Performance Regression or Improvement: cogbk_python_batch_load_test_reiterate_4times_10KB_values:runtime

[github-actions]

Performance change found in the
test: cogbk_python_batch_load_test_reiterate_4times_10KB_values for the metric: runtime.

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Triage performance alert issues section of the README.

Test description: CoGroupByKey Python Load test - reiterate 4 times 10kB values
python | coGBK | reiteration 10kB value
Test Link -

beam/.test-infra/jenkins/job_LoadTests_coGBK_Python.groovy

Line 96 in 5e38dec

test : 'apache_beam.testing.load_tests.co_group_by_key_test',

Test Dashboard - http://metrics.beam.apache.org/d/fK0U4JqWz/cogbk-load-tests?orgId=1&var-processingType=batch&var-sdk=python&viewPanel=4

timestamp: Tue Oct 28 16:27:23 2025, metric_value: 163.00
timestamp: Mon Oct 27 16:17:38 2025, metric_value: 186.00
timestamp: Sun Oct 26 16:16:40 2025, metric_value: 141.00
timestamp: Sat Oct 25 16:20:14 2025, metric_value: 173.00 <---- Anomaly
timestamp: Fri Oct 24 16:18:44 2025, metric_value: 110.00
timestamp: Thu Oct 23 16:20:57 2025, metric_value: 171.00
timestamp: Wed Oct 22 16:16:45 2025, metric_value: 133.00
timestamp: Tue Oct 21 16:22:19 2025, metric_value: 92.00
timestamp: Mon Oct 20 16:28:52 2025, metric_value: 133.00
timestamp: Sun Oct 19 16:06:14 2025, metric_value: 127.00
timestamp: Sat Oct 18 16:05:07 2025, metric_value: 128.00
timestamp: Fri Oct 17 16:05:55 2025, metric_value: 112.00
timestamp: Thu Oct 16 16:26:43 2025, metric_value: 108.00
timestamp: Wed Oct 15 16:18:12 2025, metric_value: 121.00