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In Application Performance Monitoring (APM), the span context information is located in the HTTP header during transfer. Span context is a set of information that identifies a span within a trace, such as Trace ID and Span ID. Span context is propagated across different services and components using HTTP headers. This allows APM to track and correlate the spans for a single user request or transaction.

Enterprise Manager is a service that provides comprehensive monitoring and administration capabilities for Oracle Database and Engineered Systems1. Management Agent enables Enterprise Manager to discover, monitor, and manage targets on Oracle Cloud Infrastructure, on-premises, or on other public clouds2.

Logging Analytics is a service that enables devops teams to monitor and troubleshoot issues faster by analyzing data from any source using interactive, intuitive dashboards1. Management Agent collects log data from various sources and sends it to Logging Analytics for parsing and indexing2.

Two use cases of OCI Events Service are:

• Perform cleanup tasks when an OCI resource is terminated. For example, you can create an event rule that triggers a function when an instance is terminated (com.oraclecloud.computeapi.terminateinstance.end). The function can perform some cleanup tasks, such as deleting associated resources or sending notifications.
• Process files when they are uploaded in an Object Storage bucket. For example, you can create an event rule that triggers a function when an object is created in a bucket (com.oraclecloud.objectstorage.createobject). The function can process the file, such as resizing an image or converting a document format. For more information, see Events Overview.

Two components that the Management Agent solution includes in the Cloud service are:

• Management Agent. Management Agent is a lightweight process that collects and sends operational data from your resources to OCI services, such as Monitoring, Logging, or Stack Monitoring. Management Agent can collect data from various sources, such as databases, hosts, or applications.
• Management Gateway. Management Gateway is a component that enables secure communication between Management Agents and OCI services. Management Gateway acts as a proxy that encrypts and forwards data from Management Agents to OCI services.