Hi Bruce,
Thank you. We may stick with fdatasync for now.
Thanks and regards,
Nikhil
On Tue, Jun 30, 2020 at 8:54 PM Bruce Momjian <bruce@xxxxxxxxxx> wrote:
On Tue, Jun 30, 2020 at 10:32:13AM +0530, Nikhil Shetty wrote:
> Hi Bruce,
>
> Based on pg_test_fsync results, should we choose open_datasync or fdatasync as
> wal_sync_method? Can we rely on pg_test_fsync for choosing the best
I would just pick the fastest method, but if the method is _too_ fast,
it might mean that it isn't actually writing to durable storage.
> wal_sync_method or is there any other way?
pg_test_fsync is the only way I know of, which is why I wrote it.
--
Bruce Momjian <bruce@xxxxxxxxxx> https://momjian.us
EnterpriseDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee
