Add requesttime to log

templates/nginx.conf.j2

@@ -7,6 +7,7 @@ worker_processes  {{ nginx_worker_processes }};
 
 events {
     worker_connections  {{ nginx_worker_connections }};
+    use epoll;
     multi_accept {{ nginx_multi_accept }};
 }
 
@@ -24,7 +25,8 @@ http {
 
     log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                       '$status $body_bytes_sent "$http_referer" '
-                      '"$http_user_agent" "$http_x_forwarded_for"';
+                      '"$http_user_agent" "$http_x_forwarded_for"'
+                      '$request_time $upstream_response_time $pipe';
 
     access_log  {{ nginx_access_log }};