Hello I recently updated my discourse and for a while after it got pretty laggy

Hello @ice.d , More specific detail would be helpful. Upgraded from old version (i.e. actual version number) to new version (i.e. actual version number) Amount of memory and CPU cores Any underlying detail, etc

Sometimes an upgrade can trigger a global Post rebake. Look at your sidekiq queues. This will eventually settle down once the backlog is dealt with.

Hello Bruce to be more specific recently my forum told me that my discourse needed updates which it seems to do everyday so I updated it to the newest version from the one before and for about 2-3 hours I experienced lags in the forum I’m not sure my memory amounts or cpu

I put that in the search bar not finding anything

It’s a web address not a search term! :wink: (You need to be admin to see it)

Just to be clear that’s: https://yourdomain.tld/sidekiq ie sidekiq is the path within your discourse.

Just for info, I got a peak of 1000 jobs, so I too would advise waiting for a few hours to see if things settle. It can sometimes be a good idea to warn your users of an upcoming update, especially as it’s possible there will be some downtime if things don’t go well. [A line graph displays a hist…

Updating discourse caused a lag

Product Support

Bruce5051 (Bruce) June 25, 2025, 9:46pm 2

Hello @ice.d,

More specific detail would be helpful.

Upgraded from old version (i.e. actual version number) to new version (i.e. actual version number)
Amount of memory and CPU cores
Any underlying detail, etc

Topic		Replies	Views
Conflicting "out of date" vs "up to date" statuses Product Support	7	2623	May 1, 2016
My Discourse Jobs are stuck in queue. Not able to find solution Product Support	5	208	October 15, 2025
CPU spikes seem to be crashing our server Self-hosting server-resources	7	1705	June 21, 2017
Higher idle process activity after upgrade Self-hosting	7	875	May 25, 2020
Sidekiq is consuming too much memory, restarting Self-hosting	38	9488	October 13, 2020

Updating discourse caused a lag

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