Amazon, Google Spar Over SSDs In Cloud - InformationWeek

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Comments
Amazon, Google Spar Over SSDs In Cloud
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PaulS681
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PaulS681,
 User Rank: Ninja
6/18/2014 | 7:31:10 PM
Re: Less power, more perfomance
@Charlie... I thought SSDs were getting better with that impending failure issue. How long would you expect an SSD to last in this environment?

If you had Raid 1 setup with a HDD as the 2nd drive the SSD could fail and you wouldn't lose any data however I imagine with the data needing to write to both disks it would affect performance.
Charlie Babcock
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Charlie Babcock,
 User Rank: Author
6/18/2014 | 11:43:56 AM
Less power, more perfomance
That's right, Lorna. They take a fraction of the electricity to run, yes, but more imnportantly, they make the virtual CPU and all other components of a cloud server perform more efficiently. There are few idle CPU cycles with data moving into memory off of SSDs at the speed of light. The cloud, however, willl have to learn how to moinitor them closely for impending failure after a certain number of writes. 
Lorna Garey
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Lorna Garey,
 User Rank: Author
6/18/2014 | 11:21:29 AM
Offsetting savings?
SSDs may cost more upfront, but they're significantly less expensive to run (electricity, cooling) correct? I wonder how much that offsets the AWS price cut. 


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