Before activating YI-MapReduce, a variety of node choices are available. You can select the appropriate master and core node instances based on business needs. After launching the cluster, YI-MapReduce offers the following methods for configuration changes.
Configuration Upgrade: If the specifications (vCPU and memory) of your master or core node ECS instances fail to meet your business needs, you can enhance these ECS instance specifications through the feature of configuration upgrade. Please refer to Configuration Upgrade.