Re: Adding bsdiff to the base system
From: John Polstra (jdp_at_polstra.com)
Date: 04/08/05
- Previous message: Earl Duque: "Removing T/TCP and replacing it with something simpler"
- In reply to: Colin Percival: "Re: Adding bsdiff to the base system"
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Date: Fri, 08 Apr 2005 08:11:36 -0700 (PDT) To: Colin Percival <colin.percival@wadham.ox.ac.uk>
On 07-Apr-2005 Colin Percival wrote:
> The reason portsnap is more efficient lies in how portsnap and CVSup
> determine which files need to be updated. The ports tree contains
> roughly 71000 files, and the first thing the CVSup client does is list
> all of these files and send that list to the server.
>
> In contrast, portsnap has an index file -- containing, roughly speaking,
> that same list -- and the portsnap client merely sends the sha256 hash of
> this index file to the server, which responds with either "I recognize
> that index -- here's a patch which will turn it into the latest index"
> or "I don't recognize that -- here's the new index".
Nice!
John
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- Previous message: Earl Duque: "Removing T/TCP and replacing it with something simpler"
- In reply to: Colin Percival: "Re: Adding bsdiff to the base system"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
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