Tech riderRev. 30 Sept 2026

ProxySQL

Ch 116.7of 30 Database Proxy Software

1Runs onLinux, self-hosted
2CostsFree plan
3Deployment modelself-hosted
4Connection poolingYes
5Query routingYes
6Load balancingYes
7Automatic failoverYes
8Supported databasesMySQL protocol, PostgreSQL protocol, MySQL, PostgreSQL, MariaDB, Percona Server for MySQL, ClickHouse

8 lines stated Written from the maker's own pages: proxysql.com

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Overview

ProxySQL is ranked #11 of 30 in database proxy software on Specifiction. It runs on Linux, Self-hosted. There is a free plan.

ProxySQL plans and pricing

All plans

Community Free Always open source · All ProxySQL Core Features · Community Support Channels · All supported platforms proxysql.com · 30 Sept 2026

Enterprise Not published ProxySQL Express SLA · SLA Guarantees · Health Monitoring & Alerting · MySQL/Amazon RDS/Percona Support · Custom Feature Development proxysql.com · 30 Sept 2026

Professional Not published 24x7x365 Support · Gold / Platinum Subscription · High Priority Bug Fixes · Architecture Solution Design · Web UI Administration proxysql.com · 30 Sept 2026

Compared on database proxy software

Free plan: Yesproxysql.com
Deployment model: self-hostedproxysql.com
Connection pooling: Yesproxysql.com
Query routing: Yesproxysql.com
Load balancing: Yesproxysql.com
Automatic failover: Yesproxysql.com
Supported databases: MySQL protocol, PostgreSQL protocol, MySQL, PostgreSQL, MariaDB, Percona Server for MySQL, ClickHouseproxysql.com

Facts

What it does: ProxySQL is a database proxy for MySQL, PostgreSQL, and their surrounding ecosystems that scales database infrastructure without changes to the application stack or database engine.proxysql.com · 30 Sept 2026
Connection multiplexing: It handles 100k+ client connections with a few hundred backend connections.proxysql.com · 30 Sept 2026
Sharding and caching: It can route queries by user, schema, or table and cache query results at the proxy layer without application changes.proxysql.com · 30 Sept 2026
Availability: ProxySQL monitors backend health and automatically reroutes traffic during failures.proxysql.com · 30 Sept 2026
Security: The features page describes a database firewall intended to protect databases from SQL injection and runaway queries.proxysql.com · 30 Sept 2026
Testing and rollout: Query mirroring duplicates live traffic to secondary host groups for load analysis and performance testing, while percentage-based load balancing supports gradual traffic shifts.proxysql.com · 30 Sept 2026
Database compatibility: The site lists MySQL and PostgreSQL protocol compatibility, including MySQL, MariaDB, Percona, Amazon RDS, Aurora, Google Cloud SQL, Azure Database, CockroachDB, YugabyteDB, Neon, Supabase, and Timescale.proxysql.com · 30 Sept 2026
Deployment: The installation guide provides Linux distribution packages and describes Docker and Kubernetes deployment options.proxysql.com · 30 Sept 2026
Linux support: Listed supported distributions include RedHat/CentOS, Amazon Linux, Debian, Ubuntu, AlmaLinux, and openSUSE Leap, with version qualifications on the installation page.proxysql.com · 30 Sept 2026
Support: Commercial offerings include SLA-backed support, priority response, and dedicated account management; community users can use GitHub Discussions, Google Groups, and GitHub Issues.proxysql.com · 30 Sept 2026
Company origin: The company page says René Cannaò released ProxySQL as a GPLv3-licensed open source project in 2013 and founded ProxySQL that year.proxysql.com · 30 Sept 2026