On Wed, Jan 22, 2025 at 11:21:03AM -0500, Andres Freund wrote:
> fsync(open(oldname1));
> fsync(open(oldname2));
> ..
> fsync(open(oldnameN));
>
> rename(oldname1, newname1);
> rename(oldname2, newname2);
> ..
> rename(oldnameN, newnameN);
>
> fsync(open(newname1));
> fsync(open(newname2));
> ..
> fsync(open(newnameN));
>
> fsync(open("pg_wal"));
What is the purpose of syncing the file before the rename?
--
nathan