Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-17 Thread Francois Petillon
Jonathan Steffan wrote: So, you are against deltarpms also then? The problem is not being for / against anything. Deltarpms may be interesting for low-bandwidth client that would keep all downloaded rpms. But it would be a IO waste for servers if users have to download several files to rebui

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-14 Thread Jonathan Steffan
On Wed, 12 Dec 2007 12:18:31 +0100 Francois Petillon <[EMAIL PROTECTED]> wrote: > I will speak as a mirror admin (ftp.free.fr/ftp.proxad.net). As far > as I am concerned, bandwidth is not a real issue but disk IOs are. -SNIP- > As long as jigdo use is uncommon, I just don't mind but if it had t

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-12 Thread Francois Petillon
Jonathan Steffan wrote: * Any Spin: Not all mirrors chose to carry the ISO images. A next-hop or local mirror might not be available with the ISO images for direct download. This very close mirror will be able to be used to "put together" the ISO image and with our awesome new MirrorManager the a

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-11 Thread Imtiaz Rahi
On Dec 12, 2007 2:47 AM, Jonathan Steffan <[EMAIL PROTECTED]> wrote: > On Mon, 10 Dec 2007 17:55:47 -0500 > Michael DeHaan <[EMAIL PROTECTED]> wrote: > > > Jeroen van Meeuwen wrote: > > > Mike McGrath wrote: > > >>> and we were going to > > judge jigdo a success if a certain % (compared to b

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-11 Thread Jonathan Steffan
On Mon, 10 Dec 2007 17:55:47 -0500 Michael DeHaan <[EMAIL PROTECTED]> wrote: > Jeroen van Meeuwen wrote: > > Mike McGrath wrote: > >>> and we were going to > judge jigdo a success if a certain % (compared to bittorrent) > use jigdo. What % would that be? > >>> > >>> Jigdo would in this

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-11 Thread Jesse Keating
On Tue, 11 Dec 2007 14:02:48 +0100 Jeroen van Meeuwen <[EMAIL PROTECTED]> wrote: > I don't think I said anything about those users /choosing/ to use > Jigdo, but if I was likely to be misunderstood in that aspect I > apologize. Ok, Michael was talking about choosing, which is what led me to assum

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-11 Thread Jeroen van Meeuwen
Jesse Keating wrote: On Tue, 11 Dec 2007 00:41:24 +0100 Jeroen van Meeuwen <[EMAIL PROTECTED]> wrote: We on the other hand have hundreds -if not thousands- of users download the CD version of Fedora 7 and Fedora 8 while supposedly they are in possession of the DVD images already. What makes y

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-11 Thread Jesse Keating
On Tue, 11 Dec 2007 00:41:24 +0100 Jeroen van Meeuwen <[EMAIL PROTECTED]> wrote: > We on the other hand have hundreds -if not thousands- of users > download the CD version of Fedora 7 and Fedora 8 while supposedly > they are in possession of the DVD images already. What makes you say that? When

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-10 Thread Jeroen van Meeuwen
Michael DeHaan wrote: Jeroen van Meeuwen wrote: Mike McGrath wrote: and we were going to judge jigdo a success if a certain % (compared to bittorrent) use jigdo. What % would that be? Jigdo would in this case be particularly useful to those with a local mirror as they have 99% of the co

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-10 Thread Michael DeHaan
Jeroen van Meeuwen wrote: Mike McGrath wrote: and we were going to judge jigdo a success if a certain % (compared to bittorrent) use jigdo. What % would that be? Jigdo would in this case be particularly useful to those with a local mirror as they have 99% of the content already (90% if y

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Mike McGrath
Chuck Anderson wrote: On Fri, Dec 07, 2007 at 08:48:10AM -0600, Mike McGrath wrote: My concern with jigdo is with how many people use it? It seems silly to host both torrent and jigdo (as much of this letter points out the benefits of switching to jigdo, those benefits disappear if we simpl

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Chuck Anderson
On Fri, Dec 07, 2007 at 08:48:10AM -0600, Mike McGrath wrote: > My concern with jigdo is with how many people use it? It seems silly to > host both torrent and jigdo (as much of this letter points out the > benefits of switching to jigdo, those benefits disappear if we simply > add jigdo to the

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Jeroen van Meeuwen
Mike McGrath wrote: > This paragraph shows the savings we would make on the jigdo server. How much would our storage needs increase by needing to keep all RPM's around on the mirrors? For Fedora 8, per arch, at this moment that would be: $ du -sch fedora-unity/releases/8/Everything/x86_64

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Jeroen van Meeuwen
Mike McGrath wrote: and we were going to judge jigdo a success if a certain % (compared to bittorrent) use jigdo. What % would that be? Jigdo would in this case be particularly useful to those with a local mirror as they have 99% of the content already (90% if you have F9T3?). Because it

