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Posted to notifications@asterixdb.apache.org by "Chen Luo (JIRA)" <ji...@apache.org> on 2017/10/28 21:30:01 UTC

[jira] [Created] (ASTERIXDB-2149) Improve NormalizedKey on Sorting

Chen Luo created ASTERIXDB-2149:
-----------------------------------

             Summary: Improve NormalizedKey on Sorting
                 Key: ASTERIXDB-2149
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2149
             Project: Apache AsterixDB
          Issue Type: Improvement
            Reporter: Chen Luo


Normalized keys are used to improve sorting performance by avoiding random memory accesses. However, currently it has several limitations:
# Normalized key computer is missing for some types, e.g., UUID
# It only helps with unequal keys. When two keys are equal, it still requires random accesses to do comparison.



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