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Slowquery图形化显示MySQL慢日志工具

背景:由于天兔Lepus慢查询工具是运行在PHP CI框架里,而不是作为一个独立的web页面接口,所以想直接接入自动化运维平台里,移植代码比较困难,固考虑重构。

参考了开源工具Anemometer图形展示思路,并且把小米Soar工具集成进去,开发在页面上点击慢SQL,就会自动反馈优化建议,从而降低DBA人肉成本,同时也支持自动发送邮件报警功能。

agent客户端慢日志采集分析是结合Percona pt-query-digest工具来实现。

需要安装的步骤如下:

1、percona-toolkit工具的安装

2、php web mysql环境的搭建

# yum install httpd mysql php php-mysql -y

3、安装Slowquery并配置

4、导入慢查询日志

5、访问界面,查看慢查询

6、配置邮件报警

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工具搭建配置

1、移动到web目录

mv slowquery /var/www/html/

2、进入到slowquery/slowquery_table_schema目录下

导入dbinfo_table_schema.sql和slowquery_table_schema.sql表结构文件到你的运维管理机MySQL里。

(注:dbinfo表是保存生产MySQL主库的配置信息。)

例: mysql -uroot -p123456 sql_db < ./dbinfo_table_schema.sql

mysql -uroot -p123456 sql_db < ./slowquery_table_schema.sql

录入你要监控的MySQL主库配置信息

例:

mysql> INSERT INTO sql_db.dbinfo VALUES (1,'192.168.148.101','test','admin','123456',3306);

3、修改配置文件config.php,将里面的配置改成你的运维管理机MySQL的地址(用户权限最好是管理员)

4、修改配置文件soar_con.php,将里面的配置改成你的运维管理机MySQL的地址(用户权限最好是管理员) 例:

5、进入到slowquery/client_agent_script目录下,把slowquery_analysis.sh脚本拷贝到生产MySQL主库上做慢日志分析推送,并修改里面的配置信息

定时任务(10分钟一次)

*/10 * * * * /bin/bash /usr/local/bin/slowquery_analysis.sh > /dev/null 2>&1

6、别的就没啥配置的了,直接打开浏览器访问slowquery.php就OK了。

7、慢查询邮件推送报警配置。进入到slowquery/alarm_mail/目录里,修改sendmail.php配置信息

定时任务(每隔3小时慢查询报警推送一次)

0 */3 * * * cd /var/www/html/slowquery/alarm_mail;/usr/bin/php /var/www/html/slowquery/alarm_mail/sendmail.php > /dev/null 2>&1

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