postgres@host2:/u1/backup$ pg_dump --clean base > 20110205.sql
pg_dump: WARNING:  out of shared memory
pg_dump: SQL command failed
pg_dump: Error message from server: ERROR:  out of shared memory
HINT:  You might need to increase max_locks_per_transaction.
pg_dump: The command was: SELECT sequence_name, last_value, increment_by, CASE WHEN increment_by > 0 AND max_value = 9223372036854775807 THEN NULL      WHEN increment_by < 0 AND max_value = -1 THEN NULL      ELSE max_value END AS max_value, CASE WHEN increment_by > 0 AND min_value = 1 THEN NULL      WHEN increment_by < 0 AND min_value = -9223372036854775807 THEN NULL      ELSE min_value END AS min_value, cache_value, is_cycled, is_called from uid_54767_seq