[svn.haxx.se] · SVN Dev · SVN Users · SVN Org · TSVN Dev · TSVN Users · Subclipse Dev · Subclipse Users · this month's index

Re: Faster SVN Status

From: Steven Bakke <steven.bakke_at_amd.com>
Date: Fri, 4 Jan 2008 11:02:15 -0500

On Jan 4, 2008, at 10:42 AM, Les Mikesell wrote:

> Steven Bakke wrote:
>> However through profiling we found a performance bottleneck in that
>> it starts a new repository session (network connection) once for
>> each target of the command. In our case the problem was with 'svn
>> update', but I think it applies to almost anything. The
>> performance became dominated by ~2-3 seconds per target overhead
>> each time it made a new svn+ssh connection to the server.
> What can possibly cause a several-second delay? Does your reverse
> DNS lookup resolve quickly? Are IDENT queries dropped and timing out?

I don't know for sure. First, there is the initiation of an SSH
connection. That is followed by creation of an ra_session. I'm
wondering if we could do a comparision by using the file:// access
method. I'm not the person who did the code profiling.


To unsubscribe, e-mail: users-unsubscribe_at_subversion.tigris.org
For additional commands, e-mail: users-help_at_subversion.tigris.org
Received on 2008-01-04 17:06:07 CET

This is an archived mail posted to the Subversion Users mailing list.

This site is subject to the Apache Privacy Policy and the Apache Public Forum Archive Policy.