AWS Cost Estimation: Details
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WHETSTONE OPEN EDX AWS COST ESTIMATION TEMPLATE
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1. EC2
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NameInstanceDescriptionSpecsCount1 Year Contract - No Upfront1 Year Contract - Partial UpfrontOn Demand
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RamCPUIOHourly CostMonthly CostHourly CostMonthly CostHourly CostMonthly Cost
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$/hr$/mo$/hr$/mo$/hr$/mo
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Open edXM4.XLargeBase edx Platform Cluster164High2$0.16$236.16$0.14$201.60$0.24$344.16
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QueuesM4.XLargeRedis, RabbitMQ, xQueue Instance164High1$0.16$118.08$0.14$100.80$0.24$172.08
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MongoDBM4.2XLargeMongoDB Cluster328High1$0.33$236.88$0.28$203.04$0.48$344.88
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MySQLM4.2XLargeMySQL Cluster328High1$0.33$236.88$0.28$203.04$0.48$344.88
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Insights (Analytics)M4.XLarge
Hadoop Cluster ( depending upon usage --> resize )
164High1$0.16$118.08$0.14$100.80$0.24$172.08
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Total Cost in USD / month$946.08$809.28$1,378.08
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2. Storage ( EBS )
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NameInstanceTypeCountSSD SizeIO OpsCost in GB/MonthTotal Cost in USD/ Month
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Open edXEBSGeneral Purpose SSD2100GB150$0.1 GB/Month20
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QueuesEBSGeneral Purpose SSD1100GB15010
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DatabasesEBSGeneral Purpose SSD2500GB1500100
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Total Cost in US / month130 USD / Month
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3. Loadbalancer ELB
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NameForCost per ELBCost of data processedData Processed in GB Total Cost
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ELBOpen edX app18.3 USD / month0.008 USD per GB/MonthX GB18.3 + (0.008 * X) USD
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4. Bandwidth
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Data InData OutCost per 1 GB/month for Data InCost per 1 GB/month for Data outTotal Cost
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X GBY GB0.09
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5. S3 (Standard Storage)
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TypeStorageData TransferCost of Storage - GB/monthCost of data transfer GB/monthTotal Cost
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StandardX GBY GB0.030.09( X * 0.03 ) + ( Y * 0.09 )
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Standard infrequent access0.1250.09
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TotalsExpected Monthly Cost
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1EC2$809.28
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2EBS$130
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3ELB$18.30 + Bandwidth
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4BandwidthVaries depending on expected bandwidth
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5S3Varies depending on expected storage
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Subtotal$957.58 + Storage and Bandwidth Costs
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Notes1
Above costs are for the production environment. There would be a 50% cost for a DEMO/PLE (Production Like Environment) and a 33% cost per test environment (eg Staging).
There would be a 100% cost increase for live-live Disaster Recovery of equivalent environments and an approx 33% cost increase for live-standby DR environemnts.
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2
Above costs based on US hosting. Hosting in Asia (eg Singapore, Mumbai) are expensive by a factor of 2x
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3All pricing is in $USD
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Pricing is current based on Amazon AWS pricing Q1 2017
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