>>>>> "Amit" == Amit Kapila <amit.kapila16@gmail.com> writes:
Amit> All of these seems to run with fsync=off. Is it possible that
Amit> vacuum has updated FSM, but the same is not synced to disk and
Amit> when we try to read it, we didn't get the required page?
No.
fsync never affects what programs see while the system is running, only
what happens after an OS crash.
--
Andrew (irc:RhodiumToad)