I have a Postgresql 9.1 dedicated server with 16 cores, 96GB RAM and RAID10 15K SCSI drives which is runing Centos 6.2 x64. This server is mainly used for inserting/updating large amounts of data via copy/insert/update commands, and seldom for running select queries.
Here are the relevant configuration parameters I changed:
My biggest concern are shared_buffers and effective_cache_size, should I increase shared_buffers and decrease effective_cache_size? I read that values above 10GB for shared_buffers give lower performance, than smaller amounts?
free is currently reporting (during the loading of data):