I’m running a community with 38k users on a 24-core and 64GB VM. I set DISCOURSE_UNICORN_WORKERS to 48. Recently the site seems to response slow after the UV reaches 20k one day and PV reaches 500k. User will receive their notification several hours after it actually happens. The CPU workload is a…

[image] topological: whether Discourse is auto-scaling to a 24-core server without manual setting? Or how to set proper concurrent parameters for a large site like mine? The easiest way I’ve found to auto scale the resources is to just re-run ./discourse-setup which re-creates the app.yml wit…

There are a few topics about tuning large sites. You likely need to give postgres more memory.

Yes, I tried to modify max_connections and shared_buffers in Postgres and it seems to work.

I can see db_shared_buffers change in app.yml, but Postgres’s shared_buffers inside the container seems unchanged. Anyway, my problem is mostly solved. Thanks a lot.

How to adjust parameters for large and heavy traffic site?

Product Support

itsbhanusharma (Bhanu Sharma) March 11, 2022, 11:39am 2

The easiest way I’ve found to auto scale the resources is to just re-run ./discourse-setup which re-creates the app.yml with new values for relevant parameters.

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How to adjust parameters for large and heavy traffic site?

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