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How to create Lambda Function in AWS

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To create Lambda Function In AWS

Introduction:

AWS Lambda is a serverless measure service that runs code in response to events and spontaneously runs the underlying compute resources. Lambda runs the code only when needed and scales automatically, from a few requests per day to thousands per second. It also extends other AWS services with custom logic or creates its own back-end services that operate at AWS scale, performance, and security.

Steps to create Lambda Function:

Log into Your AWS account: Choose Lambda in Management console: Snap1 Create a new Lambda function: Snap2

Give the details for the function: Snap3 Snap4 Select the role: Snap5 To create a new role select the AWS service and continue the process: Snap6 Select the existing role: Snap7 Snap8

Make some changes in code and deploy the changes: Snap10 Then run a program by clicking Test: Snap11 Enter the Event name: Snap12 Again run a program: Snap13 Then, check the execution status: Snap14 Snap15 With This method creation of Lambda Function comes to an End.

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Frequently asked questions ( 5 )

Q

What is AWS Lambda?

A

AWS Lambda is a serverless measure service that runs code in response to events and spontaneously runs the underlying compute resources. Lambda runs the code only when needed and scales automatically, from a few requests per day to thousands per second. It also extends other AWS services with custom logic or creates its own back-end services that operate at AWS scale, performance, and security.

Q

How does AWS Lambda secure my code?

A

AWS Lambda stores code in Amazon S3 and encrypts it at rest. AWS Lambda performs additional integrity checks while your code is in use.

Q

What languages does AWS Lambda support?

A

AWS Lambda natively supports Java, Go, PowerShell, Node.js, C#, Python, and Ruby code, and provides a Runtime API that allows you to use any additional programming languages to author your functions. Please read our documentation on using Node.js, Python, Java, Ruby, C#, Go, and PowerShell.

Q

What if I need scratch space on the disk for my AWS Lambda function?

A

Each Lambda function receives 500MB of non-persistent disk space in its own /tmp directory.

Q

Can I use threads and processes in my AWS Lambda function code?

A

Yes. AWS Lambda allows you to use normal language and operating system features, such as creating additional threads and processes. Resources allocated to the Lambda function, including memory, execution time, disk, and network use, must be shared among all the threads/processes it uses. You can launch processes using any language supported by Amazon Linux.

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