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https://issues.apache.org/jira/browse/HADOOP-16343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-16343.
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Resolution: Won't Fix
> Add option for a prefix to put in front of every s3guard table
> --------------------------------------------------------------
>
> Key: HADOOP-16343
> URL: https://issues.apache.org/jira/browse/HADOOP-16343
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.2.0
> Reporter: Steve Loughran
> Priority: Minor
>
> with DDB on demand, there's no cost in $ to having a table per bucket, and
> some security isolation benefits. But if you tell applications they can
> create DDB tables for every s3 bucket they encounter, their names may clash
> with other DDB tables, and it becomes hard to identify which tables in a
> region are s3.
> Proposed: add a fs.s3a.s3guard.table.prefix option which lets you define the
> prefix to put in front of any inferred table name, so providing the isolation
> note, AWS [DDB naming
> rules|https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.NamingRulesDataTypes.html]
> put a limit of 255 chars; table prefix should short, e.g. "s3a."
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