gzip min_length with upstream + ssi

[191919]

Just a suggestion: gzip module waits for gzip_min_length bytes, if there is
enough data, it starts compressing.

2009/9/17 Igor Sysoev <is at rambler-co.ru>

> On Thu, Sep 17, 2009 at 06:11:53PM +0800, 191919 wrote:
>
> > Will nginx support using ssi + gzip?
>
> nginx supports ssi+gzip. However, gzip_min_length does not work in this
> case.
>
> > 2009/9/17 Igor Sysoev <is at rambler-co.ru>
> >
> > > On Thu, Sep 17, 2009 at 05:51:33PM +0800, 191919 wrote:
> > >
> > > > Hi there,
> > > >
> > > > I encountered a problem when using gzip_min_length with upstream +
> ssi:
> > > >
> > > > ssi on;
> > > > gzip_min_length 1024;
> > > > upstream fastcgi_backends
> > > > {
> > > >   server unix:/tmp/nx-fastcgi.sock.00;
> > > > }
> > > >
> > > > I wrote a PHP script as:
> > > >
> > > > <?
> > > > header('Content-Length: 3');
> > > > echo '123';
> > > > ?>
> > > >
> > > > and requested as:
> > > >
> > > > GET /2.php HTTP/1.0
> > > > Accept-Encoding: gzip, deflate
> > > >
> > > > nginx returned:
> > > >
> > > > HTTP/1.1 200 OK
> > > > Server: nginx/0.8.15
> > > > Date: Thu, 17 Sep 2009 09:39:57 GMT
> > > > Content-Type: text/html
> > > > Connection: close
> > > > X-Powered-By: PHP/5.2.8
> > > > Vary: Accept-Encoding
> > > > Content-Encoding: gzip
> > > >
> > > > 3426???
> > > >
> > > > As you see, the content is compressed despite of gzip_min_length =
> 1024.
> > > >
> > > > When I turned off ssi (ssi off;), gzip_min_length works:
> > > >
> > > > HTTP/1.1 200 OK
> > > > Server: nginx/0.8.15
> > > > Date: Thu, 17 Sep 2009 09:48:11 GMT
> > > > Content-Type: text/html
> > > > Connection: close
> > > > X-Powered-By: PHP/5.2.8
> > > > Content-Length: 3
> > > > Vary: Accept-Encoding
> > > >
> > > > 123
> > > >
> > > > (Commenting out "ngx_http_clear_content_length(r);" in
> > > > ngx_http_ssi_filter_module.c also works, I didn't test whether ssi
> still
> > > > worked.)
> > >
> > > SSI deletes "Content-Length" so gzip module does not know about it.
> > >
> > >
> > > --
> > > Igor Sysoev
> > > http://sysoev.ru/en/
> > >
> > >
>
> --
> Igor Sysoev
> http://sysoev.ru/en/
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://nginx.org/pipermail/nginx/attachments/20090917/6b2c7b00/attachment.html>