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Old 04-22-2010, 12:47 PM   #1
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Maximum number of books?
I had thought this would be in the FAQ but I don't see it...apologies if it is there and I just missed it.

My question: Is there a limit as to how many books can be in the Calibre library? Is there a file size limit that applies to the library?

It's awfully easy to get a large library if you have several versions of the books, so I just wondered if I'd eventually hit some size limit.
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Old 04-22-2010, 01:07 PM   #2
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As far as I kbnow there is no built in limit. The largest library I have heard of people already having is around 30K books which is quite a large library. I personally currently have about 9K books in a wide variety of formats (averaging around 4 formats per book) - total size is around 14GB.
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Old 04-22-2010, 01:20 PM   #3
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There are no limits. All that will happen as your library size grows is performance for searching/sort will decrease.
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Old 04-22-2010, 01:49 PM   #4
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The only limit I run into is the size of individual book. I got a memory error message when trying to add a very large audio book (~2Gb).
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Old 04-24-2010, 07:32 AM   #5
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Originally Posted by itimpi View Post
As far as I kbnow there is no built in limit. The largest library I have heard of people already having is around 30K books which is quite a large library. I personally currently have about 9K books in a wide variety of formats (averaging around 4 formats per book) - total size is around 14GB.
Yep. Just imported 31222 books, total size 11GB. That took a day (literally; it took almost 24 hours), but version 0.6.49 now starts up in 1,5 minutes and searches take < 2 sec.

The older versions were completely unusable on this machine (1.5GB RAM, 1,66GHz Core2Duo T5500) with only ~20K books in them (last time I tried). Startup took more than 20 minutes and searches took minutes. This with a DB created with a humongous batchfile of 'calibredb add'-commands, as importing through the GUI...welll

Great job, Kovid!
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Old 04-26-2010, 02:15 AM   #6
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Agreed, it's snappier.
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Old 01-24-2011, 06:56 PM   #7
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I'm running into an issue where my library is 11354 ebooks, and I receive a notification that the application has stopped responding while importing. Is there a trick to the import process?
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Old 01-24-2011, 09:26 PM   #8
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I'm running into an issue where my library is 11354 ebooks, and I receive a notification that the application has stopped responding while importing. Is there a trick to the import process?
That may mean the child (of the import) process took longer that Windows thinks it should , Wait it out (at least a equal amount of time to that befor the message) and see if it recovers (usually does).
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