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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/08/06 21:44:20 UTC
[jira] [Commented] (HADOOP-13336) support cross-region operations
in S3a
[ https://issues.apache.org/jira/browse/HADOOP-13336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410728#comment-15410728 ]
Steve Loughran commented on HADOOP-13336:
-----------------------------------------
problem is that with V4 auth you have to spec the endpoint, so you can't do a cp from frankfurt to s korea...or just from us-east to frankfurt
> 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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