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Re: [Duplicity-talk] Strange reported size (--no-compression usage)


From: Nate Eldredge
Subject: Re: [Duplicity-talk] Strange reported size (--no-compression usage)
Date: Wed, 14 Nov 2018 13:42:53 -0700

Do you have sparse files?

> On Nov 14, 2018, at 10:32, Florent B via Duplicity-talk <address@hidden> 
> wrote:
> 
> Hi everyone,
> 
> On a 67GB set of data (size reported by "du" command), I have a strange
> backup size :
> 
> --------------[ Backup Statistics ]--------------
> StartTime 1542206341.16 (Wed Nov 14 15:39:01 2018)
> EndTime 1542213693.41 (Wed Nov 14 17:41:33 2018)
> ElapsedTime 7352.25 (2 hours 2 minutes 32.25 seconds)
> SourceFiles 15785
> SourceFileSize 437413719036 (407 GB)
> NewFiles 15785
> NewFileSize 437413719036 (407 GB)
> DeletedFiles 0
> ChangedFiles 0
> ChangedFileSize 0 (0 bytes)
> ChangedDeltaSize 0 (0 bytes)
> DeltaEntries 15785
> RawDeltaSize 71926352063 (67.0 GB)
> TotalDestinationSizeChange 23016875024 (21.4 GB)
> Errors 0
> -------------------------------------------------
> 
> It is a full backup, using --no-compression option.
> 
> Why is my backup only 21.4 GB when my data is 67GB ?
> 
> And what is the "407 GB" size ?? I don't have such data !
> 
> The data is on a CephFS filesystem, using fuse, and backup destination
> is multi par2+B2+S3.
> 
> Thank you.
> 
> Florent
> 
> 
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