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Re: Using zsync for .deb downloads: initial benchmark results

Subject: Re: Using zsync for .deb downloads: initial benchmark results
From: Lars Wirzenius
Date: Fri, 17 Jul 2009 17:25:11 +0300
ke, 2009-07-15 kello 02:52 +0800, John McCabe-Dansted kirjoitti:
> On Wed, Jul 15, 2009 at 12:19 AM, Lars Wirzenius<lars@xxxxxxxxxx> wrote:
> > Before I continue working on this, I'd like to have some feedback on
> > this: is a 25% reduction in download sizes worthwhile to pursue? It
> > would seem to require changing dpkg to call the external gzip binary to
> > use --rsyncable, rather than use the internal zlib library.
> 
> I think a better solution would be to fix zsync so it can look inside
> ar files.

My rsyncable2 scenario tested exactly that, unless I'm mistaken: it
un-did the compression within the ar and applied it on the ar instead.
This did not improve things a huge amount, though a bit.

Or did I misunderstand something?



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