Quote:
Originally Posted by bpothier
This isn't strictly a FFF issue, but Calibre seems to take a *LOOOOONG* time when it gets to the updating books stage - after the Yes/No/View Log part.
I recently had FFF update 2000 books using the cached metadata field. It took under an hour for FFF to do its part, but Calibre took close to 20 hours to import those updated books. This is on Win10, and looking at resmon, Calibre doesn't seem to be doing much during this stage - no heavy CPU, disk or network activity. It often goes "Not Responding" and then resumes. Are there any suggested tweaks to speed up this part of things?
One "small" thing, still running Calibre 64bit 4.23.0 - no real reason not to jump to 5.x at this point, was just holding off initially for plugins to catch up...
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I can't say I've seen this, but then I neither update metadata on 2000 books at a time, nor run Calibre v4.
In years past, I would speculate that doing such a large update may have exceeded your computer's working memory and it had to use virtual memory on disk which is a
lot slower; I want to say 10-100x slower. However, today's computers generally have so much memory, I don't know if that's still a concern--I don't think my current computer even has virtual memory configured.
To be perfectly honest, I'm not going to spend time on a possible issue with huge mass update on an outdated version of Calibre.