DBLE

About

DBLE is ranked #13 of 30 in database proxy software on Inferse. It runs on Linux, Self-hosted. There is a free plan.

Compared on database proxy software

Deployment model

self-hostedopensource.actionsky.com

Connection pooling

Yesopensource.actionsky.com

Query routing

Yesopensource.actionsky.com

Load balancing

Yesopensource.actionsky.com

Automatic failover

Yesopensource.actionsky.com

Supported databases

MySQL, ClickHouseopensource.actionsky.com

Facts

Purpose

DBLE is high-scalability middleware for MySQL sharding.github.com · 4 Oct 2026

MySQL compatibility

DBLE uses the MySQL protocol and can replace MySQL in many cases without application code changes.github.com · 4 Oct 2026

High availability

The DBLE server can run as a cluster so business workloads do not suffer from a single-node failure.github.com · 4 Oct 2026

SQL support

DBLE supports SQL 92 and MySQL dialect features, including group by, order by, distinct, joins, and unions; some features are listed on its roadmap.github.com · 4 Oct 2026

Query optimization

It optimizes complex queries involving global-table joins, sharding tables, ER-relation tables, and subqueries.github.com · 4 Oct 2026

Transactions

DBLE supports distributed transactions with two-phase commit and offers normal and XA modes; XA depends on MySQL 5.7 XA transactions and backend availability and disk reliability.github.com · 4 Oct 2026

Sharding features

The official site lists hash, modulo, time-based, and range-based sharding algorithms, plus global tables, ER tables, and custom sharding algorithms.opensource.actionsky.com · 4 Oct 2026

Scaling and deployment

The official site lists read/write separation, master-slave expansion, complete expansion plans, and ZooKeeper cluster deployment.opensource.actionsky.com · 4 Oct 2026

Security controls

The official site lists password encryption, IP allowlists, and SQL denylists.opensource.actionsky.com · 4 Oct 2026

Operational tools

The official site lists slow logs compatible with MySQL slow-log analysis tools, an Explain execution plan, and slow-query performance analysis reports.opensource.actionsky.com · 4 Oct 2026

Who it is for

DBLE is intended for teams replacing or scaling a single MySQL instance as business needs grow.github.com · 4 Oct 2026

Support

The DBLE documentation lists community support resources and says commercial support is available by contacting the maker.actiontech.github.io · 4 Oct 2026

License and version

The repository identifies DBLE as GPL-2.0 licensed and the documentation branch as applying to version 3.23.08.x.github.com · 4 Oct 2026

Where it ranks on Inferse

• Best Database Proxy Software in 2026#13 of 30

Sources

• github.com/actiontech/dble· checked 4 Oct 2026
• opensource.actionsky.com/dble/· checked 4 Oct 2026
• actiontech.github.io/dble-docs-cn/· checked 4 Oct 2026
• github.com/actiontech/dble-docs-cn· checked 4 Oct 2026