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https://issues.apache.org/jira/browse/HADOOP-19256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17877719#comment-17877719
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ASF GitHub Bot commented on HADOOP-19256:
-----------------------------------------
steveloughran commented on PR #7011:
URL: https://github.com/apache/hadoop/pull/7011#issuecomment-2317807423
@diljotgrewal upgrading an aws SDK MUST be done as a standalone action. we
have a whole section of the testing doc [that covers
this](https://hadoop.apache.org/docs/stable/hadoop-aws/tools/hadoop-aws/testing.html#Qualifying_an_AWS_SDK_Update).
please create the jira and follow the steps; always a good experience to
actually do this on the command line, look for unexpected log messages,
performance regressions etc. It's been fairly low pain recently but the v2 sdk
still has some sharp edges.
> 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
> Labels: pull-request-available
>
> 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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