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ownedbycats · 01-11-2022, 05:19 PM

A couple of ideas:

Run Library > Library Maintenance > Check library. This'll vacuum your database and check for errors.

If you're using 32-bit Calibre, switch to 64-bit, assuming your system will support that. This'll let it use more memory.

If you use any composite columns ("column built from other column"), check them. Sometimes bad coding in them can slow things down. In that case, either look into improving the template or seeing whether it would work better as a non-composite.

Run a checkdsk (or whatever is similiar for your OS) on the drive holding the library. I had a bad drive causing Calibre slowness.

01-11-2022, 05:19 PM	#2
ownedbycats Custom User Title Posts: 10,988 Karma: 75337983 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	A couple of ideas: Run Library > Library Maintenance > Check library. This'll vacuum your database and check for errors. If you're using 32-bit Calibre, switch to 64-bit, assuming your system will support that. This'll let it use more memory. If you use any composite columns ("column built from other column"), check them. Sometimes bad coding in them can slow things down. In that case, either look into improving the template or seeing whether it would work better as a non-composite. Run a checkdsk (or whatever is similiar for your OS) on the drive holding the library. I had a bad drive causing Calibre slowness. Last edited by ownedbycats; 01-11-2022 at 05:26 PM.