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Re: dav memory scalability

From: Justin Erenkrantz <justin_at_erenkrantz.com>
Date: 2003-05-29 23:53:00 CEST

--On Thursday, May 29, 2003 2:52 PM -0500 Ben Collins-Sussman
<sussman@collab.net> wrote:

> So I'm bit skeptical at the moment. It doesn't seem that mod_dav's
> memory usage is a 3-alarm fire anymore. In retrospect, almost every
> complaint I've heard over the last few months is that "neon times out"
> when waiting for a large directory to arrive.

I believe the problem was that SVN clients weren't doing depth:1 PROPFINDs -
that is a new change. Instead we were doing a PROPFIND for every file in a
directory - I think that exacerbated the leak in httpd as there is a
per-request leakage. And, I believe that some patches have gone in recently
to try to change how mod_dav_svn used pools to help solve *some* of the

Getting mod_dav to be streamy may be just as hard as getting the pool usage
right. =) But, perhaps not. Let me know if you need any help. -- justin

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Received on Thu May 29 23:53:54 2003

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