Upstream too big - nginx + codeigniter
Solution 1:
Add this to your http {}
of the nginx.conf file normally located at /etc/nginx/nginx.conf:
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;
Then add this to your php location block, this will be located in your vhost file look for the block that begins with location ~ .php$ {
fastcgi_buffer_size 128k;
fastcgi_buffers 4 256k;
fastcgi_busy_buffers_size 256k;
Solution 2:
Modify your nginx configuration and change/set the following directives:
proxy_buffer_size 128k;
proxy_buffers 4 256k;
proxy_busy_buffers_size 256k;