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Spot instances on CloudFerro Cloud
Spot instance is resource similar to Amazon EC2 Spot Instances or Google Spot VMs. In short, user is provided with unused computational resources for a discounted price but those resources can be terminated on a short time notice whenever on-demand usage increases. The main use case are ephemeral workflows which can deal with being terminated unexpectedly and/or orchestration platforms which can deal with forced scaling down of available resources e.g. Kubernetes clusters.
What We Are Going To Cover
- How to create spot instances
- Additional configuration via tags
- What is the expected behaviour
Prerequisites
No. 1 Account
You need a CloudFerro Cloud hosting account with access to the Horizon interface: https://horizon.cloudferro.com
No. 2 Available exclusively on WAW3-2 cloud
When using spot instances, be sure to work only on WAW3-2 cloud:
No. 3 Using quotas and flavors
For quotas, see this article: Dashboard Overview – Project Quotas And Flavors Limits on CloudFerro Cloud
No. 3 OpenStack CLI client
If you want to interact with CloudFerro Cloud cloud using OpenStack CLI client, you need to have it installed. Check one of these articles: