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A short class with Sarah and her students. The other ways are under More.
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Today, we will start with Amazon EC2, which stands for Elastic Compute Cloud. Can anyone tell me what EC2 allows you to do?
I think it allows you to run applications in the cloud.
Exactly! EC2 allows you to run applications as virtual server instances. Now, can anyone name a key feature of EC2?
Flexible instance types?
Yes! It offers flexible instance types to support different workloads. Remember, I like to use the acronym SCAPE to recall key features: Scalable, Cost-effective, Automated, Pay-as-you-go, and Elastic. Can someone explain what 'scalable' means in this context?
It means you can increase or decrease the resources based on demand.
Right! Let’s summarize what we’ve learned about Amazon EC2: It provides scalable instances, flexible options, and is used for applications like hosting websites or databases.
Next, let's talk about AWS Lambda. Who can give me a short definition of what Lambda does?
It runs code in response to events without needing to manage servers.
That’s correct! AWS Lambda executes code automatically. What do you think are the benefits of using a serverless architecture like Lambda?
You don’t have to deal with server management.
Correct! It automatically scales as workload changes. Let’s commit to memory the phrase 'pay-per-use' to remember that you only pay for the compute time your code uses. Can someone give an example of where Lambda might be used?
For processing files as they are uploaded?
Absolutely! We can automate workflows based on events like file uploads. To summarize, AWS Lambda is a serverless option that handles changes in scale automatically, making it ideal for event-driven applications.
"EC2's for hosting sites, with flexible heights, pay-as-you-go means no financial frights!"
Imagine a wizard using EC2 to conjure resources on-demand for a grand online game that can grow or shrink based on the number of players—a magical elastic cloud!
Remember 'FAIR' for Lambda: Functions automatically, Immediate response, Runs events.
Recall SCAPE for EC2 features: Scalable, Cost-effective, Automated, Pay-as-you-go, Elastic.
Term
What does AWS Lambda do?
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Term
What are key features of EC2?
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A web service that provides resizable compute capacity in the cloud, allowing users to run applications on virtual servers.
A serverless compute service that runs code in response to events, automatically managing the underlying compute resources.
An architecture that allows developers to build applications without needing to manage the server infrastructure.
A virtual server in the cloud that runs applications as part of Amazon EC2.
Compute services in AWS enable users to run applications and process data on-demand in the cloud.
AWS offers essential compute services such as Amazon EC2 and AWS Lambda to facilitate running applications, handle data processing, and respond to various events efficiently. Understanding these services and their unique features is crucial for leveraging AWS effectively.
AWS provides a wide range of compute services that are pivotal for running applications, managing data processing, and responding to events in the cloud. The two primary services discussed in this section are:
Amazon EC2 (Elastic Compute Cloud):
AWS Lambda:
Both services play distinct roles in computing architecture, giving users the flexibility and tools needed to efficiently manage cloud resources.