# Re: FW: overseas performance

From: J S <jevans591_at_yahoo.com>
Date: 2005-10-31 19:48:35 CET

Found the http-compression setting in my C:\Documents
and Settings\jevans\Application
Data\Subversion\servers file. No effect locally but
Thanks,
- jevans

--- J S <jevans591@yahoo.com> wrote:

> I do not see anything mention of compression in my
> (unmodified) C:\Documents and
> Settings\jevans\Application Data\Subversion\config
> file.
> Please let me know if there is a setting I should
> Thanks,
> - jevans
>
> --- Kyle Kline <kyle.kline@gmail.com> wrote:
>
> > Under Docs and Settings\<username>\Application
> > Settings\subversion, there
> > are a few config files. I don't have access to my
> > work comp for a few days,
> > otherwise would tell you which one. There is a
> > commented out example in the
> > file of how to enable outbound compression from
> the
> > client side.
> > When I get back, will send you my location config
> &
> > the local client
> > option.
> >
> > On 10/27/05, J S <jevans591@yahoo.com> wrote:
> > >
> > > LoadModule deflate_module modules/mod_deflate.so
> > > to httpd.conf.
> > > SetOutputFilter DEFLATE
> > > to the <Location> section.
> > > Does seem to have helped most operations (but
> not
> > > checkout interestingly).
> > >
> > > You mentioned client options as well but I don't
> > see
> > > anything in either the Subversion or Tortoise
> > docs.
> > > Can you tell me where to find out more?
> > >
> > > I'd like to make our repository as usable as
> > possible
> > > for our developers overseas.
> > >
> > > Thanks,
> > >
> > > - jevans
> > >
> > > --- Kyle Kline < kyle.kline@gmail.com> wrote:
> > >
> > > > Are you using Apache/mod_svn? If you are, you
> > should
> > > > consider enabling
> > > > mod_deflate to compress server responses (and,
> > with
> > > > the right client config
> > > > file option, the requests.) I've had good luck
> > with
> > > > this making a
> > > > significant impact with
> > high-latency/low-bandwidth
> > > > connections.
> > > >
> > > > I can share my config settings for this if you
> > are
> > > > interested, my server is
> > > > a Win2K server as well.
> > > >
> > > > -Kyle
> > > >
> > > > On 10/25/05, J S <jevans591@yahoo.com> wrote:
> > > > >
> > > > > Hello,
> > > > >
> > > > > I've seen some reference that we should
> expect
> > a
> > > > > performance hit in overseas offices. Can
> > anyone
> > > > > clarify what should be exected?
> > > > >
> > > > > Locally (repository in the same office) we
> can
> > get
> > > > > file logs in 2-3 seconds. Similar response
> > > > elsewhere
> > > > > in N.Am. But in Japan and Australia they're
> > seeing
> > > > 3
> > > > > minutes. Is this normal?
> > > > >
> > > > > Packet traces show differences of about 4x
> > between
> > > > > here and Japan but still less than 200ms.
> But
> > at
> > > > the
> > > > > Subversion level, we're seeing a factor of
> > > > 60x.
> > > > >
> > > > > If this is not normal behavior, where can we
> > look
> > > > to
> > > > > optimize our system? It is a 600MHz Pentium
> 3
> > > > running
> > > > > Win2K Server.
> > > > >
> > > > > Thanks,
> > > > >
> > > > > - jevans

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