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  1. Hive
  2. HIVE-23901

Overhead of Logger in ColumnStatsMerger damage the performance

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      Description

      When aggregating the column stats for a big partitioned table, we observed a large proportion of time spent in getLogger().  If we declare it as static, the execution time of aggregate can be greatly improved.

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              • Assignee:
                hsnusonic Yu-Wen Lai
                Reporter:
                hsnusonic Yu-Wen Lai
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