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Posted to issues@calcite.apache.org by "James Starr (Jira)" <ji...@apache.org> on 2021/03/24 18:32:00 UTC

[jira] [Created] (CALCITE-4551) Fly Weight for MD Cache Keys

James Starr created CALCITE-4551:
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             Summary: Fly Weight for MD Cache Keys
                 Key: CALCITE-4551
                 URL: https://issues.apache.org/jira/browse/CALCITE-4551
             Project: Calcite
          Issue Type: Improvement
            Reporter: James Starr


Create cache keys for metadata calls generates a fair bit of object turn in trivial cases, more expensive than the actual metadata call.  Many metadata calls could reuse their cache keys since the are functionally identical.



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