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Computer Science UNIVERSITY OF TORONTO
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Operational Characteristics of SSDs in Enterprise Storage Systems - A Large-Scale Field Study
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- 1 Computer Science UNIVERSITY OF TORONTO
- 2 Research Questions • Performance and lifespan of SSDs are affected by operational characteristics.
- 3 Systems Description . We focus on NetApp's enterprise storage systems
- 4 What are NAND Usage Rates in the field?
- 5 Write Amplification Factors (WAF) SSDs internally perform housekeeping tasks (garbage collection, wear levelling, etc.) resulting in Write Amplification
- 6 Write Amplification Factors (WAF) in production?
- 7 Which factors impact WAF? . Several factors can affect an SSD's write amplification.
- 8 Enterprise storage systems versus data centers
