Workload Management System for Under-Utilized Resource Energy Conservation
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Solution Overview
Problem
Computer systems with under-utilized resources consume energy and generate heat, leading to unnecessary power consumption and cooling requirements, as idle resources are always powered on to ensure rapid availability for sudden workload surges.
Innovation Solution
A Workload Management System (WLMS) is implemented to manage under-utilized resources by assigning them to free resource pools, where resources are deactivated and placed in power-saving modes based on user-defined policies and operating parameters, optimizing resource allocation and reducing energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If idle resources are kept powered on, then rapid availability for workload surges is ensured, but energy consumption and heat generation increase
Solution Approach 1:
The system dynamically adjusts resource power states based on real-time workload conditions. Resources are transitioned between powered-on and powered-off states according to demand, enabling the system to adapt its energy consumption profile to actual operational needs while maintaining service availability.
Solution Approach 2:
The system maintains resource availability through preliminary allocation and rapid activation capabilities. By pre-configuring resources and enabling quick power-on sequences when needed, the system ensures that resources can become operational almost immediately after being powered off, thus maintaining reliability while reducing steady-state energy consumption.
2Use of energy by moving object
If idle resources are deactivated to save energy, then energy consumption is reduced, but resource availability for sudden workload increases is compromised
Solution Approach 1:
The system performs preliminary configuration and initialization of resources while in powered-off state, maintaining their readiness for rapid activation. This preliminary preparation enables resources to transition quickly from powered-off to operational state when workload demands increase, thus achieving both energy savings and fast activation speed.
Solution Approach 2:
The system implements dynamic resource management that adjusts power states based on workload patterns. By monitoring system demand in real-time, the system can rapidly activate resources when needed, optimizing the balance between energy consumption and activation speed according to actual operational requirements.
3Reliability
If multiple resources are maintained in standby mode, then service continuity is ensured, but heat generation and cooling requirements increase
Solution Approach 1:
The system implements periodic monitoring and dynamic adjustment of resource power states. By continuously assessing workload demands and transitioning resources between active and powered-off states, the system maintains service continuity through periodic resource activation while minimizing continuous heat generation from constantly powered resources.
Solution Approach 2:
The system dynamically adjusts the number of powered resources based on actual workload requirements. By maintaining only the necessary number of active resources and transitioning others to powered-off state, the system ensures service continuity through flexible resource allocation while significantly reducing heat generation and associated cooling requirements.
Data Source
AI summary
A method, and a corresponding system, for managing under-utilized resources in a computer system includes the steps of monitoring performance of workloads executing on the computer system, where the workloads consume resources, determining resource demand and utilization by the workloads, comparing the workload performance to user-defined performance targets and resource utilization by the workloads to user-defined utilization targets, using the comparison results, determining if one or more resources may be assigned to a free resource pool, and assigning the determined resources to the free resource pool.