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by bremac
1826 days ago
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> The modern linux kernel doesn't actually write to disk when fsync is called. It buffers the writes in a cache. Do you have a reference for this? That would break every ACID database that I'm aware of, including sqlite and postgresql. There has been a lot of work in the last few years to fix data durability issues with fsync (e.g. https://lwn.net/Articles/752063/), so I would be very surprised to hear that fsync is now a no-op. |
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