By the way if possible can somebody please answer my original question as well....

>if my average response size is 128K and max response size is 32M and I'm on 32-bit platform,
>then following must be most optimized configuration - It will use memory efficiently as well as will not generate any warning?

>fastcgi_buffer_size 128K
>fastcgi_buffers 8192 4k

>Am I right?

I need to know because in some cases PHP scripts [i]like phpMyAdmin exporting a large database[/i] generates much bigger response.
Also in some other service I will be generating large XML output from PHP files.

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Rahul Bansal
EasyEngine - https://github.com/rtCamp/easyengine