Shane | SkinnyCorp wrote:> # PGSQL Version 7.4.2
Upgrade to 7.4.5
> #---------------------------------------------------------------------------> # RESOURCE USAGE (except WAL)>>
#---------------------------------------------------------------------------> # - Memory -> shared_buffers = 8192>
sort_mem= 8192> vacuum_mem = 127072
Here vacuum_mem is too high, memory wasted, if you do
regular vacuum or you use the autovacuum daemon then
usualy 32MB are enough
> # - Free Space Map -> max_fsm_pages = 50000 # min max_fsm_relations*16, 6 bytes each> max_fsm_relations
=1000 # min 100, ~50 bytes each
you didn't show us the result of
vacuum full verbose
so I can not tell you if they are enough or not.
> enable_seqscan = false
enable_seqscan = true
Do you think that an index scan is always worst then a seqscan ?
> random_page_cost = 4 # units are one sequential page fetch cost
decrease this value to 2.5
> # - Query/Index Statistics Collector ->> stats_start_collector = false> stats_command_string = false>
stats_block_level= false> stats_row_level = false> stats_reset_on_server_start = false
I suggest you to start the collectors
stats_start_collector = true
stats_command_string = true
stats_block_level = true
stats_row_level = true
stats_reset_on_server_start = false
Regards
Gaetano Mendola
