Still Have RISC? Consider x86
IBM, HP, and Sun might not like the profit margins in the commodity x86 server business, but powered by ever more powerful chips, this class of servers has steadily moved up into the data-processing big leagues.
x86 systems now account for 95% of server unit shipments. Data warehousing and analytic workloads, for instance, are now completely dominated by x86, with companies scaling out on dozens, scores, or even hundreds of inexpensive servers, rather than scaling up on pricey RISC-based boxes.
High-end transaction processing is still a relatively safe haven for proprietary RISC-based servers, but top-of-the-line x86 servers and emerging NoSQL options like Cassandra are showing the way toward powerful and highly available commodity-server deployments for mission-critical and data-intensive transaction processing.
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