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Re: Why such performance gap between checkout and export?

From: Rainer Sokoll <R.Sokoll_at_intershop.de>
Date: 2007-08-10 18:04:56 CEST

On Fri, Aug 10, 2007 at 05:59:43PM +0200, Carsten Koch wrote:
> Les Mikesell wrote:
> ...
> >>> svn checkout svn://localhost/... -> 91s
> >>> svn export svn://localhost/... -> 28s
> ...
> > Considering that the meta data includes a complete extra copy of the
> > files as checked out, that shouldn't be surprising.
>
> On checkout, every file has to be read once and written twice.
> On export, every file has to be read once and written once.
> So in the above example, I'd expect the checkout time to be
> about 40s, not 90s.
>
> Is there really anything that would justify a factor of 3?

An on-access virus scanner, for example.

Rainer

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Received on Fri Aug 10 18:03:14 2007

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