05-11-2020, 05:11 AM | #1 |
Connoisseur
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e-book viewer; preparing book for first read
I have a strange behavior of the e-book viewer.
Opening a book that has been opened before takes less than 3 seconds. “Preparing book for first read” takes less than 5 seconds. Acceptable figures. However, after a fresh start of my laptop, the first book with the message “Preparing book for first read” takes at least 2.5 minutes!! So the e-book viewer does something the first time it has to prepare a book. My laptop is 1.8 GHz, 8 Gb mem, 64 bits, Windows10 latest version and SSD drive. Any idea what’s going on? |
05-11-2020, 05:29 AM | #2 |
null operator (he/him)
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Recently read books are cached, IIRC in the user Temp folder. Sounds something, probably a 3rd party utility, is clearing it when you restart your laptop.
You can take control of its location via the CALIBRE_CACHE_DIRECTORY Environment variable. BR |
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05-11-2020, 10:03 AM | #3 |
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I don't think it has to do with cached books being cleared. It has to do with books never read before and being the first one after starting windows. The second never read book does open quickly.
I looked for the cached books but i can't find them anywhere. Can anyone tell me it's location? |
05-11-2020, 10:35 AM | #4 |
creator of calibre
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the viewer does nothing differently the first time it prepares a book after a reboot, indeed it knows nothing about when your computer was last rebooted, at all. Most likely something else on your compputer is causing the slowdown. Perhaps an antivirus is extra suspicious after a reboot. Or some cache of DLLs is cleared by the OS and needs to be reloaded. Or something else. I can tell you the time for preparing a book is identical after a reboot on my windows system.
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05-11-2020, 01:18 PM | #5 |
Connoisseur
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Thank you koval for your responce.
Is there a way of running calibre in some kind of debug mode so i can see what's going on? And where are the cached books located on mij computer? Fred |
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05-11-2020, 02:13 PM | #6 |
Well trained by Cats
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05-11-2020, 11:17 PM | #7 |
creator of calibre
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cached books are located in the calibre cache director which BR already told you how to control.
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05-15-2020, 07:07 AM | #8 |
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