Upgrade SDC to use common cassandra cluster

Issue-ID: SDC-2199
Change-Id: I139f38f3f3d968b775c9962bfe3ad6d13ea7f678
Signed-off-by: Mahendra Raghuwanshi <mahendra.raghuwanshi@amdocs.com>
diff --git a/sdc-os-chef/environments/Template.json b/sdc-os-chef/environments/Template.json
index 3fee2a2..c5f64f0 100644
--- a/sdc-os-chef/environments/Template.json
+++ b/sdc-os-chef/environments/Template.json
@@ -88,7 +88,8 @@
             "commitlog_dir": "/var/lib/cassandra/commitlog",
             "socket_read_timeout": "20000",
             "socket_connect_timeout": "20000",
-            "titan_connection_timeout": "10000"
+            "titan_connection_timeout": "10000",
+            "replication_factor": "1"
         }
     }
 }