I use discourse_docker to generate Docker image, then deploy to kubernetes. In my container/web_only.yml: env: UNICORN_WORKERS: 2 However, if I execute top in the container, I can see 4 workers: [image] Is it out of control, or did I missed something?

That controle the number of unicorn workers but that isn’t the only thing in the container. We also run sidekiq, nginx, etc. Sidekiq also shows as Ruby in top until you press c

Thank you. I see. So is this the minimum configuration for a low-traffic site? I set a maximum memory usage of 1GB to the container and it got OOM a few times. [image]

Yeah, I understand. The “recommended” configuration, I guess, is for a real “community”. My instance, however, is only a support forum for my personal project with really low traffic (really). I know bigger RAM can always solve the problem, but it would be great if I can get some ideas on RAM optimi…

The minimum is 1GB Ram with 2GB Swap. And if you follow the official install guide we automatically set swap for you. Did you get OOM with swap?

[صورة] Vencent: some ideas on RAM optimization You could probably get away with one unicorn (you have two now) and one sidekiq.

[صورة] RGJ: You could probably get away with one unicorn (you have two now) and one sidekiq. That is what I’m thinking. Does that mean my whole site will block if a single request is doing I/O (i.e. database read)? I’m not really familiar with the tech details in Discourse but it seems likely…

[صورة] Falco: Did you get OOM with swap? No, I disabled swap because my cloud service provider suggests me to. I also heard it’s better to disable swap on a Kubernetes node. Maybe I should try to loose the RAM limit for Discourse and see what happens.

[صورة] Vencent: No, I disabled swap because my cloud service provider suggests me to. Well, so that is an unsupported configuration. Good luck with the experiments, but that is not a setup we support.

[صورة] Vencent: I also heard it’s better to disable swap on a Kubernetes node. Yes, but that’s in the same league as “it’s better to have more RAM” . And if you don’t have more RAM then you should have swap as a fallback. [صورة] Vencent: my whole site will block if a single request is d…

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schleifer (Andrew Schleifer) 2 أبريل 2019، 3:22م 4

Our recommended configuration is at least 2G of RAM + 2G of swap.

Error "Killed" while running rake posts:rebake

الموضوع		الردود	مرات العرض
Limiting the number of unicorns, memory usage and swapping Self-hosting server-resources	4	929	11 نوفمبر 2023
How much RAM is needed to host discourse along with other services? Self-hosting unsupported-install , hosting	8	2303	18 مايو 2024
Discourse-docker run with unicorn memory issue Self-hosting server-resources	6	1100	23 ديسمبر 2019
Recommendation for number of workers: cores × 2? Self-hosting	16	446	29 أبريل 2025
Browser upgrade fails when discourse is configured to use one unicorn worker Bug	5	462	18 أكتوبر 2023

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