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RE: SVN Property Value Size Limit

From: Matthias Legeler <M.Legeler_at_intershop.de>
Date: Mon, 1 Jul 2013 12:04:12 +0000

Checkout with neon: property value truncated

Checkout with serf (svn co --config-option servers:global:http-library=serf URL): property value complete


-----Original Message-----
From: 'Daniel Shahaf' [mailto:danielsh_at_elego.de]
Sent: Freitag, 28. Juni 2013 02:35
To: Matthias Legeler
Cc: users_at_subversion.apache.org
Subject: Re: SVN Property Value Size Limit

Matthias Legeler wrote on Thu, Jun 27, 2013 at 10:30:32 +0000:
> 'svn propget --strict svn:mergeinfo ./ ' gets the first 7895
> characters 'svn propget --strict svn:mergeinfo URL' gets all 7959
> characters
> yes, 64 characters difference

Interesting, thanks.

I guess the next step is to look at the response headers. (You can use neon-debug-mask if you use neon, or wireshark/tcpdump if you don't use
SSL.) In particular, whether the response includes the whole property, and whether metadata (eg: Content-Length response header) matches the response.

BTW: does it happen under both serf and neon? (check 'svn --version' to see which you have; use --config-option to switch the active library)


> Matthias
> -----Original Message-----
> From: Daniel Shahaf [mailto:danielsh_at_elego.de]
> Sent: Donnerstag, 27. Juni 2013 12:18
> To: Matthias Legeler
> Cc: 'users_at_subversion.apache.org'
> Subject: Re: SVN Property Value Size Limit
> Matthias Legeler wrote on Thu, Jun 27, 2013 at 07:02:50 +0000:
> > In our subversion repositories we have merged many many times.
> > Now we have very large svn:mergeinfo property values (>8k).
> > The problem is now, that if we make a svn checkout, the property values will be truncated in the working copy by approximately 8k.
> > The svn propget command at the working copy folder returns a truncated value.
> Where does the truncation happen? Do you get only the first 8KB of
> the property? Do you get everything except the last 8KB? What is the
> offset from the point of truncation to the start and to the (true) end
> of the property? (Is that offset a power of 2?)
> You can determine all that with 'svn propget --strict svn:mergeinfo ./'
> and 'svn propget --strict svn:mergeinfo URL'.
> Daniel
> > This occurs only for working copies there are created with the http protocol over the svn apache.
> > With the file protocol the property values are complete.
> >
> > My question:
> > Is this a known behavior?
> > Is this limited by a setting in the Apache/WebDAV/SVN configuration?
> >
> > regards,
> > Matthias
> >
Received on 2013-07-01 14:05:57 CEST

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