To wit:
[jberkus(at)pgx-test prepare]$ pgbench -c 4 -C -T 180 -l -r -M prepared bench
starting vacuum...end.
Client 1 aborted in state 7: ERROR: prepared statement "P0_7" does not
exist
Client 0 aborted in state 7: ERROR: prepared statement "P0_7" does not
exist
Client 3 aborted in state 7: ERROR: prepared statement "P0_7" does not
exist
Client 2 aborted in state 7: ERROR: prepared statement "P0_7" does not
exist
transaction type: TPC-B (sort of)
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com