這是由外界專家去推敲出來的
實際情況是商業機密 大概也只有google公司還有承包商知道
http://www.tnl.net/blog/entry/How_many_Google_machines
That means that, on the low end, the Google cluster has the following stats:
359 racks
31,654 machines
63,184 CPUs
126,368 Ghz of processing power
63,184 Gb of RAM
2,527 Tb of Hard Drive space
In the middle range of my estimates, the cluster would have:
719 racks
63,272 machines
126,544 CPUs
253,088 Ghz of processing power
126,544 Gb of RAM
5,062 Tb of Hard Drive space
And on the high end of my estimates:
899 racks
79,112 machines
158,224 CPUs
316,448 Ghz of processing power
158,224 Gb of RAM
6,180 Tb of Hard Drive space
硬碟好大的容量喔
以上這是2004年的推估
現在的google服務加上了gmail和林林總總一堆
總硬碟空間應該有超過 1PB了
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