Fixing bug 109595 makes MySQL almost 4X faster on the Insert Benchmark MySQL 8.0.35 includes a fix for bug 109595 and with that fix the QPS is almost 4X larger on the read+write benchmark steps compared to MySQL 8.0.34. Thank you to MySQL for fixing this quickly. I reported the bug in January of 2023. I have been aware of the performance problem for years, but didn't spend time debugging it until