>(no compression at all) you'd have to transmit 6-6.6MB of data - how
>do you arrive at 20MB?

I ran rsync --stats on two identical files of size 100MB with a 64KB
block size and extrapolated to 20GB.  The files themselves are

>That's sort of what I was getting at.. for example, if your file is
>appended to only, you might as well use the largest block size you can

I'm not worrying about append changes personally.  Just
transmutations.  i.e. byte number 2^26 which had value F2 now has
value 3A.

I think of appending as insertions which happen to be at the end of
the file.


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