Yeah but you can pin important pages in RAM with mlock family of syscalls and fr... | Hacker News

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		jitl 88 days ago \| parent \| context \| favorite \| on: I built Foyer: a Rust hybrid cache that slashes S3... Yeah but you can pin important pages in RAM with mlock family of syscalls and friends like move_pages for explicit page management. This is what materialize does as far as I understand it.

rockwotj 81 days ago [–]

That seems to be contradictory, as they talk about using it to spill to disk in a simpler way. You can’t swap with mlock?

rockwotj 77 days ago | [–]

Also move_pages is about numa nodes not spilling to swap

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