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From "Arabinda Sahoo" <Arabinda.Sa...@S1.com>
Subject RE: [users@httpd] Apache/2.0.47 - AIX - DEFLATE enabled - Content-Encoding for a page - shows blank - although it's gzip encoded
Date Wed, 06 May 2009 07:41:31 GMT
Hi,
Thanks.


Actually I have a compelling reason to set - Content-Encoding to gzip - for performance improvement.

Although Compression is set for Apache - DEFLATE module, a few Pages which are rendered by
Actuate 8 report server - don't honour them.

As per you - I tried - mod_headers - but unsuccessfully 
(Although Apache doc for mod_headers say that  - these settings take effect just before it
is sent over the network!!!!)

So, who is changing my header?

Okay, I will try see - mod_perl and install it and see what else can I do.
Please guide me once you are back next week.


Regards
Arabinda

-----Original Message-----
From: André Warnier [mailto:aw@ice-sa.com] 
Sent: Wednesday, May 06, 2009 12:49 PM
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache/2.0.47 - AIX - DEFLATE enabled - Content-Encoding for a
page - shows blank - although it's gzip encoded

Arabinda Sahoo wrote:
> 
> Hi,
> 
> Thanks for the more detailed reply.
> Yes, I think that Content-Encoding may be of a category of "Content-Type".
> So, it will be useful for me at lease try the mod_perl once.
> 
> So, could you please let me know - what all you did?
> Steps for using mod_perl?
> And your sample code where you are setting "Content-Type" to the type you want.
> 
I will not have the time this week anymore. Next week is better.
Just this for now :

If you have no prior exposure to mod_perl : mod_perl is a very powerful 
piece of software, allowing one to really do interesting things with 
Apache, things you could not do with anything else apart from writing 
your own Apache add-on modules in C.  I personally love it and use it on 
all my servers.  But there are implications :
- it has a learning curve (perl, for instance)
- it can be heavy on the server (memory)
- it may or may not be easy to install, depending on the platform (and I 
don't know about AIX).

So, if mod_perl is not yet installed on your machine (*), and before you 
go in that direction :
- really make sure first that you have the problem well-understood, and 
that the other alternatives do not work
- find out what is needed to install perl and mod_perl on your AIX 
machine (for example, if there exists some standard package under the 
AIX package manager)

(*) the first line in the Apache error log after restarting Apache, will 
tell you so. If mod_perl is installed, it will show up like this :

Apache/2.2.3 (Debian) DAV/2 SVN/1.4.2 mod_jk/1.2.18 PHP/4.4.4-8+etch4 
mod_ssl/2.2.3 OpenSSL/0.9.8c mod_perl/2.0.2 Perl/v5.8.8 configured -- 
resuming normal operations

In other words, if modifying this Content-encoding response header is 
all you ever want to do with mod_perl, I am not sure that I would 
recommend installing mod_perl just for that.
Unless it is a really critical issue, and you have really no solution 
with standard Apache modules.

If after all the above, you decide to persist, then I will gladly try to 
help you, because I cannot resist trying to convince someone else of the 
beauties of mod_perl. But I will not be able to do that before next week.
In the meantime then, install perl and mod_perl, and start reading the 
documentation, here :
http://perl.apache.org/
and here :
http://perl.apache.org/docs/2.0/user/index.html


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