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From Adam Schrotenboer <adam...@yahoo-inc.com>
Subject Re: [users@httpd] flush(STDOUT) + mod_deflate - was: mix pre-compressed and mod_deflate
Date Tue, 10 May 2011 22:04:55 GMT
On 05/10/2011 02:46 PM, Macks, Aaron wrote:
> Can you have the .js get called from a different VHOST (probably will need a FQ url)
and configure the "static" vhost and the "cgi" vhost each tuned to the specific purpose
>


An interesting idea, but that seems that it would require 2 VMs (I tried
putting a SetOutputBuffer in a <Directory>, but it refuses that context,
so i'm guessing it'll reject a <virtualhost> as well), and that would
never pass review for deployment.

I'm tempted to try setting this one CGI to no-gzip, as it's not that
much content (most of the content is the javascripts and json files).
just ~30kb.
and I can also try pre-compressing the JSON files.

> A
> --
> Aaron Macks
> Sr. Unix Systems Engineer
>
> Harvard Business Publishing
> 300 North Beacon St.    |   Watertown, MA 02472
> (617) 783-7461          |   Fax: (617) 783-7467
> www.harvardbusiness.org |   Cell:(978) 317-3614
>
> On May 10, 2011, at 5:39 PM, Adam Schrotenboer wrote:
>
>> On 05/10/2011 11:14 AM, Adam Schrotenboer wrote:
>>> I have a reasonably working mod_rewrite solution for serving
>>> pre-compressed files. But if I enable mod_deflate, it seems to override
>>> my mod_rewrite method.
>>>
>>> Basic problem is this:
>>> serving jquery.js with mod_deflate takes 1sec to load, serving it
>>> pre-compressed (and mod_deflate disabled) takes 180msec to load.
>>> With mod_rewrite + mod_deflate enabled, I get the same 1sec to load this
>>> file.
>>>
>>> So I want to pre-compress some files, and have the rest be compressed on
>>> the fly. How do I make mod_deflate get out of the way for pre-compressed
>>> files?
>>>
>> After more playing with it, the high latency under mod_deflate is caused
>> by the change required to make 'flush' work (setting a low SetOutputBuffer).
>>
>> I'm _trying_ to make the javascript start being loaded while the CGI
>> finishes putting together the page. It seems I can have one or the other
>> (working flush, or fast mod_deflate).
>>
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>
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