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Posted to dev@hive.apache.org by "BELUGA BEHR (JIRA)" <ji...@apache.org> on 2017/06/10 16:01:18 UTC

[jira] [Created] (HIVE-16879) Improve Cache Key

BELUGA BEHR created HIVE-16879:
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             Summary: Improve Cache Key
                 Key: HIVE-16879
                 URL: https://issues.apache.org/jira/browse/HIVE-16879
             Project: Hive
          Issue Type: Improvement
          Components: Metastore
    Affects Versions: 2.1.1, 3.0.0
            Reporter: BELUGA BEHR
            Priority: Trivial


Improve cache key for cache implemented in {{org.apache.hadoop.hive.metastore.AggregateStatsCache}}.

# Cache some of the key components themselves (db name, table name) to conserve memory for repeated keys and to improve {{equals}} method as now references can be used for equality
# Upgrade _debug_ logging to not generate text unless required
# Changed _equals_ method to check first for the item most likely to be different, column name



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