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
---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
