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RE: Transferred quantity is smaller than actual quantity ==> compressed?

From: Bob Archer <Bob.Archer_at_amsi.com>
Date: Mon, 15 Nov 2010 15:49:44 -0500

> On Mon, Nov 15, 2010 at 13:12, Seak, T. F. <lapsap7+svn_at_gmail.com>
> wrote:
> > (A similar topic has been discussed recently.)
> >
> >     I did an EXPORT of several repositories to see make I'm not
> > counting .svn directories as well, and I'm very sure transferred
> > quantity is smaller than actual quantity.  One repository is 183
> > MBytes but transferred is only 111.89 MBytes.  Another one is 50
> > MBytes but transferred is 21.81 MBytes.
> >
> >     That means compression is enabled on the server?  I'm using:
> > * VisualSVN server version 2.1.2 and 2.1.4
> > * TSVN version 1.6.11.20210
> >
> >     Curious question: possible to disable compression?
>
> You cannot draw any conclusions about the size of an export or
> checkout from the size of the repository database itself.
>
> I'm fairly sure that the HTTP layer uses compression. What will
> disabling it gain you?
>

Are you taking block sizing into your calculation here? If you have a large block size on your hard drive and you have many small files... the space taken on the hard drive might be more than the total size of all the files.

BOb

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Received on 2010-11-15 21:49:54 CET

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