Re: [ANNOUNCE] Cogito-0.12

[Petr Baudis <pasky@suse.cz>]

Dear diary, on Wed, Jul 06, 2005 at 02:01:38PM CEST, I got a letter
where Brian Gerst <bgerst@didntduck.org> told me that...
> Petr Baudis wrote:
> >  Also, I've deprecated rsync, as I explained in another mail. Use
> >cg-branch-chg to change the branch URLs to some more sensible scheme -
> >most likely HTTP, or SSH if you want to push as well.
> 
> I really question removing rsync before HTTP pulls become more 
> effecient.

It won't happen. Or rather, I hope the HTTP pulls become more efficient
soon. Actually, perhaps Linus has something done already, my workstation
is a bit derailed now so I couldn't pull from him in the last few days
(hopefully will sort that out today).

> I did a complete pull of cogito from kernel.org, and http 
> took over 50 minutes to pull everything, while rsync was done in just 
> over 1 minute.  I dared not even try to pull the full kernel at that speed.
> 
> I suspect that part of the problem is that the pull methods are doing a 
> depth first search, so we can't request the next object until the 
> current object is fully received and parsed.  Changing to a breadth 
> first search would allow multiple requests in flight and asynchronous 
> processing which should speed things up.  I am exploring using the 
> curl_multi_* functions to do this, but this will require changes to 
> common code in pull.c.

Hmm, yes, I guess Linus won't be touching the HTTP backend at all. ;-) I
suggest you to check the last development in Linus' branch and sync with
Daniel Barkalow, who promised improving the pull tools as well.

-- 
				Petr "Pasky" Baudis
Stuff: http://pasky.or.cz/
<Espy> be careful, some twit might quote you out of context..