On the Fusionlnsight Manager interface, when the kafka disk capacity insufficient alarm is received, and the cause of the read alarm has been eliminated from the disk hardware failure, the system administrator needs to consider expanding the capacity to solve the problem. )

Which of the following statements about segment file in Kafka Logs is correct?

What data will Fusioninsight Manager regularly back up?

In the Flink technical architecture, ______ is the calculation engine for stream processing and batch processing.

In the Output stage, Structured Streaming can define different data writing methods, including which of the following methods?