MySQL stored procedures + Event statistics MySQL additions and deletions change to QPS

Source: Internet
Author: User

/* Statistics MySQL additions and changes to the QPS SQL script */;

DROP TABLE IF EXISTS qpsinfo;

CREATE TABLE Qpsinfo (

ID INT PRIMARY KEY auto_increment,

' Type ' INT COMMENT "1 insert,2 delete,3 update,4 Select",

' Count ' INT COMMENT "total number of updates",

' QPS ' INT COMMENT "number of updates for 10 seconds",

Create_time DATETIME DEFAULT Now ()

);


/* Initialize table data */;

Insert into Qpsinfo (' type ', ' count ', ' QPS ') of values (1, (SELECT variable_value from INFORMATION_SCHEMA. Global_status where variable_name = "Com_insert"), 0);

Insert into Qpsinfo (' type ', ' count ', ' QPS ') of Values (2, (SELECT variable_value from INFORMATION_SCHEMA. Global_status where variable_name = "Com_delete"), 0);

Insert into Qpsinfo (' type ', ' count ', ' QPS ') of Values (3, (SELECT variable_value from INFORMATION_SCHEMA. Global_status where variable_name = "com_update"), 0);

Insert into Qpsinfo (' type ', ' count ', ' QPS ') of Values (4, (SELECT variable_value from INFORMATION_SCHEMA. Global_status where variable_name = "Com_select"), 0);


/* Create stored procedure statistics adding or deleting qps*/;

DROP PROCEDURE IF EXISTS qpscount;

DELIMITER//

CREATE PROCEDURE Qpscount ()

BEGIN

DECLARE _count INT DEFAULT 0;

DECLARE _old_count INT DEFAULT 0;

DECLARE _num INT DEFAULT 0;


SELECT Variable_value to _count from INFORMATION_SCHEMA. Global_status WHERE variable_name = "Com_insert";

SELECT ' count ' into _old_count from Qpsinfo WHERE ' type ' = 1 ORDER by id DESC LIMIT 1;

SET _num = (_count-_old_count)/10;

INSERT into Qpsinfo (' type ', ' count ', ' QPS ') VALUES (1,_count,_num);


SELECT Variable_value to _count from INFORMATION_SCHEMA. Global_status WHERE variable_name = "Com_delete";

SELECT ' count ' into _old_count from Qpsinfo WHERE ' type ' = 2 ORDER by id DESC LIMIT 1;

SET _num = (_count-_old_count)/10;

INSERT into Qpsinfo (' type ', ' count ', ' QPS ') VALUES (2,_count,_num);


SELECT Variable_value to _count from INFORMATION_SCHEMA. Global_status WHERE variable_name = "Com_update";

SELECT ' count ' into _old_count from Qpsinfo WHERE ' type ' = 3 ORDER by id DESC LIMIT 1;

SET _num = (_count-_old_count)/10;

INSERT into Qpsinfo (' type ', ' count ', ' QPS ') VALUES (3,_count,_num);


SELECT Variable_value to _count from INFORMATION_SCHEMA. Global_status WHERE variable_name = "Com_select";

SELECT ' count ' into _old_count from Qpsinfo WHERE ' type ' = 4 ORDER by id DESC LIMIT 1;

SET _num = (_count-_old_count)/10;

INSERT into Qpsinfo (' type ', ' count ', ' QPS ') VALUES (4,_count,_num);


END//

DELIMITER;


/* Create events to allow MySQL to run on time */;

DROP event IF EXISTS ' Qpscount ';

CREATE EVENT ' Qpscount ' on SCHEDULE every SECOND on completion not PRESERVE ENABLE does call Qpscount ();


This article is from the "Jeff" blog, so be sure to keep this source http://zhangxz.blog.51cto.com/5490116/1610714

MySQL stored procedures + Event statistics MySQL additions and deletions change to QPS

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.