avoiding disk cache on proxy ?

[Jonathan Vanasco]

nginx caches some of my pages to disk during proxy requests because  
it is too large

i'd like to avoid this as much as possible, as the disk io is annoying.

can anyone recommend some settings for
	proxy_buffering
	proxy_buffer_size
	proxy_buffers

i'd like to avoid writing to disk entirely.  i'd be fine with  
dedicate 20mb or so to this if needed.


// Jonathan Vanasco

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