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Re: set maximum file size for commits

From: <kmradke_at_rockwellcollins.com>
Date: Thu, 10 Apr 2008 10:02:17 -0500

"Andy Levy" <andy.levy_at_gmail.com> wrote on 04/10/2008 09:50:51 AM:
> On Thu, Apr 10, 2008 at 10:25 AM, <kmradke_at_rockwellcollins.com> wrote:
> > Blair Zajac <blair_at_orcaware.com> wrote on 04/09/2008 10:39:46 PM:
> >
> > > Rares Vernica wrote:
> > > > Hello,
> > > >
> > > > Is there a way to set the maximum file size for commits? That is,
if I
> >
> > > > set the maximum file size to 4Mb and a user tries to commit a
file
> > which
> > > > has 4.1Mb, the commit will fail.
> > > >
> > > > Thanks,
> > > > Ray
> > >
> > > You can check this in a pre-commit script. You'll need to get a
list of
> > all
> > > added or modified files using svnlook and then cat each one.
> >
> > Any other way? This seems a bit late in the game, and fairly
inefficient.
> > For
> > example, we have a number of groups who have committed multiple DVD
.iso
> > files
> > in one transaction.
> >
> > While I don't mind punishing them by making them wait to transfer 4G+
and
> > then
> > wait some more while the server cats the file to count the bytes,
both of
> > those actions are needlessly resource wasteful...
> >
> > I was hoping someone had experimented with some Apache options to
limit
> > transaction size. (Yet another thing on my todo list that I hope
someone
> > else has more experience with...) Possibly something like
> > LimitRequestBody 4194304 ????
>
> In that scenario, consider that Subversion only transfers differences
> across the wire. So how would you handle a situation where a user
> commits at 2MB file, then appends 3MB to it and commits that? Their
> individual commits were both under 4MB, but the resulting file is now
> 5MB.

Yes, that is a flaw in using something like LimitRequestBody.

For my needs (which are different than the OP), I'm not so interesting
in limiting actual total file sizes, just wanting to remind users
that they may not be using Subversion in the most optimum
way. I.E. DVDs are best archived in other ways...

Is there an easy way to use the python or perl api to see a file sizes
in a transaction? That would at least remove the
"svnlook cat | wc -c" overhead...

Maybe transaction/file size could be added to svnlook info?

I'm just rambling thoughts...

Kevin R.

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Received on 2008-04-10 17:02:49 CEST

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