In the Fusioninsight HD product, which statement about Kafka is incorrect?
The Fusioninsight HD cluster planned by a bank has 90 nodes. If three control nodes are planned, it is recommended to plan only one data node in the cluster.
Which of the following is not a mandatory option when creating a Loader job?
Which two roles are responsible for the active and standby status management of HDFS NameNode nodes and the merging of metadata files?