Table of Contents
- 1 Which of the following approaches can improve the performance of your Lambda function?
- 2 What can be used to automatically invoke an AWS lambda function?
- 3 What are the two ways that a lambda function can be invoked?
- 4 How do you handle Lambda cold start?
- 5 What is first step in getting started with AWS Lambda?
- 6 How do you increase Lambda Execution time?
- 7 How do I configure a Lambda VPC with multiple subnets?
Which of the following approaches can improve the performance of your Lambda function?
Function code. Take advantage of execution environment reuse to improve the performance of your function. Subsequent invocations processed by the same instance of your function can reuse these resources. This saves cost by reducing function run time.
What can be used to automatically invoke an AWS lambda function?
Understanding the Different Ways to Invoke Lambda Functions
- Elastic Load Balancing (Application Load Balancer)
- Amazon Cognito.
- Amazon Lex.
- Amazon Alexa.
- Amazon API Gateway.
- Amazon CloudFront (Lambda@Edge)
- Amazon Kinesis Data Firehose.
What is the fastest way to get started with AWS Lambda?
Another easy way to get started is with the AWS Serverless Application Repository, which enables you to quickly deploy pre-built applications. To dive deeper into specific use cases, you will find resources for web app development, data processing, mobile backend development, and edge computing.
How do you increase CPU resources for Lambda?
You can increase or decrease the memory and CPU power allocated to your function using the Memory (MB) setting. To configure the memory for your function, set a value between 128 MB and 10,240 MB in 1-MB increments. At 1,769 MB, a function has the equivalent of one vCPU (one vCPU-second of credits per second).
What are the two ways that a lambda function can be invoked?
Lambda Functions can be triggered in different ways: an HTTP request, a new document upload to S3, a scheduled Job, an AWS Kinesis data stream, or a notification from AWS Simple Notification Service (SNS).
How do you handle Lambda cold start?
Ways to Reduce AWS Lambda Cold Start
- Avoid HTTP/HTTPS Calls Inside Lambda. HTTPS calls prompt cold starts in serverless applications and increases a function’s invoking time.
- Preload All Dependencies.
- Avoid Colossal Functions.
- Reducing Setup Variables.
How do you trigger lambda in Lambda?
There is two invocation type ‘RequestResponse’ and ‘Event’. Use ‘RequestResponse’ if you want to get the response of lambda function and use ‘Event’ to invoke lambda function asynchronously.
What is AWS EventBridge?
Amazon EventBridge is a serverless event bus that makes it easier to build event-driven applications at scale using events generated from your applications, integrated Software-as-a-Service (SaaS) applications, and AWS services.
What is first step in getting started with AWS Lambda?
Get Started With AWS Lambda In 12 Steps
- Step 1: Create an AWS Account.
- Step 2: Plan the Architecture.
- Step 3: Select an Amazon Datastore.
- Step 4: Prepare an Event List.
- Step 5: Look at Other AWS Services.
- Step 6: Select a Programming Language.
- Step 7: Establish a Development Environment.
- Step 8: Write Down a Function.
How do you increase Lambda Execution time?
You cannot increase the runtime to more than 15 minutes. The AWS Lambda limit page states the Function timeout is 900 seconds (15 minutes) . If you need more than 15 minutes of execution time you have to look at other services.
How to create eventbridge rules to allow access to Amazon Redshift?
When the stack status shows as CREATE_COMPLETE, choose the Outputs tab and record the values for RedshiftExecuteSQLFunction and RedshiftExecuteSQLFunctionSecurityGroup. You need these values later to create EventBridge rules and to allow access to Amazon Redshift cluster.
How do I configure a Lambda VPC for Amazon Redshift?
For Lambda VPC Configuration, choose the VPC and subnets inside the VPC. The template allows you to select multiple subnets; however, it only uses the first two subnets that are selected. Make sure the selected VPC subnets have access to the target Amazon Redshift cluster.
How do I configure a Lambda VPC with multiple subnets?
Alternatively, you can launch the stack from the following link: Choose Next. For Lambda VPC Configuration, choose the VPC and subnets inside the VPC. The template allows you to select multiple subnets; however, it only uses the first two subnets that are selected.