Servers’ hard disk access times have not kept up with the increasing speed of their CPUs, and the resulting lags can be a limiting factor in some database and caching applications, particularly those involving software as a service and cloud computing. As these applications become even more popular, the bottleneck is likely to get worse, analysts predict. And the database appliances designed to target the problem, which have been on the market for years, remain expensive.
Forecast: Enterprise SSD shipments
Source: Gartner Inc.
Enterprise HDDs vs. Enterprise SSDs
(units in millions)
The seven-year compound annual growth rate is projected to be 4.8% for hard-disk drives and 154.8% for solid-state drives.