片手間MySQLチューニング戦略2017/10/08 phpcon 2017 https://joind.in/event/japan-php-conference-2017/session05-mysql
Improving the Stability of MySQL Single-Threaded Benchmarks
I have for some years been running the queries of the DBT-3 benchmark, both to verify the effect of new query optimization features, and to detect any performance regressions that may have been introduced. However, I have had issues with getting stable results. While repeated runs of a query is very stable, I can get quite different results if I restart the server. As an example, I got a coefficie
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