You're designing a memory management system for a multi-user operating system. How would you ensure fair allocation of memory resources among different processes?
- Allocate memory based on historical usage patterns, giving more memory to processes that have used less memory recently.
- Implement a priority-based memory allocation strategy where processes with higher priority levels are allocated more memory resources.
- Implement a proportional share-based memory allocation scheme, where each process is allocated memory based on a predefined percentage of the total available memory.
- Use a round-robin approach to allocate memory, ensuring each process gets an equal share of available memory.
In a multi-user operating system, a proportional share-based memory allocation scheme is preferred as it ensures fair allocation of memory resources based on the needs of each process. This scheme is beneficial because it allows processes with varying memory requirements to coexist efficiently, preventing resource starvation or monopolization by any single process. By allocating memory based on a predefined percentage of the total available memory, the system can adapt dynamically to changes in workload and ensure equitable resource distribution. This approach promotes fairness and helps maintain system stability and performance.
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