Re: Completely un-tuned Postgresql benchmark results: SSD vs desktop HDD

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On Aug 11, 2010, at 9:30 PM, Greg Smith wrote:

> Scott Carey wrote:
>> What is the likelihood that your RAID card fails, or that the battery that reported 'good health' only lasts 5 minutes and you lose data before power is restored?   What is the likelihood of human error?
>> 
> 
> These are all things that happen sometimes, sure.  The problem with the 
> cheap SSDs is that they happen downright often if you actually test for 
> it.  If someone is aware of the risk and makes an informed decision, 
> fine.  But most of the time I see articles like the one that started 
> this thread that are oblivious to the issue, and that's really bad.
> 

Agreed.  There is a HUGE gap between "ooh ssd's are fast, look!" and engineering a solution that uses them properly with all their strengths and faults.  And as 'gnuoytr' points out, there is a big difference between an Intel SSD and say, this thing: http://www.nimbusdata.com/products/s-class_overview.html 

> -- 
> Greg Smith  2ndQuadrant US  Baltimore, MD
> PostgreSQL Training, Services and Support
> greg@xxxxxxxxxxxxxxx   www.2ndQuadrant.us
> 


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