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I'm not sure if it's safe to have virtual memory (pagefile.sys) in servers?

Safe in the sense of: Would it affect the data in the cache that is being handled by RAM? Does it conflict if it will be called?

Specs: Server - Lenovo System x3250 M6 Rack Server RAID - 1 Physical Memory: 32Gb

Would really appreciate everyone's input. Thank you!

Alan
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2 Answers2

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It is perfectly OK to have virtual memory in a server. Ideally the pagefile size should be approximately 1.5 times the size of RAM.

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I'm not sure if it's safe to have virtual memory (pagefile.sys) in servers?

It absolutely is. Even better, it is highly recommended to employ some reasonable sized swapping space.

Would it affect the data in the cache that is being handled by RAM?

The is no such thing as "the cache"; usually you have L1/L2/L3 Cache, a filesystem cache, storage cache, cached libraries and much more.

Calling conflicts in a filesystem cache (usually resides in RAM), as I understand you are asking for, are almost impossible. The kernel (of modern operatin systems) redirects logical calls to the "right" physical objects, as he is the one asked about anyway. I am positive that you don't have to worry about this in almost any ususual use cases.

bjoster
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