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https://issues.apache.org/jira/browse/HADOOP-18328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17754701#comment-17754701
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Yuting Chen commented on HADOOP-18328:
--------------------------------------

Tested with S3Outpost manually with the endpoint changes, by specifying with 
`-Dfs.s3a.bucket.yuting-test-bucket.accesspoint.arn=[arn]`
 * Put
 * MPU
 * Get
 * ListObjectV2
 * DeleteObject

Bucket aliases for outposts are not supported on SDK v2 so we are only 
targeting at using ARN at the moment.

Regarding [[email protected]] 's questions:
 # there is a new storage class; anything related to storage classes will need 
updating -> I think default storage is fine at the moment.
 # what are the consequences for encryption? -> No changes in encryption 
needed, as outpost does server side encryption.
 # it is probably going to need its own little documentation section -> We can 
add some command examples on how to use S3A on outpost.
 # and inevitably, more configurations to test/to under test. -> I ran all the 
unit tests so far and it all passed. Will report on the integration test 
results here as well.
 # supporting different aws partitions is also critical -> Currently only Gov 
and commercial partitions are supported on Outpost.

> S3A supports S3 on Outposts
> ---------------------------
>
>                 Key: HADOOP-18328
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18328
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/s3
>            Reporter: Sotetsu Suzugamine
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Currently, the endpoint for using S3 accesspoint is set as 
> "s3-accesspoint.%s.amazonaws.com" as follows.
> [https://github.com/apache/hadoop/blob/3ec4b932c179d9ec6c4e465f25e35b3d7eded08b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/ArnResource.java#L29]
> However, "s3-outposts.%s.amazonaws.com" is the preferred endpoint when 
> accessing S3 on Outposts bucket by accesspoint.
> This ticket improves them.



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