Amazon EC2 的 RI 降價

這次 Amazon EC2 主要降的是 Reserved Instances 的部份:「EC2 Price Reductions – Reserved Instances & M4 Instances」。

  • New No Upfront Payment Option for 3 Year Standard RIs
  • Lower Prices for No Upfront Reserved Instances
  • Lower Prices for Convertible Reserved Instances

另外一般性的降價以 m4 為主:「Lower Prices for M4 Instances」,如果拿 t2.large 跟 m4.large 比較,us-west-2 (Oregon) 的價錢就很微妙了:

t2.large	2	Variable	8	EBS Only	$0.094 per Hour
m4.large	2	6.5		8	EBS Only	$0.1 per Hour

如果是 ap-northeast-1 (Tokyo) 的話是:

t2.large	2	Variable	8	EBS Only	$0.128 per Hour
m4.large	2	6.5		8	EBS Only	$0.129 per Hour

雖然 AWS 官方的說法是這樣 (取自「AWS t2 burst mode ECU equivalence」),表示 t2 系列有他特別可以應用的地方,但還是有哪邊覺得很微妙...:

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