Hi,
> php read file and echo on the browser
> but nginx uses high ram
since we have no detail on how you measured this and did not show us the
PHP code (*looking at crystal ball*), I suspect it's the common problem:
If you use readfile(), make sure to disable output buffering or PHP will
happily read large files into memory until it hits the memory limit. As
an alternative, implement a chunking readfile() or use something like
http_send_file().
The most efficient way however is to use X-Accel-Redirect [1] (also
known as X-SendFile). Skip piping the file through PHP and let nginx
serve it directly!
Hope this helps,
John
[1] http://wiki.nginx.org/XSendfile
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