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https://issues.apache.org/jira/browse/CASSANDRA-8143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14388678#comment-14388678
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Bryn Cooke commented on CASSANDRA-8143:
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If the partitioner could be defined at the column family level then the 
location of data can be tuned to the dataset. Combined with custom secondary 
index implementations this could be a very powerful feature as you could 
effectively tune data locality and do local reads where appropriate.
Support would need to be all the way up to the CQL level though.



> Partitioner should not be accessed through StorageService
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-8143
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8143
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Branimir Lambov
>            Assignee: Branimir Lambov
>            Priority: Minor
>             Fix For: 3.0
>
>
> The configured partitioner is no longer the only partitioner in use in the 
> database, as e.g. index tables use LocalPartitioner.
> To make sure the correct partitioner is used for each table, accesses of 
> StorageService.getPartitioner() should be replaced with retrieval of the 
> CFS-specific partitioner.



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