Ubuntu – mysql 5.6 – max connections 214
You try to increase your connections to 1000 by editing /etc/mysql/my.cnf (change max_connections=1000) , but when you login to your database, you can only see your mysql only accept upto 214 connections? It’s because the open_files_limit in Ubuntu system, here is the fix: Edit nano /lib/systemd/system/mysql.service And add this line to the end: LimitNOFILE=8192 Then run the 2 below commands or reboot the server systemctl daemon-reload systemctl restart mysql.serviceRead More →