Re: postgresql random io test with 2 SSD Kingston V+100 500GB in (software) Raid1 - Mailing list pgsql-performance

From Laurent Laborde
Subject Re: postgresql random io test with 2 SSD Kingston V+100 500GB in (software) Raid1
Date
Msg-id BANLkTinR7W5atkCuhLpvPDUpJh=b5vvc3A@mail.gmail.com
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In response to Re: postgresql random io test with 2 SSD Kingston V+100 500GB in (software) Raid1  (Shaun Thomas <sthomas@peak6.com>)
List pgsql-performance
On Wed, Apr 20, 2011 at 5:40 PM, Shaun Thomas <sthomas@peak6.com> wrote:
> On 04/20/2011 09:01 AM, Laurent Laborde wrote:
>
>> A review of the V+100 on the excellent anandtech :
>> http://www.anandtech.com/show/4010/kingston-ssdnow-v-plus-100-review
>
> That's horrifying. 4.9MB/s random writes? 19.7MB/s random reads? That's at
> least an order of magnitude lower than other SSDs of that generation. I
> can't imagine that would be very good for database usage patterns by
> comparison. Especially with that aggressive garbage collection.
>
> I mean... an old Indilinx OCZ Vertex has better performance than that

We just orderer 2 Corsair C300 240GB to compare performance and see if
the difference is as huge as claimed on anandtech's benchmark :)

--
Laurent "ker2x" Laborde
Sysadmin & DBA at http://www.over-blog.com/

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