Which of the following descriptions about Fusioninsight CTBase is wrong?

Synchronize data between partition replication in Kafka. Copying data from the leader of the partition to the follower requires a thread (replicationFetcherThread), and the follower (a follower is equivalent to a consumer) actively pulls messages from the leader in batches, which greatly improves the throughput.

The shards index fragmentation of ElasticSearch can break up and distribute index data to different nodes.

In Fusioninsight HD, which of the following is not a Hive flow control feature? (Multiple choice)

Flink is a computing framework combining batch processing and stream processing. Its core is a stream data processing engine for data classification and parallel computing.