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Hi Robin, |
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|
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I'm happy to serve up the content via whatever protocols Gentoo needs. |
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However, I haven't set up bittorrent before so maybe a short howto on |
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settting up bittorrent (and even checking for the range support in apache) |
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would be helpful. |
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|
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Greg |
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|
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> -----Original Message----- |
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> From: Robin H. Johnson [mailto:robbat2@g.o] |
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> Sent: Thursday, May 03, 2007 6:44 PM |
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> To: gentoo-mirrors@l.g.o |
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> Cc: wolf31o2@g.o |
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> Subject: [gentoo-mirrors] Gentoo Linux 2007.0 and BitTorrent |
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> |
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> On Thu, May 03, 2007 at 04:34:19PM -0700, Robin H. Johnson wrote: |
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> > Would all mirrors that carry the experimental tree please see my |
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> > follow-up email about BitTorrent HTTP-seeding? |
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> |
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> Hi folks, |
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> |
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> So now stuff on BitTorrent for the 2007.0 release. |
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> |
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> There's two portions to this email, firstly stuff distributed by |
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> BitTorrent only, and then everything else. |
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> |
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> We have 94 torrents in total, 2 of which are only media that is only |
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> being distributed by BitTorrent. |
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> |
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> We needs seeds for all of it, but the bittorrent-only stuff more than |
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> the rest. I have one sponsor offering 50Mbit * 2 weeks for seeding |
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> everything so far. |
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> |
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> In terms of basic structure, there is a .torrent for every .tar.bz2 or |
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> .iso in releases or experimental, containing the core file, plus it's |
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> DIGESTS, signature, and CONTENTS files. |
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> |
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> BitTorrent-only: |
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> 3.7G livedvd-amd64-installer-2007.0/ |
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> 3.8G livedvd-i686-installer-2007.0/ |
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> |
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> If you're interested in direct BitTorrent seeding (esp. for the above |
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> two, even if you aren't seeding anything else), please give me a shout |
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> so that I can arrange to get them to you. |
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> |
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> Now for the experimental part... |
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> |
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> To help out long-term seeding of the majority of torrents (those that |
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> aren't bittorrent-only), I'd like to take advantage of the newish HTTP- |
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> seeding support of BitTorrent [1]. |
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> |
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> HTTP-seeding kicks in at a MUCH lower priority than regular BitTorrent |
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> peering, basically helping clients that cannot contact any other source |
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> for missing pieces. It effectively converts the BitTorrent client to a |
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> slightly-smart HTTP fetcher that then shares the blocks back over |
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> BitTorrent to other clients. |
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> |
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> For all experimental/ mirrors, that means we're adding a directory tree |
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> under experimental/ that has directories containing only symlinks. Your |
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> rsync options will need to have the various symlink-transfer options, |
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> which I think should be in place already. |
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> |
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> |
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> Here's an example of one. |
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> experimental/torrent-symlinks/stage3-x86-2007.0: |
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> lrwxrwxrwx stage3-x86-2007.0.tar.bz2 -> |
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> ../../releases/x86/2007.0/stages/stage3-x86-2007.0.tar.bz2 |
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> lrwxrwxrwx stage3-x86-2007.0.tar.bz2.CONTENTS -> |
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> ../../releases/x86/2007.0/stages/stage3-x86-2007.0.tar.bz2.CONTENTS |
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> lrwxrwxrwx stage3-x86-2007.0.tar.bz2.DIGESTS -> |
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> ../../releases/x86/2007.0/stages/stage3-x86-2007.0.tar.bz2.DIGESTS |
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> lrwxrwxrwx stage3-x86-2007.0.tar.bz2.asc -> |
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> ../../releases/x86/2007.0/stages/stage3-x86-2007.0.tar.bz2.asc |
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> |
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> This in itself doesn't make the BitTorrent clients contact you, so even |
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> if you aren't participating, it doesn't cause harm to have it. |
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> |
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> For part two of the HTTP-seeding (eg making the BT clients actually use |
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> the mirrors), I'd like to know which of the experimental mirrors are |
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> interested in being used for HTTP seeding. |
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> |
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> Your webservers will need to support HTTP Range requests for this to |
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> work. The BitTorrent clients will send range requests for 32K..256K |
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> blocks (powers of two only). |
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> |
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> I'll be placing the base potion of your URLs into the .torrent files, |
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> as "$BASEURL/experimental/torrent-symlinks/" |
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> |
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> [1] The actual specification for the HTTP-seeding is here: |
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> http://www.getright.com/seedtorrent.html |
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> |
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> -- |
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> Robin Hugh Johnson |
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> Gentoo Linux Developer & Council Member |
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> E-Mail : robbat2@g.o |
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> GnuPG FP : 11AC BA4F 4778 E3F6 E4ED F38E B27B 944E 3488 4E85 |
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|
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-- |
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