Which nodes are required to communicate with external data sources before and after Fusioninsight HD Loader job?

A Key Value format in the HBasel data file HFiler contains Key; Value, TimeStamp, KeyType, etC.

Planning Fusionlnsight HD clusters, if customers have no performance requirements for functional testing, under the case of cost savings, they can deploy management nodes, control nodes, and data nodes in one. How many nodes are required at least?

Which of the following can the big data platform be applied to?Supervisionclass scene?

The ResourceManager adopts a high-availability solution. When the Active resourcemanager finds a fault, it can only start the standby resourcemanager through the built-in zookeeper and switch its state to active.