Quote:
Originally Posted by BetterRed
Caveat - calibre reads the database into memory when a library is opened, so relocating it won't make much, if any, difference.
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Yep. All readonly activities get done on the in-RAM DB image, so searches and such are not impacted at all by the speed of your storage.
My metadata DB is about 600MB, and when I migrated to SSD Calibre's startup time decreased by a few seconds, and anything that updates the database became faster (sometimes by a lot: 'calibredb backup_metadata', which obviously writes a lot of very small files, became about 15 times faster), but search speed, where the OP's issue is, did not change.
So, to the OP: don't bother. If searches take too long, the bottleneck is not your disk, but CPU and/or RAM. If you're not already doing this, make a habit of restricting your searches, like 'title:<blahblah>' or 'authors:'blahblah'. Calibre then only searches that table instead of the entire metadata database, and that can make a significant difference.