Cheolsoo Park created PIG-3648:
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Summary: Make the sample size for RandomSampleLoader configurable
Key: PIG-3648
URL: https://issues.apache.org/jira/browse/PIG-3648
Project: Pig
Issue Type: Improvement
Components: impl
Reporter: Cheolsoo Park
Assignee: Cheolsoo Park
Priority: Minor
Fix For: 0.13.0
Pig uses RandomSampleLoader for range partitioning in order-by. But since the
sample size is hardcoded as 100, volatility in the variance of the results
increases when sorting a large number of rows (e.g. 10M+).
It would be nice if the sample size could be configurable via Pig properties.
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