Azure Monitor helps you maximize the availability and performance of your applications and services. It delivers a comprehensive solution for collecting, analyzing, and acting on telemetry from your cloud and on-premises environments. This information helps you understand how your applications are performing and proactively identify issues affecting them and the resources they depend on.
Just a few examples of what you can do with Azure Monitor include:
Azure Monitor agent is the way to collect text and IIS files for Log Analytics.
Today Microsoft is happy to introduce the long-awaited Custom Log and IIS Log collection capability. This new capability is designed to enable customers to collect their text-based logs generated in their service or application. Likewise, Internet Information Service (IIS) logs for a customers’ service can be collected and transferred into a Log Analytics Workspace table for analysis. These new collection types will enable customers to migrate from other competing data collection services to Azure Monitor.
Source: General availability: Azure Monitor agent custom and IIS logs