12_Reviewing the Spot Instance History Page

Accessing the Spot Instance History Page

  • Navigate to the AWS Management Console.
  • Choose Services, then Compute, and then EC2.
  • This will bring you to the EC2 console page.
  • On the left-hand side, under Instances, find and click Spot Requests.
  • This action takes you to the Spot Request instance interface.

Understanding the Pricing History

  • Choose Pricing History to view the pricing history.
  • It shows the current on-demand and Spot Instance pricing history for specific products and instance types.
  • Review prices by filtering through data fields, including:
    • Instance Type
    • Platform
    • Date Range

Example Scenario

  • Instance Type: C3.LARGE
  • Platform: Linux
  • Date Range: One week

Analyzing Pricing Variations

  • Observe the on-demand pricing as the baseline.
  • Notice the variation in Spot Request prices which depend on the availability zone.

Adjusting the Date Range

  • Options to view different ranges:
    • Three hours
    • One day
    • One month
    • Three months
  • Example Observation: Over three months, prices remained relatively steady.

Changing the Platform

  • Available Platform Options:
    • Linux/Unix
    • SUSE Linux
    • Red Hat Enterprise Linux
    • Windows
  • Example Observation: Spot Instance pricing with Windows is generally a little less than other platforms.

Adjusting Instance Type

  • Example: Changing from c3.large to c4.large.
  • Observation: C4.Large costs a bit more than C3.Large.

Significance

  • The Spot Instance History page consolidates current and historical spot prices.
  • It helps users to make informed decisions regarding the instance types needed to meet their specific business needs.

Impact of Region

  • The Region dropdown list allows switching between different AWS regions.
  • The selected region directly impacts instance pricing.
  • Consideration: Choose the region appropriate for your instance's workload to optimize cost.