show full processlist
show variables like '%max_connections%'
show global status like 'Max_used_connections'
show global variables like 'wait_timeout'
set global wait_timeout=10
alter table blog_info modify pk_blog int auto_increment --主键自增设置
show full processlist
show variables like '%max_connections%'
show global status like 'Max_used_connections'
show global variables like 'wait_timeout'
set global wait_timeout=10
alter table blog_info modify pk_blog int auto_increment --主键自增设置