09新书The Datacenter as a Computer

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The Datacenter as a Computer
An Introduction to the Design of
Warehouse-Scale Machines
Luiz André Barroso and Urs Hölzle
Google Inc.

Abst ract
As computation continues to move into the cloud, the computing platform of interest no longer resembles
a pizza box or a refrigerator, but a warehouse full of computers. These new large datacenters
are quite different from traditional hosting facilities of earlier times and cannot be viewed simply
as a collection of co-located servers. Large portions of the hardware and software resources in these
facilities must work in concert to efficiently deliver good levels of Internet service performance,
something that can only be achieved by a holistic approach to their design and deployment. In other
words, we must treat the datacenter itself as one massive warehouse-scale computer (WSC). We
describe the architecture of WSCs, the main factors influencing their design, operation, and cost
structure, and the characteristics of their software base. We hope it will be useful to architects and
programmers of today’s WSCs, as well as those of future many-core platforms which may one day
implement the equivalent of today’s WSCs on a single board.

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