SWF Flashcards
1
Q
What are workers?
A
Programs that interact with SWF to get tasks, process received tasks, and return results.
2
Q
What is a decider?
A
Program that controls the coordination of tasks. Ordering, concurrency, and scheduling.
3
Q
True or False. Tasks are assigned more than once.
A
False. Only once and never duplicated.
4
Q
What is the longest time frame for a workflow?
A
One year. Measured in seconds.
5
Q
When should SWF be used?
A
Any time there is human interaction with the workflow.
6
Q
What is the maximum amount of workflows in an SWF domain?
A
10,000
7
Q
List major use cases for SWF
A
- Video encoding using Amazon S3 and Amazon EC2
- Processing large product catalogs using Amazon Mechanical Turk
- ## Migrating components from the datacenter to the cloud
