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Posted to dev@phoenix.apache.org by "Samarth Jain (JIRA)" <ji...@apache.org> on 2015/02/24 02:28:11 UTC

[jira] [Created] (PHOENIX-1679) Auto-detect if we should pass the NO_CACHE hint

Samarth Jain created PHOENIX-1679:
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             Summary: Auto-detect if we should pass the NO_CACHE hint
                 Key: PHOENIX-1679
                 URL: https://issues.apache.org/jira/browse/PHOENIX-1679
             Project: Phoenix
          Issue Type: Improvement
            Reporter: Samarth Jain
            Assignee: Samarth Jain


If a query is going to read data that is likely going to fill or exceed the block cache size, then it is probably prudent to not cache the data at all. This way the query won't have to incur the cost of allocating and disposing of memory it or subsequent queries likely won't use. It would leave the block cache available to other queries that could really use it.



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