diff --git a/src/test/java/net/openhft/chronicle/map/example/DistributedSequenceMain.java b/src/test/java/net/openhft/chronicle/map/example/DistributedSequenceMain.java
index d7bd7355d..aa1b9b7ec 100644
--- a/src/test/java/net/openhft/chronicle/map/example/DistributedSequenceMain.java
+++ b/src/test/java/net/openhft/chronicle/map/example/DistributedSequenceMain.java
@@ -23,21 +23,29 @@ import net.openhft.chronicle.map.ChronicleMapBuilder;
 import net.openhft.lang.model.DataValueClasses;
 import net.openhft.lang.values.LongValue;
 
+import java.io.File;
 import java.io.IOException;
 
 public class DistributedSequenceMain {
 
     public static void main(String... ignored) throws IOException {
-        Class<LongValue> longValueClass = DataValueClasses.directClassFor(LongValue.class);
+        File file = File.createTempFile("sequence-numbers", ".dat");
         try (ChronicleMap<String, LongValue> map =
-                     ChronicleMapBuilder.of(String.class, longValueClass)
+                     ChronicleMapBuilder.of(String.class, LongValue.class)
                              .entries(128)
-                             .actualSegments(1).create()) {
-            LongValue value = DataValueClasses.newDirectReference(longValueClass);
-            map.acquireUsing("sequence", value);
+                             .actualSegments(1)
+                             .createPersistedTo(file)) {
+            for (int t = 0; t < 5; t++) {
+                LongValue value = DataValueClasses.newDirectReference(LongValue.class);
+                map.acquireUsing("sequence-" + t, value);
 
-            for (int i = 0; i < 1000000; i++) {
-                long nextId = value.addAtomicValue(1);
+                long start = System.nanoTime();
+                int runs = 10000000;
+                for (int i = 0; i < runs; i++) {
+                    long nextId = value.addAtomicValue(1);
+                }
+                double rate = (double) (System.nanoTime() - start) / runs;
+                System.out.printf("Uncontended increment took an average of %.1f ns.%n", rate);
             }
         }
     }