> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/maxscale/maxscale-old-versions/mariadb-maxscale-25-01/mariadb-maxscale-2501-maxscale-25-01-monitors.md).

# MariaDB MaxScale 25.01 Monitors

Monitors are essential for high availability, tracking the status of backend servers. They detect failures, promote replicas, and enable automatic failover, ensuring service continuity.