chia7712 commented on pull request #8657:
URL: https://github.com/apache/kafka/pull/8657#issuecomment-683602732
@junrao the result of ```benchmark_test.py``` is attached (see description)
The main regression ({"records_per_sec": 3653635.3672, "mb_per_sec":
348.4378} -> {"records_per_sec": 2992220.2274, "mb_per_sec": 285.3604}) happens
in case ```test_id:
kafkatest.benchmarks.core.benchmark_test.Benchmark.test_consumer_throughput.interbroker_security_protocol=PLAINTEXT.tls_version=TLSv1.3.security_protocol=SSL.compression_type=snappy```.
I re-run the case 5 times and it seems the throughput of that case is not
stable.
**BEFORE**
1. {"records_per_sec": 3653635.3672, "mb_per_sec": 348.4378}
1. {"records_per_sec": 3812428.517, "mb_per_sec": 363.5815}
1. {"records_per_sec": 3012048.1928, "mb_per_sec": 287.2513}
1. {"records_per_sec": 3182686.1871, "mb_per_sec": 303.5246}
1. {"records_per_sec": 2997601.9185, "mb_per_sec": 285.8736}
**AFTER**
1. {"records_per_sec": 2992220.2274, "mb_per_sec": 285.3604}
1. {"records_per_sec": 3698224.8521, "mb_per_sec": 352.6902}
1. {"records_per_sec": 2977076.5109, "mb_per_sec": 283.9161}
1. {"records_per_sec": 3676470.5882, "mb_per_sec": 350.6156}
1. {"records_per_sec": 3681885.1252, "mb_per_sec": 351.1319}
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