Thomas Rebele created HIVE-29155:
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Summary: Improve performance of TestVectorAggregation
Key: HIVE-29155
URL: https://issues.apache.org/jira/browse/HIVE-29155
Project: Hive
Issue Type: Improvement
Components: Hive
Reporter: Thomas Rebele
The method
org.apache.hadoop.hive.ql.exec.vector.aggregation.TestVectorAggregation#getLinearRandomNumber
uses a for-loop to calculate a random number with a linear distribution. It
could be replaced by a calculation that runs in effective constant time.
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