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From "Sean Mackrory (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13336) S3A to support per-bucket configuration
Date Tue, 13 Dec 2016 15:02:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15745359#comment-15745359
] 

Sean Mackrory commented on HADOOP-13336:
----------------------------------------

Worth pointing out that option C would also break compatibility for some folks. If they're
currently using s3a://acccess-key:secret-key@bucket/, that'll change. We could say that if
they provide a username *and* password or if the username is not a valid configuration domain
(unlikely for someone to be using an access key id as configuration keys, I think) that we
interpret it the current way. But that's a little clunky.

> S3A to support per-bucket configuration
> ---------------------------------------
>
>                 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
>
> 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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