Den 11/12/2012 kl. 14.29 skrev Craig Ringer <craig@xxxxxxxxxxxxxxx>: > On 12/11/2012 06:04 PM, Niels Kristian Schjødt wrote: >> >> Maybe I should mention, that I never see more than max 5Gb out of my total 32Gb being in use on the server… Can I somehow utilize more of it? > For an update-mostly workload it probably won't do you tons of good so > long as all your indexes fit in RAM. You're clearly severely > bottlenecked on disk I/O not RAM. >> The SSD's I use a are 240Gb each which will grow too small within a >> few months - so - how does moving the whole data dir onto four of >> those in a RAID5 array sound? > > Not RAID 5! > > Use a RAID10 of four or six SSDs. > > -- > Craig Ringer http://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Training & Services > Hehe got it - did you have a look at the SSD's I am considering building it of? http://ark.intel.com/products/66250/Intel-SSD-520-Series-240GB-2_5in-SATA-6Gbs-25nm-MLC Are they suitable do you think? -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
