> I wonder if it would be possible to jigger things so that we send the
> WAL to the standby as soon as it is generated, but somehow arrange
> things so that the standby knows the last location that the master has
> fsync'd and never applies beyond that point.
I can't think of any way which would not require major engineering. And
you'd be slowing down replication *in general* to deal with a fairly
unlikely corner case.
I think the panic is the way to go.
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com