[Zope] ZServer -> Apache/mod_proxy -> mod_gzip: Possible???

[Chris McDonough]

Hi Paul, this is good stuff.  Would you mind turning this into a HowTo
on Zope.org?

----- Original Message -----
From: "Paul Horbal" <horbal@vlsi.enel.ucalgary.ca>
To: "Oliver Bleutgen" <myzope@gmx.net>
Cc: <zope@zope.org>
Sent: Wednesday, November 28, 2001 1:35 PM
Subject: Re: [Zope] ZServer -> Apache/mod_proxy -> mod_gzip:
Possible???


> Hi everyone...
>
> After following Oliver's advice and bumbling through the mod_gzip
mailing list further, I've gotten mod_gzip to start compressing all
the Zope stuff served through Apache.  Here's a listing of the entries
in my httpd.conf for anybody else that would like to try it (I highly
recommend it):
>
> # In the main part of httpd.conf
>
>         mod_gzip_on     Yes
>         mod_gzip_can_negotiate  Yes
>         mod_gzip_add_header_count       Yes
>         mod_gzip_minimum_file_size      400
>         mod_gzip_maximum_file_size      0
>         mod_gzip_temp_dir       /tmp
>         mod_gzip_keep_workfiles No
>         mod_gzip_maximum_inmem_size     100000
>         mod_gzip_dechunk        Yes
>
>
>         mod_gzip_item_include   mime    ^text/*
>         mod_gzip_item_include   mime    httpd/unix-directory
>         mod_gzip_item_include   file    \.htm$
>         mod_gzip_item_include   file    \.html$
>         mod_gzip_item_include   handler proxy-server
>         mod_gzip_item_include   handler cgi-script
>
>         mod_gzip_item_exclude   rspheader       Content-Type:image/*
>         mod_gzip_item_exclude   mime    text/css
>         mod_gzip_item_exclude   file    \.css$
>         mod_gzip_item_exclude   file    \.js$
>
>
> # Now the VirtualHost for my Zope ZServer
>
> <VirtualHost xxx.xxx.xxx.xxx>
>   ServerName www.foo.com
>   ServerAdmin me@foo.com
>
>   ProxyPass / http://foo:8080/zopedir/
>   ProxyPassReverse / http://foo:8080/zopedir/
>   ProxyPass /misc_ http://foo:8080/misc_
>   ProxyPass /p_ http://foo:8080/p_
> </VirtualHost>
>
>
> Note the salient features:
>
> a) ...include mime ^text/*  -- tells mod_gzip to look for any file
with a mime type of "text" - this includes most stuff served up
through Zope IIRC
>
> b) ...include handler proxy-server  --  reminds mod_gzip to try and
intercept mod_proxy requests too (this is the part I was missing)
>
> c) ...exclude rspheader Content-Type:image/*  --  tells mod_gzip not
to bother compressing images (the gain is minimal in most cases and
actually chokes NS4 browsers)
>
>
>
> cheers,
> Paul.
>
>
>
>
>
> On Wed, Nov 28, 2001 at 10:21:17AM +0100, Oliver Bleutgen wrote:
> > Paul Horbal wrote:
> >
> > > Hi everyone,
> > >
> > > I've searched high and low but I can't find any documentation
for
> > > setting up mod_gzip to work with a Zope server (ZServer) being
served
> > > through Apache's mod_proxy with the ProxyPass directives.
> > >
> > > Is this possible at the moment?  Is there maybe a Zope product
that
> > > handles gzipping served pages?  This seems like a really good
idea...
> > >
> > > I have mod_gzip working with Apache - other VirtualHosts on the
same
> > > machine that aren't proxied serve gzipped pages - but apparently
> > > mod_proxy and mod_gzip don't like to play in the same sandbox.
Other
> > > people have reported success using mod_rewrite instead...  Is
there some
> > > sort of performance hit you sustain in this case?  If not, how
do you
> > > set that up?  =)
> >
> >
> > HI Paul,
> >
> > I use mod_proxy + mod_gzip and it works great - if it weren't for
the
> > damn browsers ;-). Seriously, there can be some gotchas, but all
> > encountered were client side problems.
> >
> > I use mod proxy, invoced via a rewrite rule (RewriteRule .... [P])
> > The only thing which might be special is
> > mod_gzip_item_include handler proxy-server
> >
> > There are some examples on the mod_gzip homepage&mailing lists.
> >
> > cheers,
> > oliver
> >
> >
> > _______________________________________________
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>
> --
> horbal@atips.ca
>
> _______________________________________________
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