MySQL max_connections 总是 214 。不能设大了？
centos7 mariadb 修改 max_connections 总是214
It was indeed limits set by the OS. Resolved it with :
Edit file /usr/lib/systemd/system/mysqld.service
Add at end:
LimitNOFILE=65535
LimitNPROC=65535
$ systemctl daemon-reload
$ systemctl restart mysqld.service
Edit file /usr/lib/systemd/system/mysqld.service
Add at end:
LimitNOFILE=65535
LimitNPROC=65535
$ systemctl daemon-reload
$ systemctl restart mysqld.service
[root@yistack-cloud-aio ~]# systemctl enable rabbitmq-server.service
Created symlink from /etc/systemd/system/multi-user.target.wants/rabbitmq-server .service to /usr/lib/systemd/system/rabbitmq-server.service.
[root@yistack-cloud-aio ~]# ls -lrt /usr/lib/systemd/system/rabbitmq-server.service
-rw-r--r-- 1 root root 291 9月 23 2015 /usr/lib/systemd/system/rabbitmq-server.service
[root@yistack-cloud-aio ~]# ls -lrt /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service
lrwxrwxrwx 1 root root 47 4月 19 14:52 /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service -> /usr/lib/systemd/system/rabbitmq-server.service
Created symlink from /etc/systemd/system/multi-user.target.wants/rabbitmq-server .service to /usr/lib/systemd/system/rabbitmq-server.service.
[root@yistack-cloud-aio ~]# ls -lrt /usr/lib/systemd/system/rabbitmq-server.service
-rw-r--r-- 1 root root 291 9月 23 2015 /usr/lib/systemd/system/rabbitmq-server.service
[root@yistack-cloud-aio ~]# ls -lrt /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service
lrwxrwxrwx 1 root root 47 4月 19 14:52 /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service -> /usr/lib/systemd/system/rabbitmq-server.service