Hive does not check whether the data conforms to the schema when it is loaded. Hive follows the schema on read (read mode). Hive only checks and parses specific data fields and schemas when it is read.

Data is synchronized between partition replication in Kafka. It takes a thread (replicationFetcherThread) to replicate data from the leader of the partition to the follower. Follower (a follower is equivalent to a consumer) actively pulls messages from the leader in batches, which greatly improves throughput.

Regarding DataSet, which of the following statements is incorrect?

Regarding RDD, which of the following statements is wrong?

In Fusioninsight products, which of the following descriptions are correct regarding the creation of Kafka topics? (Multiple choice)