sdw,
@sdw@mastodon.social avatar

iOS disk space management continues to absolutely confound me. My iPhone lies about having 250 GB of ‘free’ space on-device, but plugged in shows only a fraction of that. And it complains about storage nonstop.

image/png

arguementclinic,

@sdw Along similar lines, Apple Maps Data is listed as taking up 17 gigs of data even though I’ve deleted the app. By any chance do you know how to get rid of this 17 gigs or why it’s persisting even after the app was fully deleted rather than being offloaded?

gedeonm,
@gedeonm@mastodon.social avatar

@sdw we learned while we were developing iPulse for iOS just how confusing cached data was on the iPhone.

sdw,
@sdw@mastodon.social avatar

@gedeonm any big lessons / gotchas that might be useful to a large data writing app? :)

gedeonm,
@gedeonm@mastodon.social avatar

@sdw Totally a question for @chockenberry! I just draw stuff 😂

sdw,
@sdw@mastodon.social avatar

@gedeonm @chockenberry CHOCK INQUEST

chockenberry,
@chockenberry@mastodon.social avatar

@sdw @gedeonm iOS Settings does not report the purgeable space. You can determine how much space can be purged with this code:

https://developer.apple.com/documentation/foundation/urlresourcekey/checking_volume_storage_capacity

Basically, you take the total amount of disk space on the volume and subtract “important" and you'll have a value that's close to what you see in Settings.

nighthawk,
@nighthawk@aus.social avatar

@sdw If you open the Camera app, select videos, enable “ProRes HDR”, you get a button that frees up the free space. Weird that this button doesn’t exist in the Settings app.

danedeasy,

@nighthawk isn’t that only to external storage?

nighthawk,
@nighthawk@aus.social avatar

@danedeasy No, main storage, too. I first came across it when iPulse reported my phone to be 95% full even though the Settings app said I had 60% free space. Tapping that button and waiting aligned them (for the most part).

danedeasy,

@nighthawk I don’t see the button. Can you post a screenshot?

nighthawk,
@nighthawk@aus.social avatar

@danedeasy Sure. It only appears if there’s space to clean up, I guess.

tomhannen,
@tomhannen@mastodon.social avatar

@sdw shut down and restart? My phone often seems to lie about free space, especially when downloading iOS updates. It’s baffling.

sdw,
@sdw@mastodon.social avatar

@tomhannen nope, it's persistent

jdechko,
@jdechko@mastodon.social avatar

@sdw @tomhannen I’m not an expert, but it sounds like a side effect of the changes in how macOS/ iOS report free vs purgable space. I had a similar issue a few years ago, and I don’t actually recall if I did something or if it just kinda resolved itself.

sdw,
@sdw@mastodon.social avatar

@jdechko @tomhannen definitely on to something there. Our new video app storage settings we built sees about a gig free for recording. This is going to be fun to talk to users about...

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