<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">You should be able to answer this by tailing the log of your nginx and orig server at the same time.<div class=""><br class=""><div class="">It would be helpful if you shared an (anonymized) section of both logs. When I say <i class="">fast</i> or <i class="">slow</i> </div><div class="">I might mean something very different to what you hear.</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 11 Feb 2019, at 10:06 AM, joao.pereira <<a href="mailto:nginx-forum@forum.nginx.org" class="">nginx-forum@forum.nginx.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Just to add more information, I also have:<br class=""><br class="">proxy_cache_use_stale   error<br class="">                                timeout<br class="">                                invalid_header<br class="">                                updating<br class="">                                http_500<br class="">                                http_502<br class="">                                http_503<br class="">                                http_504<br class="">                                http_404;<br class="">proxy_cache_background_update   on;<br class=""><br class="">Posted at Nginx Forum: <a href="https://forum.nginx.org/read.php?2,282984,282985#msg-282985" class="">https://forum.nginx.org/read.php?2,282984,282985#msg-282985</a><br class=""><br class="">_______________________________________________<br class="">nginx mailing list<br class=""><a href="mailto:nginx@nginx.org" class="">nginx@nginx.org</a><br class="">http://mailman.nginx.org/mailman/listinfo/nginx<br class=""></div></div></blockquote></div><br class=""></div></div></body></html>