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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2018/05/01 19:34:00 UTC

[jira] [Created] (PHOENIX-4722) Pull over only guideposts necessary for client side stats cache

James Taylor created PHOENIX-4722:
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             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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