Auto Scaling (AS) is a service that automatically adjusts resources based on your service requirements and configured AS policies. You can specify AS configurations and policies based on service requirements. These configurations and policies free you from repeatedly adjusting resources to keep up with service changes and demand peaks, which helps you reduce the required resources and workforce.
A NodeManager is the resource and task manager of each node. On one hand, a NodeManager periodically reports to its associated ResourceManager regrading resource usage of the local node and the running status of each Container. On the other hand, a NodeManager receives and processes requests from its associated ApplicationMaster for starting or stopping Containers.
A NodeManager is the resource and task manager of each node. On one hand, a NodeManager periodically reports to its associated ResourceManager regrading resource usage of the local node and the running status of each Container. On the other hand, a NodeManager receives and processes requests from its associated ApplicationMaster for starting or stopping Containers.
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