IndexedDb Restrictions with data amount?

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Hello,

We have a need to use IndexedDb for Offline usage of our applications. Our applications are related with map solutions. Maps are created by using OpenLayer. We need to store not only a map itself but also geodata. Maps are vector based and can be as big size as 100-300 Mb. Is that a major problem? Can anyone figure out any other restrictions in our solution?

Thanks!

Petri

Posted 20-Oct-15 22:33pm

Petri Kolmonen

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Kornfeld Eliyahu Peter · Answer 1 · 2015-10-20T22:59:00

Different browsers have different restrictions on indexedDB...

Firefox - has no actual description, but storing larger than 50MB will cause the browser to ask the end user to agreement...
IE - it has some restrictions even in the API (not all supported), and also data can be up to 250 MB for each application...
Chrome - it is a dynamic calculation - basicly it is up to 20% of the 1/3rd of the available disk space...However it is a shared space, so it can be less

You may demand a specific browser to use with your application (not too nice, but bearable), also have to see how many such maps should be stored while offline...