On Fri, Dec 10, 2010 at 11:05 AM, Arjen van der Meijden <acmmailing@xxxxxxxxxxxx> wrote: > > On 10-12-2010 18:57 Arjen van der Meijden wrote: >> >> Have a look here: http://www.anandtech.com/show/2829/21 >> The sequential writes-graphs consistently put several SSD's at twice the >> performance of the VelociRaptor 300GB 10k rpm disk and that's a test >> from over a year old, current SSD's have increased in performance, >> whereas I'm not so sure there was much improvement in platter based >> disks lately? > > Here's a more recent test: > http://www.anandtech.com/show/4020/ocz-vertex-plus-preview-introducing-the-indilinx-martini/3 > > That shows several consumer grade SSD's and a 600GB VelociRaptor, its 200+ > vs 140MB/sec. I'm not sure how recent 15k rpm sas disks would do, nor do I > know how recent server grade SSD's would behave. But if we assume similar > gains for both, its still in favor of SSD's :-) The latest Seagate Cheetahs (15k.7) can do 122 to 204 depending on what part of the drive you're writing to. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
