fix fsync behavior #6829
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fix fsync behavior #6829
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What problem are we solving?
d8c574a mistakenly treat fsync as the same sync write requests.
I was confused by the names: "fsync" and "syncWrite". "fsync" is actually implemented by "async writes", in order to amortize the cost to flush.
How are we solving the problem?
set fsync correctly
How is the PR tested?
Checks