Giles Lean <giles(at)nemeton(dot)com(dot)au> writes:
> Is there some reason that file locking is not acceptable? Is there
> any platform or filesystem supported for use with PostgreSQL which
> doesn't have working exclusive file locking?
How would we know? We have never tried to use such a feature.
For sure I would not trust it on an NFS filesystem. (Although we
disparage running an NFS-mounted database, people do it anyway.)
regards, tom lane