1. Locate the mysql mirror
docker ps
2 into the interior of the mirror image mysql
docker exec -it 05138413c565 /bin/bash
3. Install vim
because no internal mirror with docker vim command, it is necessary to manually install, use may be copied over the command from the CP docker host machine
apt-get update
apt-get install vim
4. Edit Profile
vim /etc/mysql/mysql.conf.d/mysqld.cnf
Add max_connections = 1024 stored in a file exit
5. restart mirroring
docker kill 05138413c565
docker staart 05138413c565
6. Check whether to change the number of connections mysql
show variables like '%max_connections%';
Figure has become 1024
