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SayWatt
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Post subject: The simplest approach to saving IT energy costs
 Posted: Jul 01, 2008 - 01:46 CST
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Site Admin
Joined: Apr 18, 2005
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Using electricity is bad for budgets, bad for the planet, and arguably bad for national security as well. So IT organizations have a great desire to reduce energy usage.
There are three basic ways to save energy in IT:
1. Consolidate work from underused computers onto fuller ones (and then turn off the under-used ones).
2. Move work from inefficient computers to efficient ones.
3. Design your data center carefully (architecture, layout, equipment choice, geographical location, and so on).
Based on that, there are three areas of particularly low-hanging fruit most enterprises should pursue immediately, namely:
Virtualization. Virtualization helps both with consolidating under-used machines and throwing out full but inefficient ones.
E-mail outsourcing. Google runs its data centers much more cheaply and “greenly” than you do.
Specialized data warehouse technology (appliance or otherwise). Let me expand on that last one a bit.
3-10X+ performance improvements are not uncommon if you move your data warehouse from Oracle or SQL Server to Teradata, Netezza, Vertica, Sybase IQ, or some other data warehousing specialist. 2-5X+ reductions in database size are also common, for two reasons: First, the specialists have simpler indexing schemes than are required if you want good warehouse performance from an OLTP DBMS. Second, they often are better at data compression.
And if you use a lot less hardware -- processors and disks alike -- you'll also use a lot less power.
http://www.networkworld.com/community/node/29468 |
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