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Re: --print-stats question



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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