bug#61763: 30.0.50; Image Cache Size growth

[Eli Zaretskii]

> From: Manuel Giraud <manuel@ledu-giraud.fr>
> Cc: 61763@debbugs.gnu.org
> Date: Sat, 25 Feb 2023 13:19:20 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> [...]
> 
> >> Maybe we should have parameter (maybe a custom) that limit this
> >> growth up to a certain point and then start uncaching older images.
> >> WDYT?
> >
> > We cannot uncache an image that is being displayed in some window.
> > Doing so would immediately cause a crash on the next redisplay cycle.
> > So lowering the eviction delay is the mechanism you should use,
> > assuming it helps in your use case.  Did you try that, and if you did,
> > did it help?  For how much time do you display each image before you
> > discard its buffer or delete its window?
> 
> I've try with image-cache-eviction-delay at 30 seconds and I never
> exceed 700MiB as Image Cache and never hit a "Memory exhausted".  So
> this is solved for this use case.  Thanks for your patience Eli!

Thanks, I'm therefore closing this bug.