mysqld systemed 配置

mysqld.service

[Unit]
Description=MySQL Server
After=network.target
After=syslog.target

[Install]
WantedBy=multi-user.target
Alias=mysql.service

[Service]
User=mysql
Group=mysql
Type=simple
PermissionsStartOnly=true

ExecStartPre=/usr/bin/mkdir -p /data/mysql_{data,log}
ExecStartPre=/usr/bin/chown -R mysql:mysql /data
ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS

# Sets open_files_limit
LimitNOFILE = 5000

Restart=on-failure

RestartPreventExitStatus=1

PrivateTmp=false