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Date: Thu, 8 Aug 2013 10:36:18 +0200
From: Stefan Sperling <stsp@elego.de>
To: Elias Gerber <eg@viscomvisual.com>
Cc: users@subversion.apache.org
Subject: Re: svn client 1.8.1: Tries to log-in forever, hammering the server,
 eating memory and cpu
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On Thu, Aug 08, 2013 at 10:18:42AM +0200, Elias Gerber wrote:
> Since svn 1.8.x we experience the following:
> Clients that are part of the domain can log in without any problems.
> Clients that are not part of the domain try to log-in forever using
> the local account. The server rejects those credentials - it only
> knows about domain-users, not about local users. The client does not
> stop to log in then, but tries forever: At the server we see
> thousands of rejected log-in requests, at the client we see that it
> uses one core of the cpu 100% and eats more and more memory and
> never (? - I killed it when it reached more than one Gigabyte of
> memory) stops.

My guess would be this issue in serf:
http://code.google.com/p/serf/issues/detail?id=77

The 1.7 client uses neon instead of serf and optionally supports serf,
but not many people used serf with 1.7 clients.
Support for neon has been removed as of 1.8. The serf developers are
working hard on issues that pop up now that people are actually using it.

Please use 1.7 clients for now if this is a show stopper for you,
and upgrade to a fixed version of serf once it is released.
You don't need to upgrade Subversion itself for this fix.