>> Another thing worth considering is to have pg_upgrade init, stop and >> start clusters as necessary instead of requesting the user to do it. >> I think this is two less steps. > > Then you'd need to expose the entire pg_ctl shutdown mode logic through > pg_upgrade, which might not make things simpler.
What about having single user mode talk fe/be protocol, and talk to it via a UNIX pipe, with pg_upgrade starting the single user backend as a subprocess? -- dim - Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
