Yes, most of the data is already compressed, so that lines up with you explanation. Thanks for the quick explanation! - J On Feb 3, 2014, at 10:54 PM, Colin Percival <cperciva@tarsnap.com> wrote: > On 02/03/14 21:42, John Pederzolli wrote: >> I am not sure I understand the output from --print-stats, I receive the >> following: >> >> Total size Compressed size All archives >> 26594559289 26669135002 (unique data) >> 26282387060 26397244896 >> >> My questions is why is compressed size _greater_ than total size for both >> 'All archives' and ' (unique data)'? > > The "compressed" here really means "what actually gets stored", so it includes > a small amount of overhead per block. You presumably have data which can't be > compressed at all, in order for this overhead to be noticeable like this. > > -- > Colin Percival > Security Officer Emeritus, FreeBSD | The power to serve > Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid >
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