I have about 1,000 books. Using a 2018 i7 Mac mini with 64GB of ram, the indexing really only took a few minutes (certainly less than 10). However, even though I said to index only epub, it also wanted to index three books I have that are pdf format. Trying to convert those books has taken an hour and a half and still isn't done.
I am surprised that it tries to convert pdf when I only selected epub.
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