gistfile1.diff

diff --git a/src/java/voldemort/store/stats/StatTrackingStore.java b/src/java/voldemort/store/stats/StatTrackingStore.java
index 7b62e2d..d1b62cb 100644
--- a/src/java/voldemort/store/stats/StatTrackingStore.java
+++ b/src/java/voldemort/store/stats/StatTrackingStore.java
@@ -24,6 +24,7 @@ import voldemort.annotations.jmx.JmxGetter;
 import voldemort.annotations.jmx.JmxOperation;
 import voldemort.store.DelegatingStore;
 import voldemort.store.Store;
+import voldemort.versioning.ObsoleteVersionException;
 import voldemort.versioning.Version;
 import voldemort.versioning.Versioned;

@@ -87,6 +88,8 @@ public class StatTrackingStore<K, V> extends DelegatingStore<K, V> {
         long start = System.nanoTime();
         try {
             super.put(key, value);
+        } catch (ObsoleteVersionException e) {
+            stats.recordTime(Tracked.OBSOLETE, System.nanoTime() - start);
         } catch(VoldemortException e) {
             stats.recordTime(Tracked.EXCEPTION, System.nanoTime() - start);
             throw e;
@@ -159,6 +162,12 @@ public class StatTrackingStore<K, V> extends DelegatingStore<K, V> {
         return stats.getThroughput(Tracked.DELETE);
     }

+    @JmxGetter(name = "numberOfObsoleteVersions",
+            description = "Number of ObsoleteVersionExceptions since the last reset.")
+    public long getNumberOfObsoleteVersions() {
+        return stats.getCount(Tracked.OBSOLETE);
+    }
+
     @JmxGetter(name = "numberOfExceptions", description = "The number of exceptions since the last reset.")
     public long getNumberOfExceptions() {
         return stats.getCount(Tracked.EXCEPTION);
diff --git a/src/java/voldemort/store/stats/Tracked.java b/src/java/voldemort/store/stats/Tracked.java
index 52cd1ab..ce5fe09 100644
--- a/src/java/voldemort/store/stats/Tracked.java
+++ b/src/java/voldemort/store/stats/Tracked.java
@@ -5,7 +5,8 @@ public enum Tracked {
     GET_ALL("getAll"),
     PUT("put"),
     DELETE("delete"),
-    EXCEPTION("exception");
+    EXCEPTION("exception"),
+    OBSOLETE("obsolete");

     private final String name;