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Re: Subversion Performance Benchmark

From: Greg Hudson <ghudson_at_MIT.EDU>
Date: 2002-09-24 19:25:35 CEST

On Tue, 2002-09-24 at 13:17, cmpilato@collab.net wrote:
> > 3. Subversion is buggy, and it is doing deltas and throwing them away.
>
> *Ding!* Subversion is using svndiff to *transmit* the text. Those diff
> packages usually break down to:
>
> 'S'
> 'V'
> 'N'
> \0
> <flag that means 'here comes some new data'>
> <here's the whole file as fulltext>

Well, it's not that bad. An svndiff against /dev/null is still a
self-compression, and should trim a good amount off the size of a text
file. (It may look like the whole file is there as fulltext, but if you
page down a bit, you'll most likely start seeing some gaps.)

Still, this is pretty dumb when we're using ra_local. Not sure what the
best fix is.

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Received on Tue Sep 24 19:36:26 2002

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