diff --git a/htroot/PerformanceGraph.java b/htroot/PerformanceGraph.java
index c84b44e25..7e1f34d7b 100644
--- a/htroot/PerformanceGraph.java
+++ b/htroot/PerformanceGraph.java
@@ -44,13 +44,17 @@ public class PerformanceGraph {
         final int width = post.getInt("width", 660);
         final int height = post.getInt("height", 240);
         final boolean showMemory = !post.containsKey("nomem");
+        final boolean showPeers = !post.containsKey("nopeers");
 
         long t = System.currentTimeMillis();
         if (t - indexSizeTime > 10000) {
             indeSizeCache = sb.index.fulltext().collectionSize();
             indexSizeTime = t;
         }
-        RasterPlotter graph = ProfilingGraph.performanceGraph(width, height, indeSizeCache + " URLS / " + sb.index.RWICount() + " WORDS IN INDEX / " + sb.index.RWIBufferCount() + " WORDS IN CACHE", showMemory);
+        RasterPlotter graph = ProfilingGraph.performanceGraph(
+                width, height,
+                indeSizeCache + " URLS / " + sb.index.RWICount() + " WORDS IN INDEX / " + sb.index.RWIBufferCount() + " WORDS IN CACHE",
+                showMemory, showPeers);
         return graph;
     }
 
diff --git a/htroot/PerformanceMemory_p.html b/htroot/PerformanceMemory_p.html
index 163d8a43f..c1ef9995e 100644
--- a/htroot/PerformanceMemory_p.html
+++ b/htroot/PerformanceMemory_p.html
@@ -9,7 +9,7 @@
     <script type="text/javascript"><!--
 	function reloadGraph() {
 	  if(document.forms["optionreloadGraph"].option.checked)
-	  	document.images["graph"].src="PerformanceGraph.png?time="+(new Date()).getTime();
+	  	document.images["graph"].src="PerformanceGraph.png?nopeers=&time="+(new Date()).getTime();
 	  window.status="";
 	}
 	window.setInterval("reloadGraph()", 1000);
@@ -18,8 +18,8 @@
     #%env/templates/submenuComputation.template%#
     <h2>Performance Settings for Memory</h2>
     
-    <p><img src="PerformanceGraph.png" id="graph" alt="PerformanceGraph"/></p>
-    <form id="optionreloadGraph" action="" method="get"><p><input type="checkbox" name="option" id="autoreload"/> <label for="autoreload">refresh graph</label></p></form>
+    <p><img src="PerformanceGraph.png?nopeers=" id="graph" alt="PerformanceGraph"/></p>
+    <form id="optionreloadGraph" action="" method="get"><p><input type="checkbox" name="option" id="autoreload" #(autoreload.checked)#::checked="checked"#(/autoreload.checked)#/> <label for="autoreload">refresh graph</label></p></form>
 	<form action="PerformanceMemory_p.html" method="post" enctype="multipart/form-data" accept-charset="UTF-8">
 	<p><input type="checkbox" name="simulatedshortmemory" onclick = 'this.form.submit()' #(simulatedshortmemory.checked)#:: checked="checked"#(/simulatedshortmemory.checked)#/>simulate short memory status</label></p>
 	<p><input type="checkbox" name="useStandardmemoryStrategy" onclick = 'this.form.submit()' #(useStandardmemoryStrategy.checked)#:: checked="checked"#(/useStandardmemoryStrategy.checked)#/>use Standard Memory Strategy (current: #[memoryStrategy]#)</p>
diff --git a/htroot/PerformanceMemory_p.java b/htroot/PerformanceMemory_p.java
index b6bf86f8a..11c1ed259 100644
--- a/htroot/PerformanceMemory_p.java
+++ b/htroot/PerformanceMemory_p.java
@@ -49,7 +49,7 @@ public class PerformanceMemory_p {
     private static final long KB = 1024;
     private static final long MB = 1024 * KB;
     private static Map<String, String> defaultSettings = null;
-
+    
     public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
         // return variable that accumulates replacements
         final serverObjects prop = new serverObjects();
@@ -58,18 +58,22 @@ public class PerformanceMemory_p {
         }
 
