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https://issues.apache.org/jira/browse/HADOOP-14090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15871985#comment-15871985
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Sean Mackrory commented on HADOOP-14090:
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{quote}the endpoint specifies the s3 endpoint for authentication. If I specify
DDB region, what does that mean for the s3a bucket? What if they are
different...does that just run DDB somewhere else?{quote}
There are already distinct configs for the s3 and DynamoDB endpoints, btw, so I
didn't think that would be any more confusing. I've done this a lot in testing
and had some requests for that use case in this feature: if users are going to
take advantage of HADOOP-13876, etc. and use a single table for multiple
buckets, perhaps one of the buckets occasionally used will be in a different
region. Not a great idea for that to happen all the time for cost /
performance, but there's no reason it shouldn't work. And it's easier for AWS
users to specify a region than an endpoint.
{quote}Unix convention is to use – for long commands, so if an app supports
single char options, you can combine them tar -xvf == tar -x -v -f. So use "--"
as the prefix here.{quote}
Sounds good - I think we should only have the long commands because all options
so far are not combinable anyway - they all take parameters.
> Allow users to specify region for DynamoDB table instead of endpoint
> --------------------------------------------------------------------
>
> Key: HADOOP-14090
> URL: https://issues.apache.org/jira/browse/HADOOP-14090
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Sean Mackrory
> Attachments: HADOOP-14090-HADOOP-13345.001.patch
>
>
> Assuming the AWS SDK allows this, I think this would be a better way to
> configure it for any usage on AWS itself (with endpoint still being an option
> for AWS-compatible non-AWS use cases). Unless users actually care about a
> specific endpoint, this is easier. Perhaps less important, HADOOP-14023 shows
> that inferring the region from the endpoint (which granted, isn't that
> necessary) doesn't work very well at all.
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