MySQL Monitoring | Atatus Documentation

MySQL is one of the most popular open-source relational database management systems. Configure this plugin collects runtime metrics from MySQL or MariaDB servers. It collects information about Connections, Query performance, InnoDB performance on your database instance(s).

Setup & Configuration

The MySQL plugin is included with the Atatus Infra agent by default, please follow the below section to enable.

Copy the mysql example configuration file.

copy
```
cd /etc/atatus-infra-agent/conf.d/mysql.d/
sudo cp mysql.yml.template mysql.yml
```

Update the file /etc/atatus-infra-agent/conf.d/mysql.d/mysql.yml with below configurations.

copy

#Metrics section
metrics:

      # Host should be defined as username and password
    - hosts: ["username:password@tcp(127.0.0.1:3306)/"]

      # Username of hosts Empty by default.
      #username:

      # Password of hosts Empty by default.
      #password:

Restart the atatus infrastructure agent.

copy
```
sudo service atatus-infra-agent restart
```

Metrics

Name	Description	Type
mysql.status.connections	The rate of connections to the server.	`long`
mysql.status.max_used_connections	The maximum number of connections to the server.	`long`
mysql.status.threads.running	The number of running threads.	`long`
mysql.status.threads.connected	The number of connected threads.	`long`
mysql.status.innodb.buffer_pool.pages.total	The total size of the InnoDB buffer pool, in pages.	`long`
mysql.status.innodb.buffer_pool.pages.free	The number of free pages in the InnoDB buffer pool.	`long`
mysql.status.innodb.buffer_pool.pages.data	The number of pages in the InnoDB buffer pool containing data.	`long`
mysql.status.command.select	The number of SELECT queries since startup.	`long`
mysql.status.command.update	The number of UPDATE queries since startup.	`long`
mysql.status.command.insert	The number of INSERT queries since startup.	`long`
mysql.status.command.delete	The number of DELETE queries since startup.	`long`
mysql.status.aborted.connects	The number of failed attempts to connect to the MySQL server.	`long`