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Re: Fresh checkout vs 'svn upgrade': How good is good enough?

From: Julian Foad <julian.foad_at_wandisco.com>
Date: Mon, 13 Jun 2011 20:36:42 +0100

On Mon, 2011-06-13 at 15:30 -0400, Paul Burba wrote:
> On Tue, Jun 7, 2011 at 3:41 PM, Julian Foad <julian.foad_at_wandisco.com> wrote:
> > Just a thought: is the upgrade time linear with WC size? If so, I say
> > "good enough", if much worse than linear, probably not good enough.
> >
> > - Julian
>
> Hi Julian,
>
> To get a rough idea I ran upgrade on some bigger WCs this weekend:
>
> WC for | Files | Dirs | Size on Disk | Elapsed
> Upgrade Time
> ----------------------------------------------------------------------
> ^/subversion/tags/1.6.7[1] | 3,214 | 449 | 69.3 MB | 00:02:04
> ----------------------------------------------------------------------
> ^/subversion/tags/ebcdic[2] | 14,703 | 1,826 | 313.0 MB | 00:11:44
> | x 4.57 | x4.07 | x 4.52 | x 5.65
> ----------------------------------------------------------------------
> ^/subversion/branches[2] | 91,534 | 9,720 | 2.16 GB | 03:46:10
> | x28.47 | x21.64| x88.15 | x108.70
> ----------------------------------------------------------------------
>
> So upgrade performance is roughly linear with WC size.

Fantastic! I was a little afraid it might not be.

- Julian

> Why upgrade is
> so slow on my Windows box as compared to Philip's linux box are
> another matter, one which I'll touch on elsewhere in this thread in a
> few minutes.
>
> Paul
>
> [1] Using trunk_at_1133033 (results from earlier in this thread)
> [2] Using trunk_at_1130808
Received on 2011-06-13 21:37:17 CEST

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