Hello I am using Nginx with Circus. Circus is used with chaussette Very rarely I am seeing 504 error Nginx error log says upstream timed out (110: Connection timed out) while reading response header from upstream, client: A.B.C.D, server: servername.com, request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:8080/", host: "servername.com" The procesby lalit.jss - Nginx Mailing List - English