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serf and sourceforge.net don't get along (was on users@: Re: 1.7.0-alpha1 feedback)

From: Stefan Sperling <stsp_at_elego.de>
Date: Tue, 21 Jun 2011 14:36:11 +0200

[ Moving to dev@ ]

On Tue, Jun 21, 2011 at 02:27:55PM +0200, OBones wrote:
> Uwe Schuster wrote:
> >Stefan Sperling wrote:
> >>On Tue, Jun 21, 2011 at 02:02:08AM +0200, Uwe Schuster wrote:
> >>>Stefan Sperling wrote:
> >>>
> >>>>>1. Performance
> >>>>
> >>>>Can you set
> >>>> http-library=neon
> >>>>in the '[global]' section of your 'servers' configuration file
> >>>>and see if that helps?
> >>>>
> >>>>The checkout finishes within 2minutes for me (with neon, on OpenBSD,
> >>>>16mbit/s downstream).
> >>>
> >>>Yes this helps very much!
> >>>
> >>>39 seconds and 6,82 MB instead of 30 min 27 s and 55,70 MB
> >>
> >>Right. So this is an issue with serf.
> >>None of the existing serf issues seem to match, though.
> >>
> >>Is there anything special about your setup, such as connecting through a
> >>proxy?
> >
> >No, there is no proxy involved and there shouldn't be anything
> >special with my setup. On the PC a personal firewall (Comodo) is
> >running and the PC is connected over a Gigabit switch to a T-Com
> >router with DSL modem (SP 700). I did run the tests with TSVN 1.6
> >an 1.7 on the same machine (they are installed in parallel).
> >
> Well, you don't have a proxy installed, but connecting to a
> SourceForge hosted server is guaranteed to go through a proxy
> because they use it as a means of load balancing. It's transparent
> to the end user, but maybe not to the libraries

It would be nice to get an official confirmation about this from SF.net.

Because if this is the case, I think we should seriously reconsider the
decision of making serf the default for 1.7. We definitely cannot afford
to break Subversion for all sourceforge users in such a fundamental way.
People who can benefit from serf's performance characteristics without
facing such problems can still enable it.
Received on 2011-06-21 14:36:50 CEST

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