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https://issues.apache.org/jira/browse/CASSANDRA-7622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425478#comment-16425478
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Michael Burman commented on CASSANDRA-7622:
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My personal view would be to avoid keyspace per type of origin and instead 
concentrate on the data itself. Monitoring "virtual tables" for example should 
probably live in the SystemKeyspace (or monitoring, but I'm not sure if we need 
so many internal keyspaces). Although this opinion is affected by the fact that 
I got so used to using SQL Server's DMVs, but they do their job quite well 
(they use the table naming to indicate information type also - but that's 
outside this ticket).

> Implement virtual tables
> ------------------------
>
>                 Key: CASSANDRA-7622
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7622
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: CQL
>            Reporter: Tupshin Harper
>            Assignee: Chris Lohfink
>            Priority: Major
>             Fix For: 4.x
>
>
> There are a variety of reasons to want virtual tables, which would be any 
> table that would be backed by an API, rather than data explicitly managed and 
> stored as sstables.
> One possible use case would be to expose JMX data through CQL as a 
> resurrection of CASSANDRA-3527.
> Another is a more general framework to implement the ability to expose yaml 
> configuration information. So it would be an alternate approach to 
> CASSANDRA-7370.
> A possible implementation would be in terms of CASSANDRA-7443, but I am not 
> presupposing.



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