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From Abu Hurayrah <abu_huray...@almaghrib.org>
Subject Re: [users@httpd] Strange user-agents and requests causing Apache processes to explode!
Date Tue, 26 Apr 2005 01:46:38 GMT
Joshua Slive wrote:

>On 4/25/05, Abu Hurayrah <abu_hurayrah@almaghrib.org> wrote:
>  
>
>> Actually, I think I discovered my own solution.  It turns out by hijacking
>>Apache's normal role of serving files and delegating it to my own PHP
>>script, I've caused a bit of a confusion, and Apache still attempts to
>>answer requests for partial content, while my script is only adept at
>>deliver the whole thing from start to finish.
>> 
>> What ends up happening, I think, is that Apache will load the entire file
>>into memory, and then take care of the partial-content requests - I don't
>>know if it is successfully, because these requests are often repeated, much
>>to the dismay of my memory controller!  This would explain why the processes
>>were maxing out at 140+MB - that is, coincidentally, around the same size as
>>the largest files I'm serving up.
>> 
>> What I have to do is rewrite my entire routine to handle the HTTP requests
>>themselves, which shouldn't be amazingly hard - but it does through a wrench
>>in the works.  I'll try and update this thread if I finish my solution.
>>    
>>
>
>That is a possible explanation.  There was some discussion of this
>issue on the dev list a while back, but I'm not sure what ever happend
>to it.  That is certainly not good behavior on apache's part.
>
>One other possibility for you is to try to use some of the
>BrowserMatch variables (downgrade-1.0, force-response-1.0) to get
>apache to stop doing byte-range responses.
>
>Joshua.
>
Joshua,

Thank you very much for the feedback.  Where can I find out more about 
how to change Apache's response behaviors?  It would be very helpful if 
I could actually disable certain abilities in the meantime while I 
resolve this issue via PHP.

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