On Sat, Jan 25, 2014 at 12:02:59PM +0530, RAMAKRISHNAN KANDASAMY wrote: > Hi All, > > I have configured the blow parameters for a 32 GB server . I this correct ? > > shared_buffers = 6GB going over 2GB probably doesn't help > work_mem = 24MB maintenance_work_mem = 250MB work_mem depends a lot of your queries and the number of clients, but with 32GB RAM setting a default work_mem of 128MB would probably not hurt. Your maintenance_work_mem is too low, raise it to 2GB. > effective_cache_size = 16GB if it's a dedicated server you can raise it to 24GB > shared_preload_libraries = 'pg_stat_statements' pg_stat_statements.max = > 10000 pg_stat_statements.track = all > wal_buffers = 8MB > checkpoint_segments = 32 depends of your load, 10's reasonable for light loads. 50 or 100 isn't uncommon for heavier ones. Keep in mind that every increase of 30 will cost you 1 gigabyte of disk space in pg_xlog and an extra ~2-5 minutes (depends of your i/o) of recovery time after a crash. > checkpoint_completion_target = 0.9 > > It's considered as a bad habit to change the cost settings, but I often raise the default cpu_tuple_cost to 0.08 (instead of 0.01) too. > -- > --Regards > RAMAKRISHNAN KANDASAMY -- No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
