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Why is there a 120 MB "storage" folder in my profile directory?
There is a 120mb folder called "storage" in my profile directory which wasn't there before. The last time I checked was when I disabled disk cache some weeks ago (guess it may have to do). The Offline Web Content and User Data options seem irrelevant, so I would like to know what it is, and how to prevent it from being created, or at least growing so much. 106mb of it is in a "temporary" subfolder for unrealengine.com, but if it is temporary, why is it still there weeks after I visited that site? I'm just trying to minimize drive usage and occupation as much as I can without losing usability, so any other tips for that would be welcome.
All Replies (15)
Um, have you tried looking in the options...?
Options -> Privacy -> "Clear history when Firefox closes" [Settings...]
Unfortunately that did not work carbohydrates. The folder is still the same size.
Have you got dom.storage.enabled set to true in about:config? If you remove the folder and set dom.storage.enabled to false, does it come back?
Sadly it does come back even with that setting set to false finitarry. This page makes the folder 114 mb big immediately: https://www.unrealengine.com/html5/
You shouldn't disable local DOM storage (leave dom.storage.enabled = true) as it can cause issues.
What folder under the storage folder takes up that much space?
Firefox stores the snippets used on the about:home as well in that location.
cor-el, the folder "temporary" is the one, and inside it another named "https+++www.unrealengine.com".
That means that the unrealengine.com website is storing this data.
Do you have any software from that website installed?
No, as I said above, in my reply to finitarry, just by visiting that link (https://www.unrealengine.com/html5/) I get 114 mb in that temporary storage folder. I don't want any sites creating storage files in my drive whenever they like without my permission.
cor-el, according to that link: "The user interface will just ask permission for storing blobs bigger than 50 MB". I am not being asked permission by FF, so it's safe to assume the link is not related to my problem. That means I still don't know why FF is letting a website immediately create 114mb of data in my profile folder, labelling it temporary, and letting it sit there forever. Especially after I disabled the disk cache to prevent that kind of bs.
Anyway, I'd appreciate it if you check if you also get it from the link I posted. https://www.unrealengine.com/html5/ I hope it's not just me.
That looks like a game and all the game data is likely stored locally to be able to play this game.
Fair enough cor-el, but I would still like to know if there is a way to prevent FF from potentially downloading gigabytes of data from a single page with the pretext that it's a game.
You could change that limit from 50 MB to 1 MB. That way, you should get notified sooner.
I don't get notified at all finitarry.
If the amount of data to be stored exceeded 1 MB, you would get notified, instead of requiring as much as 50 MB. I have not been notified either, so I guess Adblock Plus and whatever other extensions require indexedDB are not using more than 1 MB.