Open J Proxy 0.5.0-beta — The Caching and Read/Write Splitting Release

Mon, 22 Jun 2026 12:00:02 +0000

When we shipped 0.4.0-beta, the core value of Open J Proxy was already clear: a database control plane for Java applications that lets you scale dozens of application instances without overwhelming your database, because the server — not the application — owns and controls the real connection pools. What 0.5.0-beta adds on top of that foundation is two features that take the pressure off the database even further. The first is query result caching: the ability to answer repeated SELECT queries directly from memory without touching the database at all. The second is read/write splitting: the ability to automatically route reads to replica databases and leave the primary free for writes. Together, they advance OJP’s role as a full database control plane — governing not just connections but query results, routing decisions, and admission under load.

Open J Proxy 0.4.0-beta: Flexibility, Observability, and a Big Step Toward Production

Tue, 17 Mar 2026 12:00:01 +0000

By Rogerio Robetti – OJP Founder and Lead Developer

Every few releases a project crosses a threshold where the changes stop being incremental and start reshaping how the system can be used.
Open J Proxy 0.4.0-beta is one of those releases.

This version touches nearly every layer of OJP: integration with popular Java frameworks, observability, security, extensibility, and developer tooling. The result is a release that makes OJP easier to integrate, easier to operate, and far more flexible internally.

OJP on JAVAPRO International

Open J Proxy 0.5.0-beta — The Caching and Read/Write Splitting Release

Open J Proxy 0.4.0-beta: Flexibility, Observability, and a Big Step Toward Production