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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PHOENIX-4722) Pull over only guideposts necessary for client side stats cache
Date Tue, 01 May 2018 19:34:00 GMT
James Taylor created PHOENIX-4722:
-------------------------------------

             Summary: Pull over only guideposts necessary for client side stats cache 
                 Key: PHOENIX-4722
                 URL: https://issues.apache.org/jira/browse/PHOENIX-4722
             Project: Phoenix
          Issue Type: Improvement
            Reporter: James Taylor


Our current client-side cache for statistics pull over all guideposts for a table. Since we
know the start/stop key of the scans for a query, we could have a more granular approach and
only pull over the guideposts we need. The cache maintenance and retrieval would get somewhat
more complicated, though, as we'd need to combine ranges together in the cache as we pull
them over and still get a cache hit across what was potentially multiple different ranges.



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