Performance Regression or Improvement: gbk_python_batch_load_test_2gb_of_100B_records:runtime

[AnandInguva]

Performance change found in the
test: gbk_python_batch_load_test_2gb_of_100B_records for the metric: runtime.

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Triage performance alert issues section of the README.

Test description: GroupByKey Python Load test - 2GB of 100B records python | GBK | Medium records (100B) Test Dashboard - http://metrics.beam.apache.org/d/UYZ-oJ3Zk/gbk-load-tests?orgId=1&var-processingType=batch&var-sdk=python&from=now-90d&to=now&viewPanel=3 Test link - https://github.com/apache/beam/blob/5e38decf9e723a385057131b01bbd33d8c60bda3/.test-infra/jenkins/job_LoadTests_GBK_Python.groovy#L60

timestamp: Sun Oct  8 13:54:26 2023, metric_value: 158.00
timestamp: Sun Oct  8 09:08:05 2023, metric_value: 161.00
timestamp: Sun Oct  8 02:55:51 2023, metric_value: 163.00
timestamp: Sat Oct  7 21:06:21 2023, metric_value: 162.00
timestamp: Sat Oct  7 09:07:16 2023, metric_value: 166.00
timestamp: Fri Oct  6 21:09:00 2023, metric_value: 179.00
timestamp: Fri Oct  6 09:10:02 2023, metric_value: 191.00
timestamp: Thu Oct  5 21:09:40 2023, metric_value: 173.00
timestamp: Thu Oct  5 17:22:44 2023, metric_value: 165.00 <---- Anomaly
timestamp: Thu Oct  5 10:11:04 2023, metric_value: 795.00
timestamp: Wed Oct  4 13:55:09 2023, metric_value: 165.00
timestamp: Wed Oct  4 10:10:19 2023, metric_value: 639.00
timestamp: Wed Oct  4 04:25:52 2023, metric_value: 634.00
timestamp: Tue Oct  3 13:54:37 2023, metric_value: 162.00
timestamp: Tue Oct  3 13:51:24 2023, metric_value: 892.00
timestamp: Mon Oct  2 13:55:13 2023, metric_value: 183.00
timestamp: Sun Oct  1 13:54:18 2023, metric_value: 150.00
timestamp: Sat Sep 30 13:54:07 2023, metric_value: 146.00
timestamp: Fri Sep 29 13:56:16 2023, metric_value: 172.00