diff --git a/app.js b/app.js
index 4ba5068..fe1ca84 100644
--- a/app.js
+++ b/app.js
@@ -15,8 +15,8 @@ var gracefulShutdown = function() {
 
     setTimeout(function(){
         console.info("Closed out remaining connections.");
-        process.exit(0)
-    }, 2*1000);
+        process.exit(0);
+    }, 5*1000);
 }
 
 // listen for TERM signal .e.g. kill
diff --git a/lib/node.js b/lib/node.js
index 4139b2f..c9ea939 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -44,7 +44,7 @@ var MAX_BLOCKS_HISTORY = 40;
 var UPDATE_INTERVAL = 5000;
 var PING_INTERVAL = 2000;
 var MINERS_LIMIT = 5;
-var MAX_HISTORY_UPDATE = 100;
+var MAX_HISTORY_UPDATE = 50;
 
 function Node()
 {