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Copy file name to clipboardExpand all lines: articles/azure-functions/migration/lambda-functions-migration-assess.md
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@@ -84,7 +84,7 @@ The following tables compare AWS Lambda concepts, resources, and properties with
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| AWS Lambda | Azure Functions |
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|---|---|
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| Amazon CloudWatch helps with monitoring and observability by collecting and tracking metrics, aggregating and analyzing logs, setting alarms, creating custom dashboards, and implementing automated responses to changes in resource performance and metrics. | Azure Monitor provides comprehensive monitoring and observability for Azure Functions, particularly through its Application Insights feature. <br> Application Insights collects telemetry data such as request rates, response times, and failure rates. It visualizes application component relationships, monitors real-time performance, logs detailed diagnostics, and allows custom metric tracking. These capabilities help maintain the performance, availability, and reliability of Azure Functions, while enabling custom dashboards, alerts, and automated responses. |
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| Amazon CloudWatch helps with monitoring and observability by collecting and tracking metrics, aggregating and analyzing logs, setting alarms, creating custom dashboards, and implementing automated responses to changes in resource performance and metrics. | Azure Monitor provides comprehensive monitoring and observability for Azure Functions, particularly through its Application Insights feature. <br><br> Application Insights collects telemetry data such as request rates, response times, and failure rates. It visualizes application component relationships, monitors real-time performance, logs detailed diagnostics, and allows custom metric tracking. These capabilities help maintain the performance, availability, and reliability of Azure Functions, while enabling custom dashboards, alerts, and automated responses. |
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| AWS Lambda generates telemetry data from your function invocations and can export this data by using OpenTelemetry semantics. You can configure your Lambda functions to send this telemetry data to any OpenTelemetry-compliant endpoint. This action allows for correlation of traces and logs, consistent standards-based telemetry data, and integration with other observability tools that support OpenTelemetry. | Configure your functions app to export log and trace data in an OpenTelemetry format. You can export telemetry data to any compliant endpoint by using OpenTelemetry. OpenTelemetry provides benefits such as correlation of traces and logs, consistent standards-based telemetry data, and integration with other providers. You can enable OpenTelemetry at the function app level in the host configuration and in your code project to optimize data exportation from your function code. For more information, see [Use OpenTelemetry with Azure Functions](/azure/azure-functions/opentelemetry-howto). |
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### Scaling and concurrency
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| Feature | AWS Lambda | Azure Functions |
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| Grouping functions | Each AWS Lambda function is an independent entity. | A function app serves as a container for multiple functions. It provides a shared execution context and configuration for the functions that it contains. Treating multiple functions as a single entity simplifies deployment and management. Functions also uses a per-function scaling strategy, where each function is scaled independently, except for HTTP, Blob Storage, and Durable Functions triggers. These triggered functions scale in their own groups. |
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| Custom domains | Enabled via API Gateway | [Can be configured directly on a function app or on Azure API Management](/azure/app-service/app-service-web-tutorial-custom-domain) |
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| Custom container support | Supports custom containers via Lambda Container Image | [Supports custom containers via Azure Functions running in Azure Container Apps](/azure/azure-functions/functions-how-to-custom-container) |
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| Custom domains | Enabled via API Gateway | You can [configure custom domains](/azure/app-service/app-service-web-tutorial-custom-domain) directly on a function app or on Azure API Management. |
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| Custom container support | Supports custom containers via Lambda Container Image | Azure Functions supports [custom containers that run in an Azure Container Apps environment](/azure/azure-functions/functions-how-to-custom-container). |
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