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From Brian Pane <bp...@pacbell.net>
Subject Re: [PATCH] Pools space-time tradeoff
Date Sat, 25 May 2002 20:08:11 GMT
On Wed, 2002-05-22 at 10:15, Ben Collins-Sussman wrote:
> [crossposted to APR and SVN dev lists.]
> Hi, all.  I've been working with Sander to resolve some pool problems.
> Anyway, I've included the patches below for people to look at.
> Apparently Sander posted these before, but nobody had a reason to
> care.  Well, now Subversion *really* needs these features.
> I've tested this patch on our two use cases: the memory footprint for
> 'svn checkout' bounces up and down, but eventually plateaus around
> 25M.  The footprint for 'svnadmin dump' also bounces around, but
> plateaus around 17M.  A huge difference! 
> Sander is worried about possible pool-performance hits from these
> changes, so he's hoping folks might be able to do some timing stats.
> (Personally, via my sophisticated use of the unix 'time' command, I
> find no noticeable difference.)

I'll run httpd benchmarks using this patch and the current pool code.
If all goes well, I'll post results later today.


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