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kovidgoyal · 04-04-2009, 05:17 PM

Not really, it's a pretty simple problem, say you have 20000 books in your database, and are adding 100 new books

Then calibre has to make 20,000 * 100 comparisons to check for duplicates. That's presumably what's slowing it down.

04-04-2009, 05:17 PM	#8
kovidgoyal creator of calibre Posts: 43,844 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Not really, it's a pretty simple problem, say you have 20000 books in your database, and are adding 100 new books Then calibre has to make 20,000 * 100 comparisons to check for duplicates. That's presumably what's slowing it down.