[安装](%E5%AE%89%E8%A3%85.md) [Gitd](Gitd.md) [主从同步](%E4%B8%BB%E4%BB%8E%E5%90%8C%E6%AD%A5.md) [常用命令](%E5%B8%B8%E7%94%A8%E5%91%BD%E4%BB%A4.md) [日志清理](%E6%97%A5%E5%BF%97%E6%B8%85%E7%90%86.md) [连接数，最大并发数，超时](%E8%BF%9E%E6%8E%A5%E6%95%B0%EF%BC%8C%E6%9C%80%E5%A4%A7%E5%B9%B6%E5%8F%91%E6%95%B0%EF%BC%8C%E8%B6%85%E6%97%B6.md) [错误](%E9%94%99%E8%AF%AF.md) [一些优化](%E4%B8%80%E4%BA%9B%E4%BC%98%E5%8C%96.md) [index](index.md) [查询数据库大小](%E6%9F%A5%E8%AF%A2%E6%95%B0%E6%8D%AE%E5%BA%93%E5%A4%A7%E5%B0%8F.md) [ubuntu18.04mysql启动脚本](ubuntu18.04mysql%E5%90%AF%E5%8A%A8%E8%84%9A%E6%9C%AC.md)