Re: PLEASE GOD HELP US!

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