private static void WriteTopicPartitionAssignment(
            ZkClient zkClient, string topic, Dictionary <int, List <int> > replicaAssignment, bool update)
        {
            var zkPath           = ZkUtils.GetTopicPath(topic);
            var jsonPartitonData =
                ZkUtils.ReplicaAssignmentZkData(replicaAssignment.ToDictionary(x => x.Key.ToString(), v => v.Value));

            if (!update)
            {
                Logger.InfoFormat("Topic creation: {0}", jsonPartitonData);
                ZkUtils.CreatePersistentPath(zkClient, zkPath, jsonPartitonData);
            }
            else
            {
                Logger.InfoFormat("Topic update {0}" + jsonPartitonData);
                ZkUtils.UpdatePersistentPath(zkClient, zkPath, jsonPartitonData);
            }

            Logger.DebugFormat("Updated path {0} with {1} for replica assignment", zkPath, jsonPartitonData);
        }