Steve Swanson

NAND SSD Performance to Decline over Time

Chart from the Grupp, Davis, Swanson paper showing latency increases with capacityA few articles at ComputerworldTom’s Hardware, and The Verge were recently passed my way.  These reported on a paper presented at last week’s USENIX conference that predicted how NAND flash’s future performance declines would impact tomorrow’s SSDs.

The paper found that SSD performance is likely to decrease over time as SSDs increase in capacity.  The report postulates that SSDs of the future: “may be too slow and unreliable to be competitive against disks of similar cost in enterprise applications.”

Sadly, the Tom’s Hardware and Verge articles focused more on one of the assumptions behind the paper Continue reading

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