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diff --git a/zarb-ml/mageia-discuss/20101107/002942.html b/zarb-ml/mageia-discuss/20101107/002942.html new file mode 100644 index 000000000..9702a4b7d --- /dev/null +++ b/zarb-ml/mageia-discuss/20101107/002942.html @@ -0,0 +1,135 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-discuss] Suggestions for the ISO + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20Suggestions%20for%20the%20ISO&In-Reply-To=%3C4CD5EACC.7070208%40laposte.net%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="002941.html"> + <LINK REL="Next" HREF="002943.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-discuss] Suggestions for the ISO</H1> + <B>andre999</B> + <A HREF="mailto:mageia-discuss%40mageia.org?Subject=Re%3A%20%5BMageia-discuss%5D%20Suggestions%20for%20the%20ISO&In-Reply-To=%3C4CD5EACC.7070208%40laposte.net%3E" + TITLE="[Mageia-discuss] Suggestions for the ISO">andr55 at laposte.net + </A><BR> + <I>Sun Nov 7 00:54:52 CET 2010</I> + <P><UL> + <LI>Previous message: <A HREF="002941.html">[Mageia-discuss] Introducing mageia-app-db +</A></li> + <LI>Next message: <A HREF="002943.html">[Mageia-discuss] Suggestions for the ISO +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#2942">[ date ]</a> + <a href="thread.html#2942">[ thread ]</a> + <a href="subject.html#2942">[ subject ]</a> + <a href="author.html#2942">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Olivier Thauvin a écrit : +><i> * andre999 (<A HREF="https://www.mageia.org/mailman/listinfo/mageia-discuss">andr55 at laposte.net</A>) wrote: +</I>><i> +</I>>><i> Luca Berra a écrit : +</I>>><i> +</I>>>><i> On Wed, Nov 03, 2010 at 08:16:22PM +0100, Olivier Thauvin wrote: +</I>>>><i> +</I>>>>><i> * andre999 (<A HREF="https://www.mageia.org/mailman/listinfo/mageia-discuss">andr55 at laposte.net</A>) wrote: +</I>>>>><i> +</I>>>>>><i> Donald Stewart a écrit : +</I>>>>>><i> +</I>>>>>>><i> On 1 November 2010 10:24, Marc Paré<<A HREF="https://www.mageia.org/mailman/listinfo/mageia-discuss">marc at marcpare.com</A>> wrote: +</I>>>>>>><i> +</I>>>>>>>><i> Le 2010-11-01 06:00, Philippe DIDIER a écrit : +</I>>>>>>>><i> +</I>>>>>>><i> Using delta rpms would reduce the size of the updates, or has my lack +</I>>>>>>><i> of understanding of delta roms got in the way? +</I>>>>>>><i> +</I>>>>>><i> Delta rpms, relative to the latest distro release, are long overdue. +</I>>>>>><i> (And not only in the Mandriva world. Also for Mozilla, OpenOffice, +</I>>>>>><i> etc.) +</I>>>>>><i> Note that for much commercial software, updates are normally delta. +</I>>>>>><i> Such updates are often erroneously called patches. +</I>>>>>><i> This may be partly a limitation of rpm packages, or more the +</I>>>>>><i> programs that install/update such packages. If so, it should be a +</I>>>>>><i> priority to correct this lack. +</I>>>>>><i> +</I>>>>><i> The problem of delta rpm is the work need to generated alls delta and +</I>>>>><i> the space need on mirrors to host everything. +</I>>>>><i> We must provide delta for each version to the next one: +</I>>>>><i> +</I>>>>><i> - main foo-1 +</I>>>>><i> - upd foo-2 D: 1->2 +</I>>>>><i> foo-3 D: 2->3 and 1->3 ? +</I>>>>><i> foo-4 D: 3->4 and 1->4, 2->4 ? +</I>>>>><i> +</I>>>>><i> etc... +</I>>>>><i> What if delta 1->4 is bigger than the package itself ? and for 2->4 ? +</I>>>>><i> +</I>>>><i> As nanar points out delta rpm is a bad design +</I>>>><i> +</I>>>><i> a working concept would have been basing all deltas on a specific rpm +</I>>>><i> (i.e. the one in */release) and bundling entire files. in this case a +</I>>>><i> patch will grow at most as the original rpm, and you don't care about +</I>>>><i> keeping incremental diffs. +</I>>>><i> +</I>>>><i> L. +</I>>>><i> +</I>>><i> Which is exactly what I was proposing. +</I>>><i> Delta by file relative to the official distro release. +</I>>><i> +</I>><i> So to update from -1 to -3 I'll download around 300KB but to upgrade +</I>><i> from -2 to -3 I'll download the full rpm so maybe around 20MB (in the +</I>><i> case the rpm is 20MB) ? +</I>><i> +</I>No no no no no ! +If from -1 to -3 is 300K, then upgrading from -2 to -3 would still be 300K. + +Of course, this raises the point that the names of the original files in +-1 will have to be retained after updates, as well as the names of files +replacing them, in order to make the additional updates. (And remove +any interim updates subsequently replaced.) +This could be facilitated by making the names of the replacement files +in delta updates the original file name + a suffix corresponding to the +delta update. + +Downloading the full rpm would only be need if one wanted to install a +package not yet installed. And of course the latest delta update, if any. +Of course, if full updates are retained, then one only downloads the +full update, as it will be a full rpm. + +><i> It's a proposal like others... +</I>><i> +</I>><i> I am not sure people having slow connections will enjoy this. +</I>><i> +</I>They will, as long as the proposal is well understood. +And adequately explained, of course :) + +- André +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="002941.html">[Mageia-discuss] Introducing mageia-app-db +</A></li> + <LI>Next message: <A HREF="002943.html">[Mageia-discuss] Suggestions for the ISO +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#2942">[ date ]</a> + <a href="thread.html#2942">[ thread ]</a> + <a href="subject.html#2942">[ subject ]</a> + <a href="author.html#2942">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-discuss">More information about the Mageia-discuss +mailing list</a><br> +</body></html> |