Thread: Large library in KOReader
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Old 02-03-2020, 02:13 PM   #10
ilovejedd
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Posts: 5,110
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Join Date: Jan 2009
Location: in the middle of nowhere
Device: PW4, PW3, Libra H2O, iPad 10.5, iPad 11, iPad 12.9
Quote:
Originally Posted by NiLuJe View Post
(The only non-developer valid use-case for messing with that is if you've massively changed your Library's content, and want to purge old thumbnails from no-longer-available books... to end up saving, like, 5MB.
Lol, I actually use it quite often to batch update metadata for in-progress fics.

For kicks, I tried copying 5,458 EPUB files to a new test folder on the PW4. Indexing took 1 hour 3 minutes.

/Fandom/A/Authors - Series 01 - Title

Most number of files in a single folder is 654. Browsing is reasonably fast with file system based sort methods although I probably should've nested it some more.

It seems when you open a "parent" folder, the "child" folders also get scanned so it can display how many items/"grandchildren" there are in the the "child" folders. That said, even with 3125 "grandchildren" inside 27 "child" folders, opening the parent folder didn't take too long (2-3 seconds).
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