Yes. Absolutely does happen on other instances that have thousands of users.
Have you tried enabling the slow query logs @[email protected]? I went through that exercise yesterday to try to find the root cause but my instance doesn’t have enough load to reproduce the conditions, and my day job prevents me from devoting much time to writing a load test to simulate the load.
I did see several queries taking longer than 500ms (up to 2000ms) but they did not appear related to saving posts or comments.
Oh, Big-O notation? I never thought I’d see someone else mention big O notation out in the wild!
:high-five:
I checked this, and my lemmy.hconf file already has the host for pictrs set to http://pictrs:8080.
The only thing that has worked so far is manually unsetting my site’s image icon by unsetting it directly int he Database.