Liftoff!

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A mobile client for Lemmy running on iOS and Android

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Feature request: automatically clear old images from cache (lemm.ee)

submitted 1 year ago by awesome_person@lemm.ee to c/liftoff@lemmy.world

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[–] Cheesebaron@feddit.dk 28 points 1 year ago (1 children)

LRU cache seems like a good choice for caching images. Then set a max size and/or age of items in the cache and evict as necessary. This is the defacto caching mechanism in Apps.

[–] Amir@lemmy.ml 3 points 1 year ago (1 children)

I don't like every app having its own max size, I'd hope Android at some point starts making an automatic cache control tool system-wide (that's not a third party app) but it seems we're stuck with this mechanism

[–] Cheesebaron@feddit.dk 1 points 1 year ago (1 children)

It is a bit of wishful thinking, but could be cool if they had an AndroidX package with some kind of global caching system. Problem is though, how do you make a caching mechanism that can fit all use cases.

[–] Amir@lemmy.ml 1 points 1 year ago

Start with LRU and maybe a frequency counter to keep frequently useful data. Then go from there. Same as most apps do themselves right now but redistribute as needed; slowly take a bit away from all other apps when one app needs more