I’m not sure how proxy_buffers are used.
1- requests to the backend can use only one buffer. If the reponse is
bigger than one buffer, some part of the response is buffered to disk.
2- requests to the backen can use multiple buffers. If the response is
bigger than on buffer, nginx will use more buffers (if available of
So depending on the answer, I would use :
1- big buffers so that 80% of the requests can feet in on buffer. And
enough buffers so that 80% of the requests can be buffered
2- small buffers and a lots of buffers
don’t know what to use any clue ?