top - 10:23:21 up 152 days, 7 min, 2 users, load average: 7.69, 7.86, 6.69
Tasks: 114 total, 2 running, 112 sleeping, 0 stopped, 0 zombie
%Cpu(s): 55.7 us, 0.2 sy, 0.0 ni, 44.0 id, 0.2 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 8010172 total, 399032 free, 1592428 used, 6018712 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 6088608 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1444 mysql 20 0 3790108 754032 6592 S 221.9 9.4 1886:15 mysqld
登录数据库,并查看当前是否有语句执行慢
[xxxx@VM_0_2_centos ~]$ mysql -u xxxx -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2108
Server version: 5.7.22-log MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show full processlist;