菜鸟一个，mysql.sock和mysql.sock.lock什么关系啊

OS版本CentOS release 6.5 (Final) mysql版本mysql-community-server-5.7.17 /etc/my.cnf配置如下 [mysqld] socket=/mnt/sdb1/mysql/mysql.sock [mysql] socket=/mnt/sdb1/mysql/mysql.sock [root@mysqltestdb]# ll /mnt/sdb1/mysql/|grep mysql.sock srw ...