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Old 09-06-2017, 06:11 PM   #4
itimpi
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Join Date: Nov 2008
Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)
Quote:
Originally Posted by BartZorn View Post
OK, we have a ridiculous large database, over 30000 entries.
. That is not a particularly large library. I have over 45000 in mine and Performance is fine, but all files are on a local HDD.
Quote:
I am running calibre 3.7, on a Core i7 laptop with plenty memory, The database resides on a file server with a Gb ethernet connection.
This will be the cause of the performance issue. Database performance over a network is notoriously bad. Also it is not an officially supported way of running - only running off a local drive is officially supported.

I used to run with the Books in the Calibre library on my NAS and the database on a local drive. That gives nearly as good performance as having everything local. I would then periodically sync the database back to the Calibre library on the NAS.
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