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RE: Slow initial repo access (https method)

From: Matthew Fletcher <MFletcher_at_serck-controls.co.uk>
Date: Thu, 21 Apr 2011 09:44:03 +0100

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:, Protocol: TLSv1, Cipher: DHE-RSA-AES256-SHA (256/256 bits)
[Thu Apr 21 09:32:45 2011] [info] [client] 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.



> -----Original Message-----
> From: Daniel Shahaf [mailto:d.s_at_daniel.shahaf.name]
> Sent: 20 April 2011 18:21
> To: Matthew Fletcher; users_at_subversion.apache.org
> Subject: Re: Slow initial repo access (https method)
> On Wed, 20 Apr 2011 14:06 +0100, "Matthew Fletcher"
> <MFletcher_at_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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