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extreme svn slowdown due to X-forwarding timeouts

From: pjaytycy <pieterjan.busschaert_at_gmail.com>
Date: Mon, 6 Dec 2010 01:27:29 -0800 (PST)

Hello,

we recently upgraded svn on our remote build server from 1.5 to 1.6.
This caused a drastic reduction in speed:

user_at_server:~$ time svn log -l 25 -q https://<repo>
[ snip ]

real 0m22.745s
user 0m0.192s
sys 0m0.048s

After some debugging, we found the cause to be entirely on my windows
pc, not related to the linux server:

=> I log in with putty over SSH and had X-forwarding turned on
=> I did not have an X-server running on my windows pc

The combination of these 2 made command-line svn on the linux server
extremely slow. I think this is due to the gnome/kde keyring
integration which is new in 1.6

So, to solve this: either run xming before starting putty, or turn off
X-forwarding in putty.

Maybe command line client svn could give a warning that it tried to
communicate with an X-server but got no response? That would have
helped us in discovering what caused the performance issue. However,
even when I actually run an X-server, I got no GUI popup, but atleast
SVN was not slow anymore.

Kind regards,

Pieter-Jan
Received on 2010-12-06 10:28:07 CET

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