mysql systemd配置文件

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# systemd service file for MySQL forking server
#

[Unit]
Description=MySQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target

[Install]
WantedBy=multi-user.target

[Service]
User=mysql
Group=mysql

Type=notify

# Disable service start and stop timeout logic of systemd for mysqld service.
TimeoutSec=0

# Execute pre and post scripts as root
PermissionsStartOnly=true

# Needed to create system tables
#ExecStartPre=/usr/bin/mysqld_pre_systemd

# Start main service
ExecStart=/opt/mysql/mysql/bin/mysqld --defaults-file=/etc/my.cnf

# Use this to switch malloc implementation
EnvironmentFile=-/etc/sysconfig/mysql

# Sets open_files_limit
LimitNOFILE = 65535

Restart=on-failure         # 重启条件
ReStartSec=10              # 重启条件满足后等多久自动重启(秒)
StartLimitInterval=300     # 五分钟内只能重启两次，第三次不重启了 
StartLimitBurst=2          # 五分钟内只能重启两次，第三次不重启了
TimeoutStartSec=120        # 服务启动的超时时间，单位秒
TimeoutStopSec=120         # 服务关闭的超时时间，单位秒

RestartPreventExitStatus=1

# Set enviroment variable MYSQLD_PARENT_PID. This is required for restart.
Environment=MYSQLD_PARENT_PID=1

PrivateTmp=false