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https://issues.apache.org/jira/browse/HADOOP-18930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17779509#comment-17779509
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ASF GitHub Bot commented on HADOOP-18930:
-----------------------------------------
steveloughran commented on code in PR #6168:
URL: https://github.com/apache/hadoop/pull/6168#discussion_r1371755588
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hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java:
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@@ -1183,12 +1183,17 @@ private Constants() {
/**
* Flag for create performance.
- * This is *not* a configuration option; it is for use in the
- * {code createFile()} builder.
+ * This can be set in the {code createFile()} builder.
Review Comment:
should be covered in the openfile docs
> 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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