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https://issues.apache.org/jira/browse/HADOOP-19256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17876050#comment-17876050
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Steve Loughran commented on HADOOP-19256:
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oh, and if someone used createFile() and requested the relevant option, then
we'd always create the header, regardless of s3a config.
now, is a new SDK needed here?
> Support S3 Conditional Writes
> -----------------------------
>
> Key: HADOOP-19256
> URL: https://issues.apache.org/jira/browse/HADOOP-19256
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Ahmar Suhail
> Priority: Major
>
> S3 Conditional Write (Put-if-absent) capability is now generally available -
> [https://aws.amazon.com/about-aws/whats-new/2024/08/amazon-s3-conditional-writes/]
>
> S3A should allow passing in this put-if-absent header to prevent over writing
> of files.
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