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Posted to dev@arrow.apache.org by "Liya Fan (Jira)" <ji...@apache.org> on 2019/08/23 12:34:00 UTC

[jira] [Created] (ARROW-6335) [Java] Improve the performance of DictionaryHashTable

Liya Fan created ARROW-6335:
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             Summary: [Java] Improve the performance of DictionaryHashTable
                 Key: ARROW-6335
                 URL: https://issues.apache.org/jira/browse/ARROW-6335
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Java
            Reporter: Liya Fan
            Assignee: Liya Fan


when comparing two entries in the dictionary hash table, it is more efficient to compare the index directly, rather than using Objects.equals, because they are both ints.



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