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https://issues.apache.org/jira/browse/HADOOP-13421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15393853#comment-15393853
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Steve Loughran commented on HADOOP-13421:
-----------------------------------------
this could be useful. How tangible are the speedups on your experience?
> Switch to v2 of the S3 List Objects API in S3A
> ----------------------------------------------
>
> Key: HADOOP-13421
> URL: https://issues.apache.org/jira/browse/HADOOP-13421
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.8.0
> Reporter: Steven K. Wong
> Priority: Minor
>
> Unlike [version
> 1|http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGET.html] of the
> S3 List Objects API, [version
> 2|http://docs.aws.amazon.com/AmazonS3/latest/API/v2-RESTBucketGET.html] by
> default does not fetch object owner information, which S3A doesn't need
> anyway. By switching to v2, there will be less data to transfer/process.
> Methods in S3AFileSystem that use this API include:
> * getFileStatus(Path)
> * innerDelete(Path, boolean)
> * innerListStatus(Path)
> * innerRename(Path, Path)
> Requires AWS SDK 1.10.75 or later.
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