Message-ID: From: "Sanne (@Sanne)" To: "pgjdbc/pgjdbc" Date: Tue, 01 Jul 2025 13:24:54 +0000 Subject: Re: [pgjdbc/pgjdbc] issue #3693: Overhead of uncontended use of ResourceLock In-Reply-To: References: List-Id: X-GitHub-Author-Login: Sanne X-GitHub-Comment-Id: 3024013481 X-GitHub-Comment-Type: issue_comment X-GitHub-Issue: 3693 X-GitHub-Repo: pgjdbc/pgjdbc X-GitHub-Type: comment X-GitHub-Url: https://github.com/pgjdbc/pgjdbc/issues/3693#issuecomment-3024013481 Content-Type: text/plain; charset=utf-8 Attaching the same data but in JFR format, although that seems harder to me IMO: [flamegraph_quarkus_db_256_jfr.zip](https://github.com/user-attachments/files/20999270/flamegraph_quarkus_db_256_jfr.zip) To see the overhead on the flamegraphs you can open it in a browser, hit "CTRL+F" and type a relevant string, for example "ResourceLock" . This will highlight the areas to zoom in in purple, and the bottom right corner on the screen will give you the aggregate stats among all callers.