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https://issues.apache.org/jira/browse/HADOOP-12667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15068706#comment-15068706
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Steve Loughran commented on HADOOP-12667:
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it's not s3 consistency semantics, its S3 API vs HDFS's subset of posix,
whether things like rename() and rm() are atomic and O(1).
see the object store bit under:
[http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/filesystem/introduction.html]
> s3a: Support createNonRecursive API
> -----------------------------------
>
> Key: HADOOP-12667
> URL: https://issues.apache.org/jira/browse/HADOOP-12667
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Reporter: Sean Mackrory
> Assignee: Sean Mackrory
> Attachments: HADOOP-12667.001.patch
>
>
> HBase and other clients rely on the createNonRecursive API, which was
> recently un-deprecated. S3A currently does not support it.
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