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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. That's not true, you can tell in many ways but
by formerly_proven 5y ago
> The modern linux kernel doesn't actually write to disk when fsync is called. It buffers the writes in a cache.
That's not true, you can tell in many ways but one of the easiest is because fsync is quite slow and noisy (on hard drives).