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Joanna · 12-30-2015, 10:25 AM

Recently, I've made quite a revolution in my Calibre libraries, changing its organization, adding books, merging libraries, adding new settings etc.

I'm very happy about my new Calibre library and at the same time, quite sad, as the performance seems to be worse than before. Calibre is less 'responsive', scrolling is more 'jerky', it takes a little bit longer to edit the column in the table view etc. It's not terrible but got me worried.

The changes I've introduced recently:
- merging several libraries - before, the biggest one had ca. 1400 books, now I have almost 2300,
- using virtual library tabs,
- increased number of custom columns - partly because some of them existed in one of my libraries only. There are 23 custom columns at the moment, most of them set only for a relatively small subset of books. Only one of them is built from other columns,
- having used yet another custom column with 'program: user_categories()' template (but I've removed that one, as it's supposed to be heavy on resources),
- increased number of categories displayed in the Tag Browser (21 in total),
- increased number of 'big' books - ca. 100 over 50 MB, mostly .zip due to the fact I've added audiobooks and language courses to the library,
- changing rules for column icons and, to a lesser extent, emblems (more rules - ca. 20 for columns icons, a bit more complex than before).

I usually have no more than 10 columns displayed in the table view at the same time, and tend to work with subsets of books (virtual libraries, under 1000 books). In the book details, no more than 10 columns are shown for any given book (and usually, there are fewer of them). I don't like hiding the Tag Browser.

As I'm really happy about my setup, I would prefer not to split the library back into several physical ones.

What do you think about it? Any way to improve the performance without a new revolution?

Using Calibre Portable 2.44 on an external HDD, Windows 7 Professional 64-bit, the laptop is on the slower side (4 GB RAM, SSD, old processor), usually a couple of programs running at the same time.

12-30-2015, 10:25 AM	#1
Joanna Groupie Posts: 199 Karma: 76476 Join Date: Feb 2012 Location: Poland Device: none	Calibre - running more slowly Recently, I've made quite a revolution in my Calibre libraries, changing its organization, adding books, merging libraries, adding new settings etc. I'm very happy about my new Calibre library and at the same time, quite sad, as the performance seems to be worse than before. Calibre is less 'responsive', scrolling is more 'jerky', it takes a little bit longer to edit the column in the table view etc. It's not terrible but got me worried. The changes I've introduced recently: - merging several libraries - before, the biggest one had ca. 1400 books, now I have almost 2300, - using virtual library tabs, - increased number of custom columns - partly because some of them existed in one of my libraries only. There are 23 custom columns at the moment, most of them set only for a relatively small subset of books. Only one of them is built from other columns, - having used yet another custom column with 'program: user_categories()' template (but I've removed that one, as it's supposed to be heavy on resources), - increased number of categories displayed in the Tag Browser (21 in total), - increased number of 'big' books - ca. 100 over 50 MB, mostly .zip due to the fact I've added audiobooks and language courses to the library, - changing rules for column icons and, to a lesser extent, emblems (more rules - ca. 20 for columns icons, a bit more complex than before). I usually have no more than 10 columns displayed in the table view at the same time, and tend to work with subsets of books (virtual libraries, under 1000 books). In the book details, no more than 10 columns are shown for any given book (and usually, there are fewer of them). I don't like hiding the Tag Browser. As I'm really happy about my setup, I would prefer not to split the library back into several physical ones. What do you think about it? Any way to improve the performance without a new revolution? Using Calibre Portable 2.44 on an external HDD, Windows 7 Professional 64-bit, the laptop is on the slower side (4 GB RAM, SSD, old processor), usually a couple of programs running at the same time.