3a.create.performance option something you can set everywhere,
> rather than just in an openFile() option or under a magic path.
> this improves performance on apps like iceberg where filenames are generated
> with UUIDs in them, so we know there are no overwrites
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