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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13336) support cross-region operations in S3a
Date Sun, 07 Aug 2016 14:24:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410954#comment-15410954
] 

Chris Nauroth commented on HADOOP-13336:
----------------------------------------

bq. What I'm thinking of here is allowing you to override all global options with per-bucket
values;

+1.  I've had some other use cases in mind for this too:

* Different endpoint settings.
* Different TCP connection management settings and multi-part settings for a process co-located
in the same AWS region as one bucket but not the other.
* Different User-Agent customization within the same process.
* Server-side encryption on one bucket but not the other.

Thanks for coming up with a generalized configuration idea.

> support cross-region operations in S3a
> --------------------------------------
>
>                 Key: HADOOP-13336
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13336
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> S3a now supports different regions, by way of declaring the endpoint —but you can't
do things like read in one region, write back in another (e.g. a distcp backup), because only
one region can be specified in a configuration.
> If s3a supported region declaration in the URL, e.g. s3a://b1.frankfurt s3a://b2.seol
, then this would be possible. 
> Swift does this with a full filesystem binding/config: endpoints, username, etc, in the
XML file. Would we need to do that much? It'd be simpler initially to use a domain suffix
of a URL to set the region of a bucket from the domain and have the aws library sort the details
out itself, maybe with some config options for working with non-AWS infra



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