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Mike McGrath
Jonathan Steffan wrote: The amount of storage and bandwidth able to be saved can be illustrated by a simple comparison between the efficiency of chopping up a 3.4GB iso9660 file system arbitrarily (by a static chunk size) and the same file system based on contents (file by file.) For a BitTorrent

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Mike McGrath
Jeroen van Meeuwen wrote: Mike McGrath wrote: Jonathan Steffan wrote: The amount of storage and bandwidth able to be saved can be illustrated by a simple comparison between the efficiency of chopping up a 3.4GB iso9660 file system arbitrarily (by a static chunk size) and the same file system ba

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Jeroen van Meeuwen
Mike McGrath wrote: Jonathan Steffan wrote: The amount of storage and bandwidth able to be saved can be illustrated by a simple comparison between the efficiency of chopping up a 3.4GB iso9660 file system arbitrarily (by a static chunk size) and the same file system based on contents (file by fi

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-07 Thread Mike McGrath
Jonathan Steffan wrote: The amount of storage and bandwidth able to be saved can be illustrated by a simple comparison between the efficiency of chopping up a 3.4GB iso9660 file system arbitrarily (by a static chunk size) and the same file system based on contents (file by file.) For a BitTorrent

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jonathan Steffan
On Fri, 07 Dec 2007 02:10:26 +0100 Jeroen van Meeuwen <[EMAIL PROTECTED]> wrote: > Till Maas wrote: > > On Do Dezember 6 2007, Jonathan Steffan wrote: > > > >> The current updates system is getting better each release, but I > >> think we should adjust our policies to also have an > >> “updates

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jonathan Steffan
On Fri, 07 Dec 2007 02:05:15 +0100 Jeroen van Meeuwen <[EMAIL PROTECTED]> wrote: > Jesse Keating wrote: > > Question. Spins.fp.o is mostly about Live images no? Live images > > are essentially a big squasfs image wrapped up in an iso with some > > bootable stuff involved? How would jigdo possib

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jeroen van Meeuwen
John Poelstra wrote: Hasn't the door already been opened for this? http://fedoraproject.org/wiki/ReleaseEngineering/Meetings/2007-nov-19 http://fedoraproject.org/wiki/ReleaseEngineering/Meetings/2007-nov-19#t13:44 The Release Meeting addressed releasing spins via Jigdo, yes. What had been pr

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jeroen van Meeuwen
Till Maas wrote: On Do Dezember 6 2007, Jonathan Steffan wrote: The current updates system is getting better each release, but I think we should adjust our policies to also have an “updates-archive� repository. This repository will include all signed updates that had once lived in the updat

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jeroen van Meeuwen
Jesse Keating wrote: Question. Spins.fp.o is mostly about Live images no? Live images are essentially a big squasfs image wrapped up in an iso with some bootable stuff involved? How would jigdo possibly help here? As Jigdo needs an expanded tree somewhere (online) of the contents of an ISO

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jonathan Steffan
On Thu, 6 Dec 2007 16:42:57 -0500 Jesse Keating <[EMAIL PROTECTED]> wrote:. > > Question. Spins.fp.o is mostly about Live images no? Live images are > essentially a big squasfs image wrapped up in an iso with some > bootable stuff involved? How would jigdo possibly help here? This is correct.

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jonathan Steffan
On Thu, 06 Dec 2007 22:53:22 +0100 Till Maas <[EMAIL PROTECTED]> wrote: > On Do Dezember 6 2007, Jonathan Steffan wrote: > > > The current updates system is getting better each release, but I > > think we should adjust our policies to also have an > > “updates-archive” repository. This repository

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Till Maas
On Do Dezember 6 2007, Jonathan Steffan wrote: > The current updates system is getting better each release, but I think > we should adjust our policies to also have an “updates-archive” > repository. This repository will include all signed updates that had > once lived in the updates repo, for the

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jesse Keating
On Thu, 6 Dec 2007 14:28:13 -0700 Jonathan Steffan <[EMAIL PROTECTED]> wrote: > The amount of storage and bandwidth able to be saved can be > illustrated by a simple comparison between the efficiency of chopping > up a 3.4GB iso9660 file system arbitrarily (by a static chunk size) > and the same f

Re: Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread John Poelstra
Jonathan Steffan said the following on 12/06/2007 01:28 PM Pacific Time: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ah, what a wonderful scholastic assignment. It's also great that Mike is going to have to open the letter once it actually makes to him. Dear Mr. McGrath, As long time Fedora

Jigdo - A Professional Letter to Mike McGrath

2007-12-06 Thread Jonathan Steffan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ah, what a wonderful scholastic assignment. It's also great that Mike is going to have to open the letter once it actually makes to him. Dear Mr. McGrath, As long time Fedora developers, we both have watched and lived through the growing pains of Fed