mysql参数

并发数(正在运行的线程)
show global status like 'Threads_running';
当前连接数
show global status like 'Threads_connected';
innodb缓冲池查询总数：
show global status like 'innodb_buffer_pool_read_requests';
innodb从磁盘查询数：
show global status like 'innodb_buffer_pool_reads';