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https://issues.apache.org/jira/browse/HBASE-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13595217#comment-13595217
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Francis Liu commented on HBASE-8015:
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I see, I am assuming we have to store namespace as part of the region name. And
store them fully-qualified on hdfs/zookeeper/etc. Else we would be forced to
have all table names to be globally unique which would different from database
semantics.
Another concern is if a user can run the same application code against 0.96.
ie if I wanted to scan:
> scan 'foo.bar'
Pre-NS this would scan table 'foo.bar'. Post-NS, the system would parse this
out as table bar in namespace foo. One way we could deal with this is read the
table as Post-NS if it doesn't access read it as Pre-NS, check again if not
then fail.
> Support for Namespaces
> ----------------------
>
> Key: HBASE-8015
> URL: https://issues.apache.org/jira/browse/HBASE-8015
> Project: HBase
> Issue Type: New Feature
> Reporter: Francis Liu
> Assignee: Francis Liu
> Attachments: NamespaceDesign.pdf
>
>
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