A.MapReduce

B.Memory

C.Hadoop

D.HDFS

A.Periodically send the name node a list of the blocks it stores.

B.Store and retrieve data according to the scheduling of the client or the name node

C.Records all operations on file creation, deletion, renaming, etc.

D.Responsible for data storage and reading

A.True

B.False

A.Each Partition corresponds to a log file at the storage level

B.The number of Partitions determines the maximum number of concurrent consumers in each consumer group

C.Each Partition is an ordered and immutable message queue

D.Introduce the Partition mechanism to ensure the high throughput of Kafka

A.False

B.True