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Posted to issues@geode.apache.org by "Jens Deppe (Jira)" <ji...@apache.org> on 2021/01/29 22:49:00 UTC

[jira] [Created] (GEODE-8897) Improve Redis INCRBYFLOAT output accuracy for very large values

Jens Deppe created GEODE-8897:
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             Summary: Improve Redis INCRBYFLOAT output accuracy for very large values
                 Key: GEODE-8897
                 URL: https://issues.apache.org/jira/browse/GEODE-8897
             Project: Geode
          Issue Type: Test
          Components: redis
            Reporter: Jens Deppe


Currently native redis appears to be able to apply INCRBYFLOAT on values that are below the max of unsigned long long (18446744073709551615). However, since we're treating numbers as \{{double}}s we can lose precision for very large values. For example:
 
 {{set val 18446744073709551614
incrbyfloat val 1}}
incorrectly returns {{18446744073709552000}}

Native redis produces a correct result.



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