Performance Regression or Improvement: cogbk_python_batch_load_test_2GB_of_100B_records_with_a_single_key:runtime

[github-actions]

Performance change found in the
test: cogbk_python_batch_load_test_2GB_of_100B_records_with_a_single_key for the metric: runtime.

For more information on how to triage the alerts, please look at
Triage performance alert issues section of the README.

Test description: CoGroupByKey Python Load test - 2GB of 100B records with a single key
python | coGBK | 100B records with a single key
Test Link - https://github.com/apache/beam/blob/5e38decf9e723a385057131b01bbd33d8c60bda3/.test-infra/jenkins/job_LoadTests_coGBK_Python.groovy#L32C25-L32C76
Test Dashboard - http://metrics.beam.apache.org/d/fK0U4JqWz/cogbk-load-tests?orgId=1&var-processingType=batch&var-sdk=python&viewPanel=2

timestamp: Fri Mar 15 15:34:55 2024, metric_value: 357.00
timestamp: Thu Mar 14 15:36:58 2024, metric_value: 343.00
timestamp: Wed Mar 13 15:34:59 2024, metric_value: 321.00 <---- Anomaly
timestamp: Tue Mar 12 15:33:27 2024, metric_value: 254.00
timestamp: Mon Mar 11 15:35:32 2024, metric_value: 217.00
timestamp: Sun Mar 10 15:33:27 2024, metric_value: 243.00
timestamp: Sat Mar  9 15:36:28 2024, metric_value: 228.00
timestamp: Fri Mar  8 15:33:37 2024, metric_value: 202.00
timestamp: Thu Mar  7 15:33:53 2024, metric_value: 266.00
timestamp: Wed Mar  6 15:36:18 2024, metric_value: 330.00
timestamp: Tue Mar  5 15:33:49 2024, metric_value: 196.00
timestamp: Mon Mar  4 15:35:57 2024, metric_value: 247.00
timestamp: Sun Mar  3 15:32:52 2024, metric_value: 211.00