Percona Monitoring and Management

Percona Monitoring and Management is open-source observability and management software for database teams running MySQL, PostgreSQL, MongoDB and related infrastructure. It is particularly well suited to mixed estates spread across on-premises, cloud and hybrid environments. The trade-off is clear: the software costs nothing, but operating it requires meaningful technical ownership and infrastructure.

Overview

PMM combines database dashboards, query analysis and configuration insight in one self-hosted service. It covers MySQL, MariaDB, PostgreSQL, MongoDB and Valkey/Redis, with dashboards and integrations for Amazon RDS and Aurora, ProxySQL and Percona XtraDB Cluster. That breadth is valuable when one team supports several engines; a single-database shop may find its wider scope unnecessary.

PMM Server exposes a browser interface, while PMM Client connects to it over HTTPS with TLS encryption. Deployment can be hybrid and is supported through Docker, Podman, a virtual appliance, Kubernetes or OpenShift with Helm, and an AWS Marketplace instance. Percona has developed enterprise open-source software since 2006. Its Trust Center carries GDPR, HIPAA, ISO 27001 and PCI badges and cites annual third-party audits and penetration testing.

Key features

Query diagnostics

Query Analytics ranks statements by load, then supports anomaly investigation, explain plans and customizable query dashboards for MySQL, MongoDB and PostgreSQL. Query profiling, wait-and-lock analysis and execution plans give administrators practical ways to move from “the database is slow” to a particular workload or contention point. This is a strong fit for teams that need investigative depth rather than headline uptime charts.

Alerts and advisors

Percona Alerting supports more than 15 notification channels, giving operations teams flexibility in how incidents are routed. Percona Advisors scan MySQL, MongoDB and PostgreSQL for security gaps, configuration mistakes and performance problems, then provide recommendations. Those checks can shorten routine review work, although they do not remove the need for an engineer to assess changes in context.

Backup and recovery

Backup and restore are included for MongoDB and MySQL. Scheduled and on-demand backups, plus point-in-time recovery, make PMM more useful for operational resilience than a monitoring-only product. PostgreSQL is covered by monitoring and analysis, but the stated backup feature does not extend to it.

Operational requirements

The documented Docker installation recommends at least two CPU cores, 4 GB of RAM and 100 GB of disk, and requires an x86-64-v2-capable CPU. Those are substantial baseline resources for a free tool. The first login requires changing the default administrator password, an important setup step rather than a turnkey hosted experience.

Pricing

The free plan is the product: there are no paid tiers, seat charges or published usage quotas in this offer. That makes it suitable for teams willing to supply their own compute, storage and administration. “Free” applies to the software; installation infrastructure can create separate costs, especially at the documented resource level and when retaining extensive metrics or backups.

Platforms

PMM is available through an API, on Linux, as self-hosted software and through the web interface. Its deployment choices span Docker and Podman containers, a virtual appliance, Kubernetes or OpenShift via Helm, and AWS Marketplace. This flexibility suits organizations with established platform engineering, but it puts deployment, upgrades and capacity planning on the customer rather than a hosted vendor.

Who it's for

Choose PMM if you operate MySQL, PostgreSQL and MongoDB together, need deep query and lock analysis, or want monitoring and selected backup workflows under one open-source system. It is also a sensible choice for teams with compliance-sensitive environments that prefer control over where telemetry and backups run.

Look elsewhere if you want a fully managed service, minimal infrastructure work, or a monitor dedicated to one engine. PMM's value depends on having people who can deploy the server, secure clients, maintain storage and act on its recommendations.

Pros and cons

• Pro: Broad engine coverage and dashboards make one platform practical for mixed database estates.
• Pro: Load-ranked queries, anomaly investigation, execution plans and lock analysis support serious troubleshooting.
• Pro: More than 15 alert channels and advisor checks extend monitoring into operations and configuration review.
• Pro: MongoDB and MySQL backup, restore and point-in-time recovery add recovery capability.
• Con: The free license does not eliminate infrastructure expense; the Docker guidance calls for 2 CPU cores, 4 GB RAM and 100 GB disk.
• Con: Self-hosting, TLS client setup and password hardening require technical administration.
• Con: The stated backup feature covers MongoDB and MySQL, not PostgreSQL.

Alternatives

Grafana Cloud Application Observability is the better pick when you want a hosted, cross-platform observability service with an always-free allowance of 2,232 host hours and a usage-priced Pro tier, rather than running PMM yourself.

MySQL suits readers seeking the database engine itself, including its Community Edition and replication and high-availability components, instead of a multi-engine monitoring layer.

DBmarlin is an alternative freemium database monitoring product with Linux, self-hosted, web and Windows support when its packaging better matches your environment.

pgwatch is the more focused choice for PostgreSQL monitoring, with an open-source plan supporting PostgreSQL 14 and later.

Amazon RDS fits teams that want a managed AWS database service and can use its Free Tier, rather than operating monitoring infrastructure.

AI SQL Tuner Studio is a Windows-focused alternative for SQL Server Developer Edition users who need a small number of server connections.

Site24x7 Database Monitoring is preferable when you want a paid, hosted monitoring service spanning servers, websites and database monitors.

Sematext Container Monitoring is the alternative when container and infrastructure monitoring, with metered retention-based pricing, is the primary requirement.

For broader shopping, see Database Performance Monitoring Software and Database Monitoring.

Verdict

PMM is a strong recommendation for technically capable teams managing several open-source or compatible database technologies that want deep query diagnostics, alerting, advisor guidance and selected backup tools without a software price. Choose it for control and breadth. Look elsewhere when a hosted, low-maintenance service matters more than self-hosting and infrastructure responsibility.