Re: Hardware recommendations - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: Hardware recommendations
Date
Msg-id AANLkTimAQ5CUVdL0VqSpKwVe7a-keYQoSius=yGajS6c@mail.gmail.com
Whole thread Raw
In response to Re: Hardware recommendations  (Arjen van der Meijden <acmmailing@tweakers.net>)
List pgsql-performance
On Fri, Dec 10, 2010 at 11:05 AM, Arjen van der Meijden
<acmmailing@tweakers.net> 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.

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