Summary of qps statistical methods-JS Tutorial-php.cn

This time I will bring you a summary of the qps statistical method. What are the precautions for the qps statisticalmethod? The following is a practical case, let’s take a look.

Statistics of QPS values in the last N seconds (including select, insert, etc. values per second)

mysql> select variable_name,sum(per_sec) as qps from (select straight_join lower(gs0.variable_name) as variable_name, (gs1.variable_value - gs0.variable_value)/5 as per_sec from ( select variable_name ,variable_value from information_schema.global_status where variable_name in ('com_select','com_update','com_insert','com_replace','com_delete') union all select '',sleep(5) from dual ) as gs0 join information_schema.global_status gs1 using (variable_name)) t group by variable_name with rollup; +---------------+---------+| variable_name | qps |+---------------+---------+| com_delete | 0 || com_insert | 2.2 || com_replace | 0 || com_select | 11524.8 || com_update | 3 || NULL | 11530 |+---------------+---------+6 rows in set (5.00 sec)

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Statistics on the qps value and slowness since db startedQueryQuantity and other information

mysql> s -------------- mysql Ver 14.14 Distrib 5.5.35, for Linux (x86_64) using readline 5.1 Connection id:98313987 Current database:udb Current user:ucloud@172.23.0.48 SSL:Not in use Current pager:stdout Using outfile:'' Using delimiter:; Server version:5.5.35-log MySQL Community Server (GPL) by Remi Protocol version:10 Connection:172.23.9.201 via TCP/IP Server characterset:utf8 Db characterset:utf8 Client characterset:utf8 Conn. characterset:utf8 TCP port:3206 Uptime:274 days 1 hour 22 min 29 sec Threads: 172 Questions: 7559640986 Slow queries: 150149138 Opens: 7799 Flush tables: 15 Open tables: 973 Queries per second avg: 319.261

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I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to php Chinese Other related articles online!