provide optional tuning parameters

debian/nginx.conf

@@ -72,6 +72,8 @@ pid /var/run/nginx.pid;
 
 events {
     worker_connections 768;
+    # multi_accept  on;
+    # use epoll;
 }
 
 # Separate stream location files
@@ -80,12 +82,12 @@ include /etc/nginx/sites-enabled/*.stream;
 http {
 
     # Basic Settings
-    sendfile on;
-    tcp_nopush on;
-    tcp_nodelay on;
-    types_hash_max_size 2048;
-    server_tokens off;
-    ignore_invalid_headers on;
+        sendfile on;
+        tcp_nopush on;
+        tcp_nodelay on;
+        types_hash_max_size 2048;
+        server_tokens off;
+        ignore_invalid_headers on;
 
     # Decrease default timeouts to drop slow clients
         keepalive_timeout 40s;
@@ -101,6 +103,9 @@ http {
         default_type  application/octet-stream;
         include /etc/nginx/mime.types;
 
+    # aio threads
+        # aio threads=default;
+
     # log
         log_format main '$remote_addr - $remote_user [$time_local] "$request" $status $bytes_sent "$http_referer" "$http_user_agent" "$gzip_ratio"';
         access_log /var/log/nginx/access.log main;