Yanfei Lei created FLINK-29825:
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Summary: Improve benchmark stablility
Key: FLINK-29825
URL: https://issues.apache.org/jira/browse/FLINK-29825
Project: Flink
Issue Type: Improvement
Components: Benchmarks
Affects Versions: 1.17.0
Reporter: Yanfei Lei
Currently, regressions are detected by a simple script which may have false
positives and false negatives, especially for benchmarks with small absolute
values, small value changes would cause large percentage changes. see
[here|https://github.com/apache/flink-benchmarks/blob/master/regression_report.py#L132-L136]
for details.
And all benchmarks are executed on one physical machine, it might happen that
hardware issues affect performance, like "[FLINK-18614] Performance regression
2020.07.13".
This ticket aims to improve the precision and recall of the regression-check
script.
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