I’m seeking some expert guidance on optimizing a Discourse multisite setup. I have a single web VM and a separate database VM on a major cloud provider. While both machines have decent specs, I’m finding that my system gets overwhelmed by a large volume of background jobs, which seems to be stressin…

Discourse should be able to adapt those based on your system resources. Note that it is safe to re-run ./discourse-setup script if you have recently increased your system resources. The script can adapt to the increased resources and adjust your .yml accordingly

[image] emonunix: How should DISCOURSE_SIDEKIQ_WORKERS be sized in a multisite environment to handle a high job volume without stressing the database? Sounds like you need fewer? I’m pretty sure that it already knows to prioritize the high priority jobs.

[image] emonunix: database resources at the same time If the database is the bottleneck, have you considered moving to larger instance type for your cloud database?

Optimizing a Large Discourse Multisite: Database and Sidekiq Bottlenecks

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emonunix (Emon Bhuiyan) September 5, 2025, 7:58pm 4

@itsbhanusharma @pfaffman Thanks for your help. I appreciate you both taking the time to share your expertise.

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Optimizing a Large Discourse Multisite: Database and Sidekiq Bottlenecks

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