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Re: [Issue 3980] serf increases server load

From: Stefan Fuhrmann <stefan.fuhrmann_at_wandisco.com>
Date: Mon, 12 Nov 2012 20:25:52 +0100

On Mon, Nov 12, 2012 at 7:27 PM, Bert Huijben <bert_at_qqmail.nl> wrote:

>
>
> > -----Original Message-----
> > From: philip_at_tigris.org [mailto:philip_at_tigris.org]
> > Sent: maandag 12 november 2012 18:59
> > To: issues_at_subversion.tigris.org
> > Subject: [Issue 3980] serf increases server load
> >
> > http://subversion.tigris.org/issues/show_bug.cgi?id=3980
> >
> >
> > ------- Additional comments from philip_at_tigris.org Mon Nov 12 09:59:19
> -0800
> > 2012 -------
> > Using serf 1.1.x_at_1691 and subversion trunk_at_1408335 as 1.8.
> > Using 1.7.7 with neon as 1.7.
> > Using subversion trunk as my dataset.
> >
> > The server CPU and bandwidth to service one checkout:
> >
> > 1.7 neon client, 1.7 server
> > 3.6s, 21.4MB
> >
> > 1.8 serf client, 1.7 server
> > 2.9s, 46.9MB
> >
> > 1.7 neon client, 1.7 server, mod_deflate
> > 5.3s, 15.4MB
> >
> > 1.8 serf client, 1.7 server, mod_deflate
> > 5.7s, 15.9MB
> >
> > 1.7 neon client, 1.8 server
> > 3.3s, 21.4MB
> >
> > 1.8 serf client, 1.8 server
> > 1.6s, 44.7MB
> >
> > 1.7 neon client, 1.8 server, mod_deflate
> > 4.8s, 15.4MB
> >
> > 1.8 serf client, 1.8 server, mod_deflate
> > 4.1s. 14.7MB
>

How long does it take to do e.g. 4 c/o in parallel
to some ramdisk with hot server caches? That
would give some indication on the server CPU usage.

-- Stefan^2.

-- 
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Received on 2012-11-12 20:26:25 CET

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