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diff --git a/zarb-ml/mageia-dev/20110112/002083.html b/zarb-ml/mageia-dev/20110112/002083.html new file mode 100644 index 000000000..9c4e60114 --- /dev/null +++ b/zarb-ml/mageia-dev/20110112/002083.html @@ -0,0 +1,125 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-dev] Proposal for Mageia: implement bitorrent protocol to allow updates download + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Proposal%20for%20Mageia%3A%20implement%20bitorrent%0A%09protocol%09to%20allow%20updates%20download&In-Reply-To=%3C20110112115232.GZ10402%40virgo.home.nanardon.zarb.org%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="002080.html"> + <LINK REL="Next" HREF="002077.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] Proposal for Mageia: implement bitorrent protocol to allow updates download</H1> + <B>Olivier Thauvin</B> + <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Proposal%20for%20Mageia%3A%20implement%20bitorrent%0A%09protocol%09to%20allow%20updates%20download&In-Reply-To=%3C20110112115232.GZ10402%40virgo.home.nanardon.zarb.org%3E" + TITLE="[Mageia-dev] Proposal for Mageia: implement bitorrent protocol to allow updates download">nanardon at nanardon.zarb.org + </A><BR> + <I>Wed Jan 12 12:52:32 CET 2011</I> + <P><UL> + <LI>Previous message: <A HREF="002080.html">[Mageia-dev] Proposal for Mageia: implement bitorrent protocol to allow updates download +</A></li> + <LI>Next message: <A HREF="002077.html">[Mageia-dev] Proposal for Mageia: implement bitorrent protocol to allow updates download +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#2083">[ date ]</a> + <a href="thread.html#2083">[ thread ]</a> + <a href="subject.html#2083">[ subject ]</a> + <a href="author.html#2083">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>* andre999 (<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">andr55 at laposte.net</A>) wrote: +><i> Romain d'Alverny a écrit : +</I>>><i> +</I>>><i> On Wed, Jan 12, 2011 at 04:29, Michael Scherer<<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">misc at zarb.org</A>> wrote: +</I>>><i> +</I>>><i> However, if 1) was to open 5 connections on 5 distinct servers, that +</I>>><i> would make more sense, no? +</I>><i> +</I>><i> Right. +</I>><i> Another way to look at the question : +</I>><i> If 1000 people are downloading from mirrors allowing a total of 2000 +</I>><i> connexions, if no-one uses multiple connexions, then 1000 connexions are +</I>><i> wasted. These unused connexions would likely be from faster mirrors. +</I> +The upload given by a serveur is split in term of: +- connection available +- bandwidth available. + +If the mirrors is connected to Gb (which is more likelly the size of +bandwidth for the whole university...), and you split this Gb/s onto +2000 connection you obtain 500kb/s. + +However, I know only few server in the world really able to read Gb/s +from their disk. The top rate I obtain on dc is 400mbis/s (the memory +cache help a lot to obtain more). + +The number of connection is set high because some people download at +only 50kb/s and other 2Mbit/s, so the spare bandwidth from the 50kb/s +can be given to others. Nothing more. + +According the graph on distrib-coffee: +<A HREF="http://distrib-coffee.ipsl.jussieu.fr/munin/distrib-coffee/distrib-coffee/index.html">http://distrib-coffee.ipsl.jussieu.fr/munin/distrib-coffee/distrib-coffee/index.html</A> +there is an average of 100 http download at a time, if each connection +become 5 (500), you'll reach the limit (200 on this server). +What will be the gain on your side ? + +I talked here only about http, but apply the same to ftp in the same +internet connection, so it mean I have 100mbits/s to share between 400 +connections. + +As Mickael explain, I voluntary limit the count of connection per IP, +before I did this, the server was overload 12 hour a day, which mean +stop serving ! + +><i> With aria2c, 3 mirrors which support a total of 5 connexions gives me +</I>><i> optimal speed. (The limit being the speed of my computer.) +</I> +Can we know the speed of your connection ? + +Maybe your connection is good enough to provide a mirror for Mageia ? +And then you'll be able to test what you're suggesting. + +What is the result with 5 mirrors and 1 connection per mirror ? + +Obviously, any mirror in France (I am in France) is able to fulfill +my personnal connection... (10mbits/s). + +-- + +Olivier Thauvin +CNRS - LATMOS +♖ ♘ ♗ ♕ ♔ ♗ ♘ ♖ +-------------- next part -------------- +A non-text attachment was scrubbed... +Name: not available +Type: application/pgp-signature +Size: 197 bytes +Desc: not available +URL: </pipermail/mageia-dev/attachments/20110112/69c6e254/attachment.asc> +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="002080.html">[Mageia-dev] Proposal for Mageia: implement bitorrent protocol to allow updates download +</A></li> + <LI>Next message: <A HREF="002077.html">[Mageia-dev] Proposal for Mageia: implement bitorrent protocol to allow updates download +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#2083">[ date ]</a> + <a href="thread.html#2083">[ thread ]</a> + <a href="subject.html#2083">[ subject ]</a> + <a href="author.html#2083">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-dev">More information about the Mageia-dev +mailing list</a><br> +</body></html> |