public Set<String> getTopicSubInfo(String topic) {
        return topicSubInfoMap.get(topic);
    }
Get groups according to topic

@param topic  query topic
@return  query result
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/master/nodemanage/nodebroker/TopicPSInfoManager.java