nginx-ltsv_log_format-sample.conf

    log_format ltsv "time:$time_local"
                    "\thost:$remote_addr"
                    "\turi:$request_uri"
                    "\tmethod:$request_method"
                    "\tforwardedfor:$http_x_forwarded_for"
                    "\treq:$request"
                    "\tstatus:$status"
                    "\tsize:$body_bytes_sent"
                    "\treferer:$http_referer"
                    "\tua:$http_user_agent"
                    "\treqtime:$request_time"
                    "\tcache:$upstream_http_x_cache"
                    "\truntime:$upstream_http_x_runtime"
                    "\tvhost:$host";
    access_log /var/log/nginx/access.log.ltsv ltsv;