Performance Regression or Improvement: gbk_python_batch_load_test_fanout_8_times_with_2GB_10byte_records_total:runtime

[AnandInguva]

Performance change found in the
test: gbk_python_batch_load_test_fanout_8_times_with_2GB_10byte_records_total for the metric: runtime.

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Test description: GroupByKey Python Load test - fanout 8 times with 2GB 10-byte records total python | GBK | Fanout 8 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=6 Test link - https://github.com/apache/beam/blob/5e38decf9e723a385057131b01bbd33d8c60bda3/.test-infra/jenkins/job_LoadTests_GBK_Python.groovy#L129

timestamp: Sun Oct  8 14:17:23 2023, metric_value: 45.00
timestamp: Sun Oct  8 09:38:16 2023, metric_value: 47.00
timestamp: Sun Oct  8 03:25:50 2023, metric_value: 55.00
timestamp: Sat Oct  7 21:36:27 2023, metric_value: 40.00
timestamp: Sat Oct  7 09:37:15 2023, metric_value: 35.00
timestamp: Fri Oct  6 21:39:51 2023, metric_value: 64.00
timestamp: Fri Oct  6 09:40:39 2023, metric_value: 50.00
timestamp: Thu Oct  5 21:41:00 2023, metric_value: 39.00
timestamp: Thu Oct  5 17:53:19 2023, metric_value: 48.00
timestamp: Thu Oct  5 10:52:36 2023, metric_value: 326.00
timestamp: Wed Oct  4 14:19:42 2023, metric_value: 32.00 <---- Anomaly
timestamp: Wed Oct  4 10:52:48 2023, metric_value: 332.00
timestamp: Wed Oct  4 05:07:44 2023, metric_value: 341.00
timestamp: Tue Oct  3 14:36:27 2023, metric_value: 477.00
timestamp: Tue Oct  3 14:18:16 2023, metric_value: 44.00
timestamp: Mon Oct  2 14:19:18 2023, metric_value: 55.00
timestamp: Sun Oct  1 14:17:48 2023, metric_value: 69.00
timestamp: Sat Sep 30 14:17:12 2023, metric_value: 42.00
timestamp: Fri Sep 29 14:19:31 2023, metric_value: 45.00
timestamp: Thu Sep 28 14:19:20 2023, metric_value: 47.00
timestamp: Wed Sep 27 14:21:47 2023, metric_value: 29.00