Error in Centos 6 logs, how to fix?

Question

CentOS

I went into the folder with logs, it turned out I had hundreds of the same type of errors there

2017/09/13 03:34:39 [warn] 1270#0: *97990 an upstream response is buffered to a temporary file /var/cache/nginx/proxy_temp/8/46/0000010468 while reading upstream, client: 0.0.0.0, server: site.ru, request: "POST /my_script.php HTTP/1.1", upstream: "http://127.0.0.1:8080/my_script.php", host: "site.ru"

What does it mean? Help me fix it please.

Answer 1

Google said what?
Be people, first in the search engine - then here.
proxy_max_temp_file_size 0; in the http section add