github-actions[bot] opened a new issue, #39911:
URL: https://github.com/apache/beam/issues/39911
Performance change found in the
test: `cogbk_python_batch_load_test_reiterate_4times_2MB_values` for the
metric: `runtime`.
For more information on how to triage the alerts, please look at
`Triage performance alert issues` section of the
[README](https://github.com/apache/beam/tree/master/sdks/python/apache_beam/testing/analyzers/README.md#triage-performance-alert-issues).
`Test description:` CoGroupByKey Python Load test - reiterate 4 times 2 MB
values
python | coGBK | reiteration 2MB value
Test Link -
https://github.com/apache/beam/blob/5e38decf9e723a385057131b01bbd33d8c60bda3/.test-infra/jenkins/job_LoadTests_coGBK_Python.groovy#L128
Test Dashboard -
http://metrics.beam.apache.org/d/fK0U4JqWz/cogbk-load-tests?orgId=1&var-processingType=batch&var-sdk=python&viewPanel=5
```
timestamp: Thu Aug 27 19:51:22 2026, metric_value: 573.00
timestamp: Wed Aug 26 16:49:47 2026, metric_value: 135.00
timestamp: Tue Aug 25 16:24:00 2026, metric_value: 440.00 <---- Anomaly
timestamp: Mon Aug 24 16:17:04 2026, metric_value: 86.00
timestamp: Sun Aug 23 16:21:14 2026, metric_value: 93.00
timestamp: Sat Aug 22 16:26:16 2026, metric_value: 89.00
timestamp: Fri Aug 21 16:17:33 2026, metric_value: 74.00
timestamp: Thu Aug 20 16:21:13 2026, metric_value: 120.00
timestamp: Wed Aug 19 16:09:36 2026, metric_value: 114.00
timestamp: Tue Aug 18 16:29:37 2026, metric_value: 195.00
timestamp: Sun Aug 16 16:27:25 2026, metric_value: 152.00
timestamp: Sat Aug 15 16:29:41 2026, metric_value: 105.00
timestamp: Fri Aug 14 16:26:59 2026, metric_value: 83.00
```
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