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svn very slow (was Re: svn log -v very slow)

From: Esben Nielsen <esn_at_terma.com>
Date: Thu, 04 Sep 2008 14:01:30 +0200

On Mon, 2008-09-01 at 16:04 +0200, Esben Nielsen wrote:
> We have set up subversion and CruiseControl. Whenever CruiseControl
> checks for changes on the subversion with "svn log -v -r{timestamps}"
> the operation itself takes a very long time AND every other concurrent
> operation, like browsing the reporsitory from Eclipse, takes a very long
> time.
> When CruiseControl is not doing "svn log" everything is fairly
> responsive.
> But top shows no CPU nor much IO usage. What makes subversion so slow?
> CruiseControl is running on the same host as subversion but using svn://
> Subversion version is 1.5.1 and OS is Fedora 8 x86_64.
> Esben
I have tried to kill off CruiseControl and there are therefore rarely
any access to the repository; but when I run

while true; do time svn update <somefile (not dir)>; done

I get outputs in the order of 30-40 seconds!!

So I started to use strace to figure out what was happening. It turned
out it is blocking on

So because we don't have enough entropy on our server Subversion is

What should I change in my config solve this?


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Received on 2008-09-05 19:31:30 CEST

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