benchmark_config more similar to nodejs

yesod/benchmark_config

@@ -4,8 +4,6 @@
     "default": {
       "setup_file": "setup",
       "json_url": "/json",
-      "db_url": "/db",
-      "query_url": "/dbs/",
       "port": 8000,
       "sort": 37
     }
@@ -20,8 +18,15 @@
       "setup_file": "setup",
       "db_url": "/mongo/raw/db"
       "query_url": "/mongo/raw/dbs/",
-      "port": 8080,
+      "port": 8000,
       "sort": 47
     },
+    "mysql": {
+      "setup_file": "setup",
+      "db_url": "/db",
+      "query_url": "/dbs/",
+      "port": 8000,
+      "sort": 10
+    },
   }]
 }