Hi folks, We have been running our own instances of Discourse in OpenShift for the last years, and in the last months (as of January 2026 approx and more or less aligned with the new approach explained in Introducing pre-compiled JS assets for self-hosters and Introducing a new build system for pl…

Are you able to share a list of plugins which you have installed?

Is your total Memory 4g? If so do you have a swap setup? Can you share server specs?

Hi David, The list of extra plugins are: # - Trade buttons (used on Marketplace) - git clone --depth=1 https://github.com/jannolii/discourse-topic-trade-buttons.git # - Saved Searches - git clone --depth=1 https://github.com/discourse/discourse-saved-searches.git …

Hi Heliosurge, Nodes are 8 cpu / 30 GiB ram. In normal conditions, a forum used to consume 1 cpu and 2-3 Gb max of ram (including precompiling). No swap configured. I understood that swap is used here when there are memory constraints, which should not be the case here. However, I’m more “worried”…

Well your server spec shouldn’t need swap. The team member David here likely able to best help

Does the memory usage subside as soon as the assets:build task is done?

Hi @david , Does the memory usage subside as soon as the assets:build task is done? Nope. I digged further and there is something strange. Before precompiling:build, this is the list of plugins: /var/www/discourse$ ls plugins/ automation discourse-akismet discourse-data-exp…

It’s always advisable to have swap. It’s a very good idea to enable the kernel to overcommit. It can substantially reduce your peak memory needs. I’d sort out those two things and then try again. For overcommit, see [imagem] MKJ's Opinionated Discourse Deployment Configura…

Hi @Ed_S , Thank you for your message. [imagem] Ed_S: vmstat 5 5 I did diagnose and this is what I’m getting: vmstat 5 200 procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 3 0…

Ah, you saw an OOM, great. That’s definitive. ulimit has nothing to do with this. Add swap. There’s no reason not to, other than lack of disk space. Add 8G or 16G, try again. You want to get to a working state. Then you can try to measure what process is blowing up, if you wish. Set up overcom…

Consumo excessivo de memória devido à pré-compilação de assets

Suporte

david (David Taylor) Maio 4, 2026, 4:01pm 2

Você consegue compartilhar uma lista dos plugins que você instalou?

Tópico		Respostas	Visualizações
Precompiling assets takes 20 minutes Self-hosting server-resources	18	1508	31 de Janeiro de 2024
Failed to bootstrap due to out of memory killer Bug	35	2677	29 de Abril de 2021
New Install Bootstrap Fail in 'bundle exec rake themes:update assets:precompile' Self-hosting	7	516	21 de Fevereiro de 2024
Introducing pre-compiled JS assets for self-hosters Announcements	29	1149	27 de Novembro de 2025
Failed to upgrade discourse instance to Feb 15 2022 Self-hosting server-resources	29	2979	16 de Fevereiro de 2022

Consumo excessivo de memória devido à pré-compilação de assets

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