PartitionManager: reduce number of partitions to improve stability

Change-Id: I972583c0ba397017b6bfa40f5ddf6f13253c6d45
diff --git a/core/store/dist/src/main/java/org/onosproject/store/intent/impl/PartitionManager.java b/core/store/dist/src/main/java/org/onosproject/store/intent/impl/PartitionManager.java
index 6e856bf..c130432 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/intent/impl/PartitionManager.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/intent/impl/PartitionManager.java
@@ -56,7 +56,7 @@
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected ClusterService clusterService;
 
-    private static final int NUM_PARTITIONS = 32;
+    private static final int NUM_PARTITIONS = 14;
     private static final int BACKOFF_TIME = 2;
     private static final int CHECK_PERIOD = 10;