EC2 Flashcards
1
Q
What are common use cases for EC2 Spot Instances?
A
- Batch jobs
- Data analysis
- Workloads resilient to failures
2
Q
When would you NOT use EC2 Spot Instances?
A
- Critical jobs
- Databases
3
Q
What is the discount provided for using EC2 Spot Instances?
A
90%
4
Q
What is a Spot Block?
A
It’s a block on a spot instance for a specified time frame (1 to 6 hours) where the instance cannot be interrupted or reclaimed
5
Q
What is a Spot Fleet?
A
A set of Spot Instances, and optionally, on-demand instances.
6
Q
What are the various strategies available to allocate Spot Instances
A
- lowestPrice: from the pool with lowest price
- diversified: distributed across all pools
- capacityOptimized: pool w/optimal capacity
