Re: firefox is slow and uses a lot of memory

From: Poul-Henning Kamp <>
Date: Fri, 02 Jul 2021 20:03:04 UTC
Craig Leres writes:
> Starting with firefox 89 or so, I've found it starts using a LOT of 
> memory and actually makes the system sluggish and causes momentary X 
> freezes. I have 32G of ram/swap, is it reasonable for firefox to use 15G?

I noticed recently that firefox had started DNS's all bookmarks rather
aggressively I found something under about:config which made it stop,
(sorry cant remember which setting) but that made it at lot more workable
for me.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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FreeBSD committer       | BSD since 4.3-tahoe    
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