Cost of hosting Ray Cloud Browser during 1 month in AWS EC2

I got this question on Twitter: what has your bill totaled since you've started hosting ray viewer?

I guess ray viewer is just another name for Ray Cloud Browser ;-P.

For one month, I expect the costs to be at least 2.1915 $ (365.25/12*24*0.003) for my t1.micro spot instance and 6.4000 $ (64 * 0.10) for my 64 GiB Amazon EBS Standard volume. I/O requests are hard to predict, and I did run some I/O intensive workloads that were unrelated to Ray Cloud Browser during this period on my t1.micro instance. My resources are located in the availability zone us-east-1a.



Here the pricing history for t1.micro spot instances in the us-east-1a availability zone.


Figure 1: Pricing history for t1.micro spot instances in the us-east-1a availability zone. Data are from Amazon Web Services API. The vertical axis is a by-the-hour price.


Using the Cost Allocation Feature, I generated (with a home-baked Ruby script) a pivot table for my operation costs in the cloud during the month of February 2013.


Table 1: Cost Allocation report for the period 2013-02-01 to 2013-02-28.
Project=Ray-Cloud-Browser-public-demo
Product CodeUsage TypeUnitsUsage QuantityTotal Cost ($)
AWSDataTransferDataTransfer-In-Bytes GB 0E-80.0
AWSDataTransferDataTransfer-In-Bytes GB 0.333592590.0
AmazonEC2SpotUsage:t1.micro instance-hours 550.000000001.652045
AmazonEC2EBS:VolumeUsage GB-months 58.928572795.893582
AmazonEC2EBS:VolumeIOUsage I/O requests 66575670.000000006.656853
AWSDataTransferDataTransfer-Out-Bytes GB 0E-80.0
AWSDataTransferDataTransfer-Out-Bytes GB 0.540776560.0
AWSDataTransferDataTransfer-Out-Bytes GB 0E-80.0
AWSDataTransferDataTransfer-Out-Bytes GB 3.187172160.383951
AWSDataTransferDataTransfer-Regional-Bytes GB 0.000546717.3e-05



Total=14.586504000000001

Table 2: Cost Allocation report for the period 2013-03-01 to 2013-03-22.
Project=Ray-Cloud-Browser-public-demo
Product CodeUsage TypeUnitsUsage QuantityTotal Cost ($)
AWSDataTransferDataTransfer-Regional-Bytes GB 0.000500450.009971
AWSDataTransferDataTransfer-In-Bytes GB 5.562712020.0
AmazonEC2SpotUsage:t1.micro instance-hours 515.996150141.681617
AmazonEC2EBS:VolumeUsage GB-months 50.032259755.003363
AmazonEC2EBS:VolumeIOUsage I/O requests 135159802.2795121013.515314
AWSDataTransferDataTransfer-Out-Bytes GB 10.119280721.215252
AWSDataTransferDataTransfer-Out-Bytes GB 0.287974330.0



Total=21.425517

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