AWS Cloud Development Kit - From Beginner to Professional - CloudWatch Custom Metrics, Filter Patterns, and Alarms

The video tutorial explains how to create custom metrics in AWS for applications running on platforms like Lambda, EC2, and Beanstalk. It covers setting up a Lambda function to log errors, creating metric filters and alarms in CloudWatch, and building a custom metric namespace. The tutorial also demonstrates testing and deploying the setup to monitor third-party API failures and trigger notifications.

What is the purpose of creating custom metrics in AWS Lambda?

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Describe a scenario where the default metrics provided by AWS may not be sufficient.

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How can you log API failures in a Lambda function?

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What is the role of the CloudWatch logs in monitoring Lambda functions?

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What steps are involved in creating a metric filter in CloudWatch?

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How does the Lambda function simulate errors for testing purposes?

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What is the significance of the 'true' and 'false' values in the context of the custom metric?

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Explain how to set up an alarm based on custom metrics in AWS.

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Discuss the importance of setting the appropriate value for 'treat missing data' in alarms.

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What are the potential outcomes when invoking the Lambda function multiple times?

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