Reprints from my posting to SAN-Tech Mailing List and ...


[san-tech][03325] Googleは 900,000サーバと推定 (Re: "Growth in data center electricity use 2005 to 2010",..., August 1, 2011)

Date: Wed, 03 Aug 2011 21:09:54 +0900
[san-tech][03324] "Growth in data center electricity use 2005 to 2010", 
Jonathan G. Koomey, Ph.D., August 1, 2011
  Date: Wed, 03 Aug 2011 18:25:29 +0900
よく調べたら、このレポートが以下の記事等の、Googleが 900.000台のサーバを

"Report: Google Uses About 900,000 Servers"
 August 1st, 2011, Data Center Knowledge

"A sneak peek into Google’s servers and energy efficiency"
 Aug. 1, 2011, GigaOM

  "A report from data center energy expert Jonathan Koomey, published
   on Monday morning, gave a rare glimpse into some educated estimates
   for how many servers and how much electricity Google uses, and how
   energy-efficient those custom servers are."


"Table 4: Educated guesswork about electricity used by Google's servers"
 (Page 23)

で、2000年、2005年、2010年の各種情報 (サーバ台数、各種機器の BkWh等) を

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