Performance Regression or Improvement: combine_python_batch_2gb_10_byte_records:runtime

[github-actions]

Performance change found in the
test: combine_python_batch_2gb_10_byte_records 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: Combine Python Load Test 2 GB 10 byte records
Test link - https://github.com/apache/beam/blob/5e38decf9e723a385057131b01bbd33d8c60bda3/.test-infra/jenkins/job_LoadTests_Combine_Python.groovy#L76C24-L76C65
Test dashboard - http://metrics.beam.apache.org/d/WNzYt13Zk/combine-load-tests?orgId=1&from=now-90d&to=now&var-processingType=batch&var-sdk=python&viewPanel=2

timestamp: Tue Dec 10 15:37:36 2024, metric_value: 470.00
timestamp: Mon Dec  9 15:38:49 2024, metric_value: 445.00
timestamp: Sun Dec  8 15:36:39 2024, metric_value: 444.00
timestamp: Sat Dec  7 15:37:00 2024, metric_value: 498.00
timestamp: Fri Dec  6 15:35:47 2024, metric_value: 411.00
timestamp: Thu Dec  5 15:38:32 2024, metric_value: 461.00
timestamp: Wed Dec  4 15:36:47 2024, metric_value: 476.00
timestamp: Tue Dec  3 15:40:21 2024, metric_value: 453.00
timestamp: Mon Dec  2 15:37:22 2024, metric_value: 445.00
timestamp: Sun Dec  1 15:35:48 2024, metric_value: 459.00
timestamp: Sat Nov 30 15:37:31 2024, metric_value: 459.00 <---- Anomaly
timestamp: Fri Nov 29 15:36:48 2024, metric_value: 423.00
timestamp: Thu Nov 28 15:38:24 2024, metric_value: 420.00
timestamp: Wed Nov 27 15:37:19 2024, metric_value: 451.00
timestamp: Tue Nov 26 15:36:40 2024, metric_value: 459.00
timestamp: Mon Nov 25 15:38:49 2024, metric_value: 410.00
timestamp: Sun Nov 24 15:41:58 2024, metric_value: 425.00
timestamp: Sat Nov 23 15:34:11 2024, metric_value: 419.00
timestamp: Fri Nov 22 15:36:34 2024, metric_value: 434.00
timestamp: Thu Nov 21 15:35:13 2024, metric_value: 412.00
timestamp: Wed Nov 20 15:35:36 2024, metric_value: 437.00