         prop.put("gc", "0");
+        prop.put("autoreload.checked", "0");
         if (post != null) {
             if (post.containsKey("gc")) {
                 System.gc();
                 prop.put("gc", "1");
+                prop.put("autoreload.checked", "1");
             } else {
-                MemoryControl.setSimulatedShortStatus(post.containsKey("simulatedshortmemory"));
+                boolean simulatedshortmemory = post.containsKey("simulatedshortmemory");
+                MemoryControl.setSimulatedShortStatus(simulatedshortmemory);
+                if (simulatedshortmemory) prop.put("autoreload.checked", "1");
                 final boolean std = post.containsKey("useStandardmemoryStrategy");
                 env.setConfig("memory.standardStrategy", std);
                 MemoryControl.setStandardStrategy(std);
             }
         }
-
+        
         prop.put("simulatedshortmemory.checked", MemoryControl.getSimulatedShortStatus() ? 1 : 0);
         prop.put("useStandardmemoryStrategy.checked", env.getConfigBool("memory.standardStrategy", true) ? 1 : 0);
         prop.put("memoryStrategy", MemoryControl.getStrategyName());
diff --git a/htroot/Performance_p.html b/htroot/Performance_p.html
index 8796d6680..e23df55bc 100644
--- a/htroot/Performance_p.html
+++ b/htroot/Performance_p.html
@@ -9,7 +9,7 @@
     <script type="text/javascript"><!--
     function reloadGraph() {
       if(document.forms["optionreloadGraph"].option.checked)
-        document.images["graph"].src="PerformanceGraph.png?time="+(new Date()).getTime();
+        document.images["graph"].src="PerformanceGraph.png?nopeers=&time="+(new Date()).getTime();
       window.status="";
     }
     window.setInterval("reloadGraph()", 1000);
@@ -18,7 +18,7 @@
     #%env/templates/submenuConfig.template%#
     <h2>Performance Settings</h2>
   
-    <p><img src="PerformanceGraph.png" id="graph" alt="PerformanceGraph" width="660" height="240"/></p>
+    <p><img src="PerformanceGraph.png?nopeers=" id="graph" alt="PerformanceGraph" width="660" height="240"/></p>
     <form id="optionreloadGraph" action="" method="get"><p><input type="checkbox" name="option" id="autoreload"/> <label for="autoreload">refresh graph</label></p></form>
   
   
diff --git a/source/net/yacy/peers/graphics/ProfilingGraph.java b/source/net/yacy/peers/graphics/ProfilingGraph.java
index 7a7dfa116..6e02f099f 100644
--- a/source/net/yacy/peers/graphics/ProfilingGraph.java
+++ b/source/net/yacy/peers/graphics/ProfilingGraph.java
@@ -55,7 +55,7 @@ public class ProfilingGraph {
         return max;
     }
 
-    public static RasterPlotter performanceGraph(final int width, final int height, final String subline, final boolean showMemory) {
+    public static RasterPlotter performanceGraph(final int width, final int height, final String subline, final boolean showMemory, final boolean showPeers) {
         // find maximum values for automatic graph dimension adoption
         final int maxppm = (int) maxPayload(EventTracker.EClass.PPM, 25);
         final int maxwords = (int) maxPayload(EventTracker.EClass.WORDCACHE, 12000);
@@ -171,22 +171,24 @@ public class ProfilingGraph {
             }
 
             // draw peer ping
-            events = EventTracker.getHistory(EventTracker.EClass.PEERPING);
-            x0 = 1; y0 = 0;
-            if (events != null) {
-                EventTracker.Event event;
-                EventPing ping;
-                String pingPeer;
-                while (events.hasNext()) {
-                    event = events.next();
-                    time = event.time - now;
-                    ping = (EventPing) event.payload;
-                    x1 = (int) (time/1000);
-                    y1 = Math.abs((ping.outgoing ? ping.toPeer : ping.fromPeer).hashCode()) % vspace;
-                    pingPeer = ping.outgoing ? "-> " + ping.toPeer.toUpperCase() : "<- " + ping.fromPeer.toUpperCase();
-                    chart.setColor(Long.parseLong("444444", 16));
-                    chart.chartDot(ChartPlotter.DIMENSION_BOTTOM, ChartPlotter.DIMENSION_ANOT2, x1, y1, 2, pingPeer + (ping.newPeers > 0 ? "(+" + ping.newPeers + ")" : ""), 0);
-                    x0 = x1; y0 = y1;
+            if (showPeers) {
+                events = EventTracker.getHistory(EventTracker.EClass.PEERPING);
+                x0 = 1; y0 = 0;
+                if (events != null) {
+                    EventTracker.Event event;
+                    EventPing ping;
+                    String pingPeer;
+                    while (events.hasNext()) {
+                        event = events.next();
+                        time = event.time - now;
+                        ping = (EventPing) event.payload;
+                        x1 = (int) (time/1000);
+                        y1 = Math.abs((ping.outgoing ? ping.toPeer : ping.fromPeer).hashCode()) % vspace;
+                        pingPeer = ping.outgoing ? "-> " + ping.toPeer.toUpperCase() : "<- " + ping.fromPeer.toUpperCase();
+                        chart.setColor(Long.parseLong("9999AA", 16));
+                        chart.chartDot(ChartPlotter.DIMENSION_BOTTOM, ChartPlotter.DIMENSION_ANOT2, x1, y1, 2, pingPeer + (ping.newPeers > 0 ? "(+" + ping.newPeers + ")" : ""), 0);
+                        x0 = x1; y0 = y1;
+                    }
                 }
             }