> The SSD lookup is measured in microseconds. The memory lookup for the mapping ... | Hacker News

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		wtallis on Sept 5, 2019 \| parent \| context \| favorite \| on: Samsung Announces Key-Value SSD Prototype > The SSD lookup is measured in microseconds. The memory lookup for the mapping to blkid is measured in nanoseconds. Some people care about write performance, too.

gitgudnubs on Sept 9, 2019 [–]

It's the same in both cases.

You write a dirty mapping in memory. You persist the value, and you persist the mapping. Then you flip the dirty bit.

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