One or three libraries?

msel · 11-13-2021, 09:05 AM

I've three libraries, every one has between 8500 and 10500 Items. I want to simplify the management of the library. At the time I often copies book from one to another library.
Should I create only one library with three virtual libraries? Or would this large library (about 30000 items) to big to manage with Calibre?

theducks · 11-13-2021, 09:31 AM

Reasons for separate Libraries:
1) Structure differences (different custom Columns)
2) Age restrictions (isolate Adult content from little eyes)
3) Intake processing (clean metadata and normalize tags, ratings) before adding to Target Library

You already figured out the reason for combined ones

msel · 11-13-2021, 10:45 AM

Thank you, theducks, so I will combine all the libraries to one. How many virtual libraries I need I will decide later (one at least, but perhaps the most of the books / videos / podcasts are not in any virtual library).

ownedbycats · 11-13-2021, 10:49 AM

Also, a bit of advice: If you're using 32-bit Calibre, it may have an issue with that many books. So if you can do so, upgrade to 64-bit - it can utilize more memory.

Sirtel · 11-13-2021, 11:08 AM

No issues with about 25,000 books here. They're all in one library and I don't even use virtual ones, just various tags, custom columns and saved searches.

11-13-2021, 09:05 AM	#1
msel Connoisseur Posts: 76 Karma: 143132 Join Date: Sep 2010 Device: Kindle Keyboard 3G	One or three libraries? I've three libraries, every one has between 8500 and 10500 Items. I want to simplify the management of the library. At the time I often copies book from one to another library. Should I create only one library with three virtual libraries? Or would this large library (about 30000 items) to big to manage with Calibre?

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11-13-2021, 09:31 AM	#2
theducks Well trained by Cats Posts: 31,249 Karma: 61360164 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	Reasons for separate Libraries: 1) Structure differences (different custom Columns) 2) Age restrictions (isolate Adult content from little eyes) 3) Intake processing (clean metadata and normalize tags, ratings) before adding to Target Library You already figured out the reason for combined ones

11-13-2021, 10:45 AM	#3
msel Connoisseur Posts: 76 Karma: 143132 Join Date: Sep 2010 Device: Kindle Keyboard 3G	Thank you, theducks, so I will combine all the libraries to one. How many virtual libraries I need I will decide later (one at least, but perhaps the most of the books / videos / podcasts are not in any virtual library).

11-13-2021, 10:49 AM	#4
ownedbycats Custom User Title Posts: 11,351 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	Also, a bit of advice: If you're using 32-bit Calibre, it may have an issue with that many books. So if you can do so, upgrade to 64-bit - it can utilize more memory.

11-13-2021, 11:08 AM	#5
Sirtel Grand Sorcerer Posts: 13,983 Karma: 243829945 Join Date: Jan 2014 Location: Estonia Device: Kobo Sage & Libra 2	No issues with about 25,000 books here. They're all in one library and I don't even use virtual ones, just various tags, custom columns and saved searches.

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