Arturas Mazeika wrote: > Hi Dave, > > Thanks for the info, this explains a lot. > > Yes, I am upgrading from the 32bit version to the 64bit one. > > We have pretty large databases (some over 1 trillion of rows, and some > containing large documents in blobs.) Giving a bit more memory than 4GB > limit to Postgres was what we were long longing for. Postgres was able > to handle large datasets (I suppose it uses something like long long > (64bit) data type in C++) and I hoped naively that Postgres would be > able to migrate from one version to the other without too much trouble. > > I tried to pg_dump one of the DBs with large documents. I failed with > out of memory error. I suppose it is rather hard to migrate in my case > :-( Any suggestions? > > Thanks, > arturas > > On 10/30/2010 7:33 PM, Dave Page wrote: > > upgrade from a 32bit 8.3 server to a 64 bit 9.0 server, which isn't > > going to work without a dump/restore. With pg_upgrade, the two builds > > need to be from the same platform, same word size, and have the same > > configuration for certain settings like integer_datetimes.
Can anyone suggest a way pg_upgrade could detect an upgrade from a 32-bit to 64-bit cpu and throw an error? -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs