Comments (1)
rogercloud
commented on June 11, 2024
According to https://en.wikipedia.org/wiki/Journaling_file_system jornaling in FS is used to recover it while a crash happens. The root questions I think are
- Should we commit write completion to the end user while it's still in the memory?
- If we commit a write completion after writing through, what's perf advantage of this mem system?
- If we commit a write completion without writing throuth, what's the recover process when a crash happens?
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