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https://issues.apache.org/jira/browse/HADOOP-13336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15400047#comment-15400047
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Steven K. Wong commented on HADOOP-13336:
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S3A already supports cross-region, if your config doesn't specify endpoint and
doesn't enable path-style access. I am able to {{hadoop fs -cp}} a file from an
S3 bucket in one region (us-east-1) to another S3 bucket in a different region
(us-west-1).
> 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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