WIFI-3216 using 0 rather than currentMillis()

opensync-ext-cloud/src/main/java/com/telecominfraproject/wlan/opensync/external/integration/utils/MqttStatsPublisher.java

@@ -208,8 +208,11 @@ public class MqttStatsPublisher implements StatsPublisherInterface {
 
             if (!metricRecordList.isEmpty()) {
                 long serviceMetricTimestamp = System.currentTimeMillis();
-                metricRecordList.stream().forEach(smr -> {              
-                    smr.setCreatedTimestamp(serviceMetricTimestamp);
+                metricRecordList.stream().forEach(smr -> {  
+                	// TODO use serviceMetricTimestamp rather than 0. This is done for now since there are some
+                	// channel metrics that have overlapping keys which messes up Cassandra if the same time stamp is used
+                	// and setting it to 0 allows the CloudEventDispatcherController to assign unique time stamps. 
+                    smr.setCreatedTimestamp(0);
                     if (smr.getLocationId() == 0)
                         smr.setLocationId(locationId);
                     if (smr.getCustomerId() == 0)