Re: Do I have a hardware or a software problem?

Den 11/12/2012 kl. 14.29 skrev Craig Ringer <craig(at)2ndQuadrant(dot)com>:

> 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?