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From: | Kenneth Loafman |
Subject: | Re: [Duplicity-talk] --max-blocksize? |
Date: | Wed, 22 Oct 2014 14:12:45 -0500 |
yo Ken,
will one branch do? to lazy to do one for each branches.. ede
On 19.10.2014 18:39, Kenneth Loafman wrote:
> ede,
>
> Sure, go ahead. Thanks!
>
> ...Ken
>
>
> On Sun, Oct 19, 2014 at 11:21 AM, <address@hidden <mailto:address@hidden>> wrote:
>
> hey Ken,
>
> nicely explained.. want to put that in the manpage?
>
> ..ede
>
> On 19.10.2014 18:05, Kenneth Loafman wrote:
> > Remy,
> >
> > Sorry about not getting back to you sooner...
> >
> > max_blocksize determines the size of the block examined for changes during the diff process. For files < 1MB the blocksize is a constant of 512. For files over 1MB the size is given by:
> >
> > file_blocksize = int((file_len / (2000 * 512)) * 512)
> > return min(file_blocksize, globals.max_blocksize)
> >
> > where globals.max_blocksize is defaulted to 2048. If you specify a larger max_blocksize, your difftar files will be larger, but your sigtar files will be smaller. If you specify a smaller max_blocksize, the reverse occurs. The --max-blocksize option should be in multiples of 512.
> >
> > ...Thanks,
> > ...Ken
> >
> >
> > On Wed, Oct 1, 2014 at 2:51 PM, Remy van Elst <address@hidden <mailto:address@hidden> <mailto:address@hidden <mailto:address@hidden>>> wrote:
> >
> > duplicity --help shows me the following option:
> >
> > --max-blocksize=number
> >
> > What does it do and in what unit is the "number"? I can only find a
> > launchpad ticket for large files, the man page on the website does not
> > list this option. Is there any more info?
> >
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> >
> >
> >
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