Performance of flat directory structures in iOS -


on ios filesystem, there way optimize file access performance using tiered directory structure vs. flat directory structure?

specifically, app has objects each contain number of images , data files. user create thousands of these objects , need optimize access 1 image ~100 arbitrary objects @ time.

in situation, how should organize files on filesystem? tiered directory structure faster flat one? , if so, how should structure tiered system (i.e. how many tiers, , how many subdirectories / files per tier)?

thanks!

well first of might try flat structure see if slow or not. perhaps apple has put in code optimize how files found , don't need worry this. can build out whole app , test how loads , see if meets requirements.

if need speed suggest trying make sort of structure based on name of file. have folder has of items beginning letter 'a' or 'b' , on , forth. split 26 folders should decrease amount of items in each. depending on how name files might want different scheme each of folders had similar amount of items in it


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