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Are there plans to get U1 syncing only changes in files? It seems like anytime I listen to a sync'd song, it re-uploads the whole song instead of just the (very small) part where Banshee incremented the listens count and what ever else happens when I listen.

If I remember correctly, Dropbox handles this more gracefully. Does anyone have any answer about plans like this for U1?

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sounds like a wishlist bug to me, but I could be wrong. –  RolandiXor Nov 3 '10 at 5:32
    
That very well could be, but I was wondering if anyone knew anything beyond "request it" before I requested it ... I also thought I read something about this quite a while ago, but I can't seem to find whatever it was that I read. –  greggory.hz Nov 3 '10 at 5:34
    
You can make Banshee track its listens counters internally (without writing them to the files) if you want to prevent this for now. –  JanC Nov 3 '10 at 6:09
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2 Answers

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Ubuntu One doesn't sync changes, but uploads whole file instead, no matter how small the change is. It's because of Amazon S3 protocol on which Ubuntu One is built on.

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This is very unfortunate. It would save an awful lot of bandwidth for everyone involved if this could be resolved at some point. –  greggory.hz Nov 3 '10 at 16:48
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I don't think it can be S3's fault, because Dropbox also uses S3: dropbox.com/help/7 –  Matthew Nov 29 '10 at 3:23
    
It is and it isn't. Its correct that S3 does not support uploads of "partial" files (ranges): BUT dropbox gets around this by Not uploading directly to S3 but instead to servers they run in AMazons EC2 cloud and and they then store the data into S3. –  Maks May 2 '12 at 0:28
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If this was resolved Ubuntu One could save a lot of money every month. Imagine the reduction in bandwidth Ubuntu would have to pay, and at 10 cents a GB it would add up.

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