SWF Flashcards

1
Q

What are workers?

A

Programs that interact with SWF to get tasks, process received tasks, and return results.

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2
Q

What is a decider?

A

Program that controls the coordination of tasks. Ordering, concurrency, and scheduling.

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3
Q

True or False. Tasks are assigned more than once.

A

False. Only once and never duplicated.

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4
Q

What is the longest time frame for a workflow?

A

One year. Measured in seconds.

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5
Q

When should SWF be used?

A

Any time there is human interaction with the workflow.

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6
Q

What is the maximum amount of workflows in an SWF domain?

A

10,000

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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
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