A.After Kafka is installed, the sensitive data storage directory cannot be configured.

B.When the Producer of Kafkal sends a message, it can specify which Consumer consumes the message

C.When creating a topic, the number of replicas must not be greater than the number of currently surviving Broker instances, otherwise the topic creation will fail

D.Kafka will store metadata information in Zookeeper for

A.FALSE

B.TRUE

A.Minor trigger frequency is higher than Major

B.There are two types of Minor and Major

C.Compation reduces the number of HFile files by merging files
CCompation reduces the number of HFile files by eliminating expired data files

A.saveAsTextFile

B.filter

C.map

D.reduceByKey

A.True

B.False