Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > Tom Lane wrote:
> >> Huh? Why would that be? Seems like you've done something in the wrong
> >> place if that's an issue.
>
> > Yeah, it is complicated. I don't really care if autovacuum runs on the
> > old cluster (we only move the files while the server is down). We only
> > want autovacuum not to mess with the relfrozenxids we set on the new
> > cluster while the table file is empty.
>
> > The other issue is that the old alpha binary will not know about the -b
> > flag and hence will not start.
>
> Well, once again, why are you trying to do that? It's not the source
> postmaster that needs this flag.
Well, consider that this also locks out non-super users so I figured it
would be good to run the old and new in the same binary upgrade mode.
Again, we can do just the new cluster for 9.1. I can also control the
behavior based on the catalog version number, which seems the most
logical.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +