Why not though, from what I can see from the docs, these databases supposed to b... | Hacker News

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		madushan1000 3 months ago \| parent \| context \| favorite \| on: Show HN: Lingo – A linguistic database in Rust wit... Why not though, from what I can see from the docs, these databases supposed to be static and read only. At least when you use it on a device.

0xdeafbeef 3 months ago [–]

Page cache reclamation is mostly single threaded. It's much simpler, than you can create in a user space, it has no weight for specific pages etc.

Traveling into kernel flushes branch predictor caches, tlb. So it's not free at all.

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