Aperture 3 - does Time Machine backup the entire library when you modify it

Since installing Aperture 3 and importing my iPhoto library, I've noticed that my daily Time Machine backups are now ~40GB. My Aperture library is 60GB, so I guess it can't be doing a full backup of it every day but I'm suspicious that it's Aperture related. Anyone know how I can see what's going on?

The only way to test a back up is to do a restore.
FWIW Time Machine does incremental back ups - i.e it backs up the changes - rather than doing a whole back up each time.
There's a Time Machine forum here
http://discussions.apple.com/forum.jspa?forumID=1342
with some very knowledgeable people posting on it.
Regards
TD

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Does Time Machine backup the Applications folder?

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I have got to replace my internal hard drive so have to back up just everything to an ext drive.
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Thanks

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Hi Barry
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As you can see here it is
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John, another tech pro ("baltwo") suggests:
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Read C12 and C17
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(50538)

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https://discussions.apple.com/docs/DOC-3107
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Aperture 3 - does Time Machine backup the entire library when you modify it

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