On Thu, Jan 22, 2009 at 10:52 PM, Ibrahim Harrani <ibrahim.harrani@xxxxxxxxx> wrote: > Hi Craig, > > Here is the result. It seems that disk write is terrible!. > > root@myserver /usr]# time (dd if=/dev/zero of=bigfile bs=8192 > count=1000000; sync) > > > 1000000+0 records in > 1000000+0 records out > 8192000000 bytes transferred in 945.343806 secs (8665630 bytes/sec) That's pretty horrific. Can you try your disks without the motherboard RAID controller in the way either singly or using software RAID? -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
