On Mon, Feb 06, 2012 at 05:14:55PM -0500, deepak wrote: > Hi! > > While running pg_upgrade, on one instance, it ran out of memory during the > final stages of upgrade > (just before it starts to "link" old database files to new ones). > > > We are using Postgres 9.1.1, and I see that there were some fixes to pg_upgrade > in 9.1.2, though > it doesn't mention anything about memory issues as such. > > Wondering if anyone has run into a similar type of situation, and if so, how to > solve it? > > Also, is it possible to recover the database once pg_upgrade aborts in this > manner? > > > Here's an excerpt from the log while running pg_upgrade: > ... > "bin/pg_ctl" -w -D "data" stop > waiting for server to shut down....LOG: received smart shutdown request > LOG: shutting down > .......LOG: database system is shut down > . done > server stopped > Restoring user relation files > Restoring user relation files > pg_upgrade: out of memory > > pg_upgrade: out of memory Wow, that's pretty amazing. As the docs say, pg_upgrade doesn't modify the old cluster so you should be fine in reverting to that. As far as why it ran out of memory, I have no idea, and have never heard of a report about that before. Can you run it in a debugger and get a backtrace? -- Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general