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From: Sanne (@Sanne) <[email protected]>
To: pgjdbc/pgjdbc <[email protected]>
Subject: Re: [pgjdbc/pgjdbc] issue #3693: Overhead of uncontended use of ResourceLock
Date: Wed, 02 Jul 2025 15:50:49 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

hi @davecramer , sure among other JVM based platforms there's Vert.x (fully reactive, so can't use JDBC) and the Quarkus + Hibernate Reactive stack (also by my team, based on the same Vert.x driver).
 -  https://vertx.io/docs/vertx-pg-client/java/

It's performing extremely well. Our figures with Hibernate Reactive aren't great at the moment because of a design issue in the connection pool: there are novel challenges to solve over a "traditional" pool, but we'll fix them.

Personally I'm involved in both the "traditional" stack (blocking) based on JDBC and the alternative models, exploring things. I primarily want the various comparisons to be fair and want both to improve. 

There are also some extreme contenders on Techempower who have re-implemented everything from scratch. I wouldn't call those "production ready" personally, but by doing so they are setting a very interesting high bar in terms of performance results. I'd love us to be able to match such figures while still offering a reasonable programming model, maintainable and robust.

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