Tom Lane wrote: > Michael Milligan <[EMAIL PROTECTED]> writes: >> Uh oh. This is a first (for me). I got this error on a transaction, it >> did not crash the server but did abort the transaction (of course). > >> ERROR: lock AccessShareLock on object 16385/16467/0 is already held > > Huh, that shouldn't happen. What object is that? The 16385 should be > a database OID, and the 16467 is most likely a table's OID within that > database. > >> What was I doing? A large transaction where I was pushing about 20 >> million rows into two tables using prepared transactions. I have been >> doing this for some time (over a year) on 8.2.6 without any problems. > >> I may be able to reproduce, but the transaction takes a long time to >> complete... about a day. I'm running it again now. > > I wonder if it's possible that you overflowed nLocks in the local lock > table. There are a lot of other things that likely would break first, > though, so that doesn't seem very probable. > > Is this transaction longer than any comparable one you ever did before?
For 8.3.3, yes. This is only the second such large transaction I've done on 8.3.3, the first one I did was around 6.7 million rows and it worked. And a correction, the transaction that caused this error was inserting 13.5 million rows and failed near the end. Regards, Mike -- Michael Milligan -> [EMAIL PROTECTED] -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs