###Nginx multi-host combined access log format
Log multiple hosts with gzip compression and request time data.
From /etc/nginx/nginx.conf:
log_format timed_combined '$remote_addr - $remote_user [$time_local] '
'$host "$request" $status $body_bytes_sent '
'"$http_referer" "$http_user_agent" "$gzip_ratio" ($request_time)';
access_log /var/log/nginx/access.log timed_combined;