On Wed, 2002-04-10 at 02:28, Anthony Towns wrote:
I think you'll find you're also unfairly weighting this against people
who do daily updates. If you do an update once a month, it's not as much
of a bother waiting a while to download the Packages files -- you're
going to have to wait _much_
On Wed, 2002-04-10 at 04:35, Michael Bramer wrote:
Scheme Disk space Bandwidth
---
Checksums (bwidth optimal)26K 81K
diffs (4 days)32K 331K
On Wed, 2002-04-10 at 09:46, Erich Schubert wrote:
What diff options do you use?
As the diffs are expected to be applied to the correct version, they
probably shouldn't contain the old data, but the new data only.
Good point. I used diff -ed, so I think this is not including
unnecessary
On Thu, 2002-04-11 at 01:15, Martin Pool wrote:
There seems to be a thread about rsync and Debian packages every
couple of months. I've written up a document which tries to cover all
of the questions and debates. It's pretty informal, but hopefully
will be useful.
On Fri, 2002-04-12 at 00:14, Anthony Towns wrote:
No, I'm not. I'm saying that the amount of time spent waiting for
apt-get update needs to count every apt-get update you run, not just
the first. So, if over a period of a week, I run it seven times, and you
run it once, I wait seven times as
On Fri, 2002-04-12 at 01:47, Martin Pool wrote:
On 11 Apr 2002, Robert Tiberius Johnson [EMAIL PROTECTED] wrote:
Also, in section 3.15, you say, Fetching a series of deltas which
update the same area is less efficient than calculating the deltas
directly. This is true, but by my
On Tue, 2002-04-09 at 17:25, Martijn van Oosterhout wrote:
What you are suggesting is that the server store checksums for precalculated
blocks on the server. This would be 4 bytes per 1k in the original file or
so. The transaction proceeds as follows:
1. Client asks for checksum list off
On Sun, 2002-04-07 at 19:36, Adam Heath wrote:
54 days with of Packages(sid/main/i386) gives 900k of xdeltas.
Thanks for the info. I think that keeping 54 days of diffs (or xdeltas)
is unnecessary -- most of the benefit is accrued by keeping only 20 days
or so. But I need real stats on
On Sun, 2002-04-07 at 11:16, Otto Wyss wrote:
What amazes me is that nobody is able or willing to provide any figures.
So I guess no provider of an rsync server is interested in this subject
and therefore it can't be a big problem.
Here are some experiments, and a mathematical analysis of
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