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Re: mod_authz_svn and caching

From: Daniel Shahaf <d.s_at_daniel.shahaf.name>
Date: Sat, 5 Nov 2016 20:24:43 +0000

Hans van Kranenburg wrote on Sat, Nov 05, 2016 at 17:51:13 +0100:
> On 11/05/2016 05:15 PM, Daniel Shahaf wrote:
> > Hans van Kranenburg wrote on Sat, Nov 05, 2016 at 16:39:44 +0100:
> >> On 11/05/2016 11:44 AM, Stefan Fuhrmann wrote:
> >> I also guess that ideally the tests need to be updated with cases which
> >> show that authz file changes while doing requests are not seen when
> >> caching is enabled and doing multiple requests uwing HTTP/1.1 keepalive
> >> on a single connection, while they *are* seen when AuthzSVNDisableCache
> >> is enabled. From what I see so far, this is not a trivial undertaking.
> >
> > The catch is, how to write code that commits twice to a single
> > repository over a single connection. I don't think the command-line
> > client lets you do that. Given that we want to test both svnserve and
> > mod_dav_svn, using httplib directly would be suboptimal. I think that
> > leaves (a) write a C test, (b) write a C helper tool for doing multiple
> > commits over a single connection and write a Python test using that.
> > (Example: atomic-ra-revprop-change.)
>
> Let httpd proxy to itself using keepalive on the backend and do multiple
> actions? Gheh, but, very tricky, since you don't control the behaviour.

It'd probably be easier to perform a commit 'by hand' using httplib from
the Python tests, but that would test just the mod_dav_svn caching, not
the svnserve caching.

I agree with the remainder (snipped).

Cheers,

Daniel
Received on 2016-11-05 21:24:58 CET

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