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https://issues.apache.org/jira/browse/HADOOP-18565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17705314#comment-17705314
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ASF GitHub Bot commented on HADOOP-18565:
-----------------------------------------

steveloughran commented on PR #5421:
URL: https://github.com/apache/hadoop/pull/5421#issuecomment-1484983979

   `Endpoint is not set || Endpoint is set && ends in amazonaws.com || ARN is 
set` is roughly what storediag does: 
https://github.com/steveloughran/cloudstore/blob/trunk/src/main/java/org/apache/hadoop/fs/store/diag/S3ADiagnosticsInfo.java#L672
   
   it also looks for amazonaws.cn; not sure about where else it should probe. 
   
   having a flag "is.aws" would be good as a single switch to move to all 3rd 
party stuff, but the problem there is that features there may change over time 
too; fs.s3a.store.vendor would let you have a table of providers (aws, ozone, 
hitachi, amplidata, minio, netapp) and choose the right settings w.r.t path vs 
hostname, checksums, ....
   
   we'd have the vendor settings from properties too, e.g
   fs.s3a.vendor.ozone.change.detection.mode = none
   so they could be overridden in core-site/per-bucket
   
   that could actually simplify a lot of our internal "doesn't work with vendor 
XYZ" where problems 1 and 2 are 
   1. you forgot to set the endpoint and aws are rejecting you/your bucket
   2. use path resolution 




> AWS SDK V2 - Complete outstanding items
> ---------------------------------------
>
>                 Key: HADOOP-18565
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18565
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.4.0
>            Reporter: Ahmar Suhail
>            Priority: Major
>              Labels: pull-request-available
>
> The following work remains to complete the SDK upgrade work:
>  * S3A allows users configure to custom signers, add in support for this.
>  * Remove SDK V1 bundle dependency
>  * Update `getRegion()` logic to use retries. 
>  * Add in progress listeners for `S3ABlockOutputStream`
>  * Fix any failing tests.



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