Re: Observing lags or never ending processes

[Jean Louis <bugs@gnu.support>]

* Eli Zaretskii <eliz@gnu.org> [2022-09-17 09:02]:
> > Date: Fri, 16 Sep 2022 22:06:28 +0300
> > From: Jean Louis <bugs@gnu.support>
> > Cc: help-gnu-emacs@gnu.org
> > 
> > * Eli Zaretskii <eliz@gnu.org> [2022-09-11 16:18]:
> > > I suggest to begin by saying
> > > 
> > >   M-x set-variable RET garbage-collection-messages RET t RET
> > > 
> > > and then see if, when "something starts in the background", you see
> > > the telltale "Garbage collecting..." message in the echo area.
> > 
> > I have observed it and I think that sometimes garbage collection is
> > invoked without message being visible
> 
> I don't believe this is possible.
> 
> But if GC is responsible for those "lags", then it's normal Emacs
> operation, and you should look into changing your use patterns and
> packages you load so as to make the memory footprint of your Emacs
> sessions smaller, preferably so that it is never swapped out of
> physical memory.  If you customized the GC threshold to a much higher
> value, lower it.  Or maybe you have some other memory-intensive
> programs on your system that create situations where some of Emacs's
> memory is swapped out.  These are all reasons for GC being much slower
> than it's supposed to be.

How exactly can I change use patterns?

I am human, and I cannot calculate memory and what. Does Emacs have
limit option to not load packages over specific memory?

Today I was waiting 1 hour for garbage collection, two times, before I
killed Emacs.

And M-x memory-report never returns as well.


Jean

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