I’d like to open a discussion on the best practices for performing core maintenance tasks on a Discourse instance while minimizing or eliminating downtime. Tasks like changing critical resource settings (e.g., UNICORN_WORKERS, DISCOURSE_SIDEKIQ_WORKERS, DISCOURSE_DB_POOL) or applying major updates …

If you have a two container install, the new container builds while the old one runs. Downtime is just the amount of time it takes to launch the new container. The only issue is that you need enough ram to build a container while the other runs. Move from standalone container to separate web and da…

can you have two data containers on failover? [圖片] pfaffman: I usually move a new vm. do you use a usually have separate vm for data?

[圖片] Ethsim2: can you have two data containers on failover? Discourse is so stable this is pretty unnecessary for most installs (but I guess you might consider it for very high availability requirements or if you are hosting others?!) I don’t think I’ve had a single outage in 7 years due to …

I move to a new vm when doing a big reconfiguration. It’s possible to run a PostgreSQL mirror, but it’s a lot of work

Read replica would be better no?

Yeah! Replica! That’s the word they use. And then if the other one dies you can hot swap to the replica.

如何以最小的停机时间执行主要的 Discourse 维护？

支持安装

Ethsim2 (Ethan ) 2025年九月5日 21:05 3

故障转移时可以有两个数据容器吗？

你通常会为数据使用单独的虚拟机吗？

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Help with "zero downtime" setup Self-hosting hosting	7	2381	2020年九月10日
How to install a plugin without rebuilding (or set a maintainance message) Support	10	3612	2020年七月22日
How do I upgrade Discourse in a multiple container configuration? Self-hosting	2	958	2020年十月8日
How to speed up container instantiation - if possible at all? Self-hosting	4	353	2023年八月29日
Is there any faster way to re-build the site? Self-hosting	4	501	2024年三月30日

如何以最小的停机时间执行主要的 Discourse 维护？

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