This topic created in 4460 days ago, the information mentioned may be changed or developed.
nginx的文档很操蛋,就一句话:
Syntax: proxy_buffers number size
This directive sets the number and the size of buffers, into which will be read the answer, obtained from the proxied server. By default, the size of one buffer is equal to the size of page. Depending on platform this is either 4K or 8K.