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And How to Avoid Them

Flash storage is generally much faster than hard disk drives (HDD). It has much lower latency, much greater write IOPS, throughput, and read IOPS. However, there are several flash issues such as steady-state performance, write amplification, wear life, and electron leakage caused high bit error rates that can sabotage the performance gains and overwhelm the budget. These issues (and several others as well) are rarely discussed, except after the fact when performance is no longer meeting requirements. This white paper examines these issues in detail looking at how they specifically affect databases and the structured applications that depend on those databases.


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