mariadb 修改最大连接数

mariadb配置文件中添加max_connections=3000后,登陆系统查看:

MariaDB [(none)]> show global variables like '%max_conn%';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| extra_max_connections | 1 |
| max_connect_errors | 100 |
| max_connections | 214 |
+-----------------------+-------+

很疑惑,为啥参数改了,最大才到214呢?

百度了一下,找到了答案,很强大的百度,https://blog.csdn.net/pittpakk/article/details/79611312

根据博文介绍,需要修改一个文件,添加参数,如下:

由于mariadb有默认打开文件数限制
vi /usr/lib/systemd/system/mariadb.service

添加

LimitNOFILE=10000
LimitNPROC=10000

重载系统服务和mariadb服务

systemctl --system daemon-reload
systemctl restart mariadb.service

再次查看,奇迹出现了,

MariaDB [(none)]> show global variables like '%max_conn%';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| extra_max_connections | 1 |
| max_connect_errors | 100 |
| max_connections | 3000 |
+-----------------------+-------+

完!

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转载自www.cnblogs.com/Lzilong/p/9816304.html