What do you mean by "accessing the repo via IP address"?  Without having
read your link, I expect it does a reverse DNS lookup on the client's
address (i.e., the IP address of the box where the working copy
resides), and just accessing the repository as http://192.87.106.227
instead of http://svn.apache.org won't affect that.

The test would be
% ssh svn.apache.org time dig -x '$(echo $SSH_CONNECTION | cut -d " " -f 1)'

(this assumes you have a sh-like, not csh-like, login shell)

Matthew Fletcher wrote on Thu, Apr 21, 2011 at 10:16:29 +0100:
> Hi,
> 
> Our IT guys have been quite helpful and checked the DNS setup (and showed it 
> to me), looks fine. A test accessing the repo via IP address gives the same 
> delay.
> 
> 
> regards
>  
> Matthew J Fletcher  |   Serck Controls  |   United Kingdom  |   Lead Software 
> Engineer
> Phone: +44 2476 305050  |  Direct Dial: +44 2476 515089
> Email: mfletc...@serck-controls.co.uk  |   Site: www.serck-controls.co.uk   | 
>   Address: Rowley Drive, Coventry, CV3 4FH, United Kingdom 
> 
> 
>  
>  
> 
> > -----Original Message-----
> > From: Matthew Fletcher 
> > Sent: 21 April 2011 09:55
> > To: 'Daniel Shahaf'; users@subversion.apache.org
> > Subject: RE: Slow initial repo access (https method)
> > 
> > 
> > Hi,
> > 
> > Nothing as fancy as LDAP, just a basic file.
> > 
> >   AuthType Basic
> >   AuthBasicProvider file
> > 
> > 
> > I wonder if it could be due to DNS name lookup issues,
> > 
> > http://old.nabble.com/Using-SSL-between-Apache-proxy-and-Synap
> > se-causes-consistent-10-second-delay-in-SSL-handshake-td16014406.html
> > 
> > "Check if reverse DNS lookups are the same for both 
> > production and stating/integration. The 10 second delays are 
> > usually caused by reverse lookups when accepting connections, 
> > since we try to get the hostname for logging."
> > 
> > I will look into that.
> > 
> > 
> > regards
> > 
> > Matthew
> >  
> >  
> > 
> > > -----Original Message-----
> > > From: Daniel Shahaf [mailto:d...@daniel.shahaf.name]
> > > Sent: 21 April 2011 09:49
> > > To: Matthew Fletcher; users@subversion.apache.org
> > > Subject: RE: Slow initial repo access (https method)
> > > 
> > > The problem may be not openssl but rather your 
> > authentication backend 
> > > (as configured in httpd.conf).  For example, if you use LDAP 
> > > authentication and your LDAP server is slow to respond, that could 
> > > account for some seconds' difference.
> > > 
> > > On Thu, 21 Apr 2011 09:44 +0100, "Matthew Fletcher" 
> > > <mfletc...@serck-controls.co.uk> wrote:
> > > > 
> > > > Thanks for the info, enabling apache logging i can see
> > > where the pause is comming from,. its between the inital client 
> > > connection and granting the access rights to my user.
> > > A full 15 seconds ! This is a fast quad core xeon server as well.
> > > > 
> > > > [Thu Apr 21 09:32:30 2011] [info] Connection: Client IP: 
> > > > 10.141.81.134, Protocol: TLSv1, Cipher: 
> > DHE-RSA-AES256-SHA (256/256
> > > > bits) [Thu Apr 21 09:32:45 2011] [info] [client
> > > 10.141.81.134] Access
> > > > granted: 'MFletcher' OPTIONS Play:/
> > > > 
> > > > How do i go about finding out why its taking so long to do
> > > the inital https / SSL stuff before granting access ? I 
> > realise this 
> > > crosses the boundary between SVN/apache/OpenSSL so it might 
> > be tricky.
> > > > 
> > > > 
> > > > regards,
> > > > 
> > > > Matthew
> > > >  
> > > >  
> > > > 
> > > > > -----Original Message-----
> > > > > From: Daniel Shahaf [mailto:d...@daniel.shahaf.name]
> > > > > Sent: 20 April 2011 18:21
> > > > > To: Matthew Fletcher; users@subversion.apache.org
> > > > > Subject: Re: Slow initial repo access (https method)
> > > > > 
> > > > > 
> > > > > 
> > > > > On Wed, 20 Apr 2011 14:06 +0100, "Matthew Fletcher" 
> > > > > <mfletc...@serck-controls.co.uk> wrote:
> > > > > > Hi,
> > > > > > 
> > > > > > We are using svn 1.6.16 on the server and have noticed that
> > > > > there is a large pause in the inital https requests, (snip of 
> > > > > wireshark shown bellow). Basically it looks like this 
> > is a server 
> > > > > side issue but i am not sure where to look for logs (apache ?).
> > > > > 
> > > > > I'd firstly try to understand what the two packets are 
> > on either 
> > > > > side of the large pause.  So...
> > > > > 
> > > > > * A dev who knows the protocol might be able to tell what those 
> > > > > packets are without even looking at your data;
> > > > > * You might be able to decrypt the packets you posted;
> > > > > * You might be able to reproduce the problem with non-ssl 
> > > > > connections;
> > > > > * You might be able to log the packets before they get
> > > encrypted (or
> > > > > after decrypted).
> > > > > 
> > > > 
> > > > 
> > > 
> > **********************************************************************
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> > > > Tel: +44 (0) 24 7630 5050   Fax: +44 (0) 24 7630 2437
> > > > Web: www.serck-controls.com  Admin: p...@serck-controls.co.uk A 
> > > > subsidiary of Schneider Electric.
> > > > 
> > > 
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