Мониторинг MySQL or MariaDB database в DumbMonit

Logs in and runs a query: catches a database that is up but no longer answering.

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Что проверяет DumbMonit

Типичное применение. Database: connection and a query you choose

Примеры

Что понадобится

Username / passwordA read-only account created for monitoring, never an application one.

Порт по умолчанию: 3306

Шаги настройки: Monitor a MySQL or MariaDB database

In the mysql client, create an account with no privilege (adjust the host part to the DumbMonit machine).
```
CREATE USER 'dumbmonit'@'%' IDENTIFIED BY 'a-long-password';
```
In DumbMonit, enter the server, for example db.home.lan:3307 (port 3306 by default), then the account's user and password.
Optional: replace the default query SELECT 1 with one that returns a single number, to chart it.

Обратите внимание. The check opens a real connection on every poll: on an instance close to its connection limit, give it a longer interval.