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What does a lower vm.swappiness value indicate in a memory management context?

Less inclination to use swap space

A lower vm.swappiness value indicates less inclination to use swap space. In Linux-based systems, the swappiness parameter controls the balance between RAM and swap space usage. When this value is low, the system is more likely to keep active processes in physical memory (RAM) rather than swapping them out to disk. This can lead to improved performance for applications that require frequent memory access, as accessing RAM is significantly faster than accessing data that has been swapped to a disk.

Conversely, a higher swappiness value would lead the system to favor using swap space more aggressively, which can be detrimental to performance, especially for memory-intensive applications. By setting a lower swappiness value, system administrators can optimize performance for workloads that benefit from retaining data in physical memory rather than swapping it out.

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More frequent use of swap space

No relationship with memory

Stronger reliance on physical memory

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