PREVIOUS WRITE UP
**Master**:
* Three (3) nodes; one active, two on hot-standby.
* Machine type: `t2.medium`

**Interface**:
* Three (3) nodes.
* Machine type: `r3.xlarge`

**Data**:
* Thirty (30) nodes.
* Machine type: `m1.xlarge`
  * Note: 411234588 KB (~ 393 GB) instance storage per node.

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**Master**
* Three nodes behind ELB
* Machine type: m3.medium
  Unreserved Pricing: $ 153.72 monthly
  1 year all up front pricing:  $93.00 monthly
  1 year no up front pricing:  $109.50 monthly

  **Interface**
  * Three nodes
  * Machine type:  r3.xlarge
  Unreserved Pricing: 768.60 monthly
  1 year all up front pricing: $406.50 monthly
  1 year no up front pricing: $481.80 monthly

  **Data**
  * Thirty nodes
  * Machine type:  m3.xlarge
  * Specs: 400gb per node
  Unreserved Pricing: $ 6148.80 monthly instance cost, $1200 monthly EBS cost
  1 year all up front pricing: $3757.50 monthly instance cost, $1200 monthly EBS cost
  1 year no up front pricing: $4380 monthly instance cost, $1200 monthly EBS cost

**GENERAL SSD**
Unreserved Monthly Cost: $8271.12
Unreserved Yearly Cost:  $99253.44
All up front Monthly Cost: $5457
All up front Yearly Cost:  $65484
No up front Monthly Cost: $6171.30
No up front Yearly Cost: $74055.60