Quote:
Originally Posted by johnnyb
Ok I have excluded any possibility that it wouldnt be Calibre that made the files so slow... Converted from txt, rtf and html, Calibre mobis are slow (even if sent via email with conversion), if I convert them through Amazon, they are lightning fast...
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MOBI is a proprietary format. The only public documentation is a partial specification of the file that was achieved though reverse engineering. For instance Amazon created MOBI files are indexed. calibre tries to index them in the same way but this isn't 100% as the process is not publicly available.
Quote:
Originally Posted by johnnyb
The only question that remains is then, how can I remove Calibre from my Mac so that everything will be restored to initial settings in Calibre without me losing my library...
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Why do you want to do this?
Quote:
Originally Posted by johnnyb
How much work is it to reload the whole library?
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Reloading as in importing each individual book back into calibre? That's going to depend on how many books you have and how good the metadata is in the books themselves.
Quote:
Originally Posted by johnnyb
How can I reset my Kindle so that all Calibre data on there will be gone?
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Just delete everything on the Kindle.
Quote:
Originally Posted by johnnyb
And finally, why does it take over an hour until Calibre has initially set up metadata files on my Kindle (on first connection after deleting the present metadata file)?
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The metadata file is a cache of the metadata in each file. It's much faster to read from this file. If it's gone (first connection) then calibre has to read the metadata from each individual file on the device. As you've found this is slow.
Quote:
Originally Posted by johnnyb
Is it advisable to begin with a totally empty Kindle and redownload my Amazon books afterwards?
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If you're worried about removing all calibre files then yes.
Quote:
Originally Posted by johnnyb
Could a jailbreak have ANY impact on this behavior?
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Possibly. We don't provide support for non-stock devices.