azure monitoring and alerting Data Source Metrics Audit Logs Tutorial
Azure Monitor is based on a common monitoring data platform that includes Logs and Metrics. Collecting data into this platform allows data from multiple resources to be analyzed together using a common set of tools in Azure Monitor. Monitoring data may also be sent to other locations to support certain scenarios, and some resources may write to other locations before they can be collected into Logs or Metrics.
Metrics
Logs
Diagnostic Logs
Tenant Logs
Resource logs
OS level Logs
Activity Logs
Application tiers
Sources of monitoring data from Azure applications can be organized into tiers, the highest tiers being your application itself and the lower tiers being components of Azure platform. The method of accessing data from each tier varies. The application tiers are summarized in the table below, and the sources of monitoring data in each tier are presented in the following sections.
Enabling the Azure Diagnostics extension for Azure Virtual machines allows you to collect logs and metrics from the guest operating system of Azure compute resources including Azure Cloud Service (classic) Web and Worker Roles, Virtual Machines, virtual machine scale sets, and Service Fabric.
Install the Log Analytics agent for comprehensive monitoring and management of your Windows or Linux virtual machines. The virtual machine can be running in Azure, another cloud, or on-premises.
Azure Monitor for VMs provides a customized monitoring experience for virtual machines providing features beyond core Azure Monitor functionality. It requires a Dependency Agent on Windows and Linux virtual machines that integrates with the Log Analytics agent to collect discovered data about processes running on the virtual machine and external process dependencies.
When you enable Application Insights for an application by installing an instrumentation package, it collects metrics and logs related to the performance and operation of the application. Application Insights stores the data it collects in the same Azure Monitor data platform used by other data sources. It includes extensive tools for analyzing this data, but you can also analyze it with data from other sources using tools such as Metrics Explorer and Log Analytics.
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