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Posted to dev@hive.apache.org by "Mark Wagner (JIRA)" <ji...@apache.org> on 2013/06/14 00:55:20 UTC

[jira] [Created] (HIVE-4732) Speed up AvroSerde by checking hashcodes instead of equality

Mark Wagner created HIVE-4732:
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             Summary: Speed up AvroSerde by checking hashcodes instead of equality
                 Key: HIVE-4732
                 URL: https://issues.apache.org/jira/browse/HIVE-4732
             Project: Hive
          Issue Type: Improvement
          Components: Serializers/Deserializers
    Affects Versions: 0.11.0, 0.12.0
            Reporter: Mark Wagner
            Assignee: Mark Wagner


The AvroSerde spends a significant amount of time checking schema equality. Changing to compare hashcodes (which can be computed once then reused) will improve performance.

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