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Topic: iTunes File Size Increase with Mountain Lion?

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Old 07-04-2013, 08:20 PM
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iTunes File Size Increase with Mountain Lion?

I recently retired the old MBP running Snow Leopard in favour of a new MBA.

I moved the data over from a backup on an external HD. The size of the iTunes library when viewed within iTunes is the same as it was on the old machine, but Daisydisk is showing the iTunes file size now being 20GB bigger than that. (I went to Daisydisk to try to find out why the total amount of stuff on the HD went from 88GB to 144GB in the move!)

Any ideas what is taking up this space?
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Old 07-05-2013, 08:48 PM
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I have no idea. Did iTunes download album art, move some files around, or create additional copies? What program did you use to create the backup?



64GB iPhone 5 | 64GB iPad mini | AppleTV 2 (2012) | AppleTV 2 (2010) | 4GB 3G iPod shuffle | 2012 15" MacBook Pro, 1TB SSHD, 16GB DDR3 1600 MHz, OS X 10.8.4 Mountain Lion | Apple Lossless | iTunes AAC -Q 68 | iTunes 11.1 | Library size = 1.78TB | Legacy iPods: 3G 40GB, 4G 40GB, 5G 60GB, 160GB iPod classic (2009)
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Old 07-05-2013, 11:27 PM
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I used Superduper, which has always been fine..
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Old 07-06-2013, 09:12 AM
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How did you move the backup of your library over? Did you use iTunes or just copy the backup over?



64GB iPhone 5 | 64GB iPad mini | AppleTV 2 (2012) | AppleTV 2 (2010) | 4GB 3G iPod shuffle | 2012 15" MacBook Pro, 1TB SSHD, 16GB DDR3 1600 MHz, OS X 10.8.4 Mountain Lion | Apple Lossless | iTunes AAC -Q 68 | iTunes 11.1 | Library size = 1.78TB | Legacy iPods: 3G 40GB, 4G 40GB, 5G 60GB, 160GB iPod classic (2009)
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Old 07-06-2013, 08:22 PM
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Just did a complete transfer of the backed up copy of the HD, using Set Up Assistant
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Old 07-11-2013, 09:36 PM
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OK, have now had the chance to run Daisydisk on both the new and old MacBooks.

It looks like the culprit is definitely somewhere in the iTunes folder.

Both machines are running iTunes 11.04 (4). The size of both song libraries is 58.7GB. However, the total iTunes folder on the old MBP, running OSX 10.6.8, is 60.1GB, while on the new MBP running 10.8.4 the folder size is 72.7 GB, despite the contents of the iTunes folders being identical.

Any suggestions?
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Old 07-12-2013, 02:39 PM
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After transferring everything over, did you open up iTunes to manage the new library? If so, did you stop iTunes from scanning tracks for playback levels along with stopping it from looking up album art (they are two separate processes)?



64GB iPhone 5 | 64GB iPad mini | AppleTV 2 (2012) | AppleTV 2 (2010) | 4GB 3G iPod shuffle | 2012 15" MacBook Pro, 1TB SSHD, 16GB DDR3 1600 MHz, OS X 10.8.4 Mountain Lion | Apple Lossless | iTunes AAC -Q 68 | iTunes 11.1 | Library size = 1.78TB | Legacy iPods: 3G 40GB, 4G 40GB, 5G 60GB, 160GB iPod classic (2009)
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Old 07-12-2013, 06:34 PM
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No, I didn't. Does that mean that the extra volume could be Album art that wasn't on the older Mac?
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Old 07-19-2013, 02:22 AM
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May be you can through some program to make it.
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Old 07-19-2013, 06:36 AM
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Quote:
Originally Posted by ctrunfree@hotma View Post
No, I didn't. Does that mean that the extra volume could be Album art that wasn't on the older Mac?
Depending on how many albums you have, album art can add quite a bit of heft to a library. The same goes for gapless playback information along with volume playback levels (if you use SoundCheck). A single album art image normally takes up about 1.5-2MB. Multiply that out by the amount of albums (not songs as each song in an album uses the same linked image) you have and it could account for some of the bloat. All-in-all, an extra ~12GB is nothing too bad. You could always remove the library from your new system and move it back manually without software. I don't see a need for using software to copy over an iTunes library when it can be done manually rather easily.



64GB iPhone 5 | 64GB iPad mini | AppleTV 2 (2012) | AppleTV 2 (2010) | 4GB 3G iPod shuffle | 2012 15" MacBook Pro, 1TB SSHD, 16GB DDR3 1600 MHz, OS X 10.8.4 Mountain Lion | Apple Lossless | iTunes AAC -Q 68 | iTunes 11.1 | Library size = 1.78TB | Legacy iPods: 3G 40GB, 4G 40GB, 5G 60GB, 160GB iPod classic (2009)
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Old 07-24-2013, 10:22 AM
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Thanks for the responses. I guess I can live with the extra 12GB, still have 144GB to play with so should be a while before space becomes a problem..
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