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
