diff --git a/lib/puma/server.rb b/lib/puma/server.rb
index a280a46e..e812089c 100644
--- a/lib/puma/server.rb
+++ b/lib/puma/server.rb
@@ -69,6 +69,7 @@ class Server
     #   calling code to not require events.rb.
     #
     def initialize(app, events = nil, options = {})
+      @closed_conections = 0
       @app = app
       @events = events || Events.new
 
@@ -393,6 +394,7 @@ def handle_servers
         end
 
         graceful_shutdown if @status == :stop || @status == :restart
+STDOUT.syswrite "\n********* @closed_conections #{@closed_conections}  reactor #{@reactor&.selector_size_max}  tp #{pool&.backlog_max}\n"
       rescue Exception => e
         @log_writer.unknown_error e, nil, "Exception handling servers"
       ensure