On Tue, Nov 14, 2017 at 6:11 AM, Andres Freund <and...@anarazel.de> wrote: > Hm. I'm not really on-board with doing this in pg_upgrade. A more > logical place seems to be pg_resetwal or something - there's no need to > force a pg_upgrade cycle (which is pretty expensive on clusters with a > significant number of objects) for somebody that wants to change the > segment size of a cluster without changing the major version. > pg_resetwal or a new tool seems like a more appropriate places for this.
pg_upgrade makes use of pg_resetwal, so I am assuming that what Nathan means is actually what you mean, so as pg_upgrade gains as well an option with the segment size which will wrap the pg_resetwal's call. -- Michael