1、测试脚本
[root@MySQL5 ~]# cat proce.sh
while true
do
mysql -uroot -pmysql -e 'show processlist \G'|grep State >> /root/mysql.log
sleep 1
done
2、tail -f
[root@mysql5 ~]# tail -f mysql.log
State:
State: starting
State:
State: starting
State:
State: starting
State:
State: starting
State:
State: starting
State:
State: starting
State:
State: starting
State:
State: starting
State:
State: starting
3、对mysql.log按行进行排序、去重、计数
[root@mysql5 ~]# sort mysql.log |uniq -c
24 State:
24 State: starting
4、根据state的信息，对数据库进行分析
文章标题：观察MySQL进程状态
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