Riza Suminto created IMPALA-13010:
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Summary: Exclude cheap fragments from CpuAsk calculation.
Key: IMPALA-13010
URL: https://issues.apache.org/jira/browse/IMPALA-13010
Project: IMPALA
Issue Type: Improvement
Components: Frontend
Reporter: Riza Suminto
If a fragment has a low ProcessingCost under certain threshold, it might be
better to exclude it from CpuAsk/dominant fragment calculation. Right now, a
fragment that reads a very few rows can bump the core count, even though such a
fragment would run in parallel only for a very limited time.
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