查現在連線load balance (haproxy)連到那台db
mysql -h xxx.xxx.xxx.xxx -u root -pxxxooo -e “set GLBAL server_id=xxxooo "
mysql -h xxx.xxx.xxx.xxx -u root -pxxxooo -e “show variables like ‘server_id’”
mysql -h xxx.xxx.xxx.xxx -u root -pxxxooo -e “set GLBAL server_id=xxxooo "
mysql -h xxx.xxx.xxx.xxx -u root -pxxxooo -e “show variables like ‘server_id’”
