JAY
run command to get the mysql pid
ps aux|grep mysql
[root@test data]# ps aux|grep mysql
root 9051 0.0 0.0 113316 1196 pts/0 S 10:04 0:00 /bin/sh /www/server/mysql/bin/mysqld_safe --datadir=/www/server/data --pid-file=/www/server/data/test.com.pid
mysql 9889 16.8 20.8 1689960 392580 pts/0 Sl 10:06 0:01 /www/server/mysql/bin/mysqld --basedir=/www/server/mysql --datadir=/www/server/data --plugin-dir=/www/server/mysql/lib/plugin --user=mysql --log-error=test.com.err --open-files-limit=65535 --pid-file=/www/server/data/test.com.pid --socket=/tmp/mysql.sock --port=3306
root 9950 0.0 0.0 112708 944 pts/0 S+ 10:06 0:00 grep --color=auto mysql
My pid is 9889 ,
Create a pid file
echo "9889" > /www/server/data/test.com.pid