[kwlug-disc] Firefox resource usage

[Khalid Baheyeldin]

On Sun, Feb 6, 2022 at 3:23 PM Chris Frey <cdfrey at foursquare.net> wrote:

> On Sun, Feb 06, 2022 at 03:00:21PM -0500, Khalid Baheyeldin wrote:
> > My record was 1427 I think, but that was many years ago, before Firefox
> > switched to a per tab process.
>
> At least in 91.x, you can still limit how many processes you want
> Firefox to use, if this is a concern.


There is no longer an item in the user interface to change that.

It used to be that under *Settings -> General -> Performance* there was a
thing
where you can change the number of processes. However, it is no longer
there, as
part of the general trend of removing choice in the name of simplifying
things.

However, I found that in *about:config* you can change
*dom.ipc.processCount*
to lower memory usage significantly.

It defaulted to 8 on my laptop (12GB of RAM). Lowering it to 6 made a
noticeable
difference in the memory footprint.

There is some description of it here:

https://firefox-source-docs.mozilla.org/dom/ipc/process_model.html
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