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Re: Subversion 1.8 freezes during long updates

From: Ivan Zhakov <ivan_at_visualsvn.com>
Date: Wed, 2 Jul 2014 16:30:37 +0400

On 1 July 2014 21:45, Butler, Stephen <Stephen.Butler_at_hamburgsud.com> wrote:
> Hi folks,
>
> I'm trying to help users in our corporate network. They currently use Subversion 1.7 + neon (via TortoiseSVN) because of errors in checkout/update using Subversion 1.8. During a long checkout or update, TortoiseSVN 1.8 freezes after downloading a few hundred MBs of data. The svn command-line client does the same.
>
> To get more information, I compiled Subversion (within the TortoiseSVN branches/1.8.x tree) with serf tracing turned up to eleven (SSL_MSG_VERBOSE, etc). Then the errors no longer occur! Apparently the extra output changes the timing somehow. But performance is of course very bad. Less tracing recreates the errors, but without revealing a smoking gun.
>
> I attached the Visual Studio debugger to a frozen cmdline client. It seemed to be looping through impl_pollset_poll (in apr/poll/unix/select.c) without receiving anything.
>
> On the Subversion server, the last message in the Apache access log is a successful file download (matching the last line of client output). The Apache error log had nothing new. The network has lots of firewalls and transparent proxies, as was the case in a problem that Branko recently solved:
>
> http://mail-archives.apache.org/mod_mbox/subversion-users/201401.mbox/%3C52D6D944.8060308%40wandisco.com%3E
>
> Should I try to corner the network admins, or is there a client/server troubleshooting step I've overlooked?
>
> Thanks for any insights,
>
Hi Steve,

1. Does the issue reproduce if you force bulk updates using
'--config-option=servers:global:http-bulk-updates=yes' command line
option or 'SVNAllowBulkUpdates prefer' on the server side?

2. Do you have antivirus installed on client computers?

-- 
Ivan Zhakov
Received on 2014-07-02 14:31:31 CEST

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