Update nginx log format ltsv

webapp/nginx/nginx.conf

@@ -5,7 +5,23 @@ events {
 http {
     default_type  application/octet-stream;
     error_log  /dev/stdout error;
-    access_log /dev/stdout combined;
+    #access_log /dev/stdout combined;
+    log_format ltsv "time:$time_local"
+                "\thost:$remote_addr"
+                "\tforwardedfor:$http_x_forwarded_for"
+                "\treq:$request"
+                "\tstatus:$status"
+                "\tmethod:$request_method"
+                "\turi:$request_uri"
+                "\tsize:$body_bytes_sent"
+                "\treferer:$http_referer"
+                "\tua:$http_user_agent"
+                "\treqtime:$request_time"
+                "\tcache:$upstream_http_x_cache"
+                "\truntime:$upstream_http_x_runtime"
+                "\tapptime:$upstream_response_time"
+                "\tvhost:$host";
+ 	  access_log /var/log/nginx/access.log ltsv;
 
     ssl_certificate /etc/nginx/_.isucon8.flying-chair.net.crt;
     ssl_certificate_key /etc/nginx/_.isucon8.flying-chair.net.key;