Is there something about the way lemmy works that is causing Sync to chew up so much data? I never saw this kind of usage on Reddit.
this post was submitted on 22 Aug 2023
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Not that far off from mine! Interestingly, my Sync used almost as much as Meet (which I use daily for video calls).
I suspect it's mainly multimedia data, like high-res images. Maybe Lemmy serves higher-res images compared to Reddit? I also recall seeing some discussion somewhere were Lemmy instance admins were turning off server-side image/thumbnail caching, so as a result you could be directly pulling the high-res images by simply scroll thru your feed? This is just a guess though.
My guess: Reddit was serving not high res pictures (thumbnails) while scrolling and only gave them when opening.
Instances would need to create a thumbnail and the actual video. This would require a smal-ish CDN and processing power + storage to save the multiple versions to, right?
Idk about NSFW but arent they just hidden? To my knowledge at least Sync only shows "NSFW" and a blank single-colored post for an NSFW post.
You can hide NSFW previews but they are loaded in the background.