Do you have SPDY enabled? I have experienced issues with SPDY, upstream keepalive and proxy_cache together. Ended up having to turn off SPDY.
Posted at Nginx Forum: http://forum.nginx.org/read.php?2,205826,239314#msg-239314 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx
