In this chapter, we will explain a process by which you can create a good configuration file for your MySQL server.
After you've set MySQL's basic configuration options correctly, the potential gains from further changes are usually small.
On the other hand, the potential downside of fiddling with the configuration can be great.
Make sure the basics such as the innoDB buffer pool and log file size are appropriate, set a few safety and sanity options if
you wish to prevent bad behavior(but note that these usually won't improve performance--they'll only avoid problems)
It's best to start your search of performance problems with queries and their response times, not with configuration options.
Unexpected bugs can arise when you change default configuration options needlessly.
本文强调了在正确设置MySQL基本配置后,进一步优化收益可能较小,但错误配置可能导致问题。建议首先从查询和响应时间入手寻找性能瓶颈,避免不必要的默认配置更改,以防引发意外错误。确保关键设置如InnoDB缓冲池和日志文件大小合适,并设置一些安全选项以防止不良行为。
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