build postgres
install postgres
cd $pg_src/contrib/pgbench
make install
initdb $PG_DATA (eg /var/database)
configure postgres (config follows)
pg_ctl -D $PG_DATA start
createdb pgbench
pgbench -i pgbench (creates the pgbench data)
pgbench -c 2 -t 16384
# kablooie

__POSTGRES CONFIG__
port = 5432
tcpip_socket = true
hostname_lookup = false
show_source_port = false
ssl = false

max_connections = 4
shared_buffers = 98304
sort_mem = 16384
vacuum_mem = 8192

commit_delay = 10000            
commit_siblings = 64            
cpu_operator_cost = 0.1
cpu_tuple_cost = 0.002          

fsync = false
wal_buffers = 2048
max_fsm_pages = 1000000         
max_fsm_relations = 1000        
max_locks_per_transaction = 64  

stats_block_level = true
stats_command_string = false
stats_reset_on_server_start = true
stats_row_level = true
stats_start_collector = true
superuser_reserved_connections = 8