hi all we have ambari cluster version 2.6.1 and HDP version - 2.6.4 while kafka installed on 3 physical machines we have a strange problem we update the kafka configuration , and after update kafka required restart so we start to restart the kafka ( restart from ambari gui ) , but actually kafka progress not start or start as 15% from progress from server.log ( under /var/kafka/log ) we not see errors and actually we not see progress we try also to restart the ambari agent on all kafka , and restart the kafka again but this action not help and kafka failed to restart after 30 min kafka brokers are up but does not react to restart action from ambari any suggestion what could be the reason for this strange behaver ... View more