ALL HELP Application Performance Management Service Overview What Is APM? Functions Application Scenarios Basic Concepts Permissions Management Data Collection Usage Restrictions Feature Description Price Details APM Billing Description About Renewal Getting Started Subscribing to APM Monitoring a Java Application Connecting an ECS Application to APM Connecting a Demo Application to APM Connecting a Container Application to APM Connecting a Docker Application to APM Connecting a Deployment Application to APM Monitoring a PHP Application User Guide Before You Start Permissions Management Key Concepts Creating a User and Granting Permissions Policy Syntax Application Overview Dashboard Resource List Full-Link Topology Call Chain Tracing Tracing Method Tracing Transaction List Transaction Insights SQL Analysis JVM Monitoring Browser Browser Summary Browser Topology Browser Management Mobile App Summary ANR Analysis Crash Analysis Operation Analysis Network Interaction Topology App Management Installation and Configuration Agent Management (HUAWEI CLOUD Host) Installing the ICAgent (Linux) Upgrading the ICAgent (Linux) Uninstalling the ICAgent (Linux) Agent Management (Non-HUAWEI CLOUD Host) Installing the ICAgent Upgrading the ICAgent Uninstalling the ICAgent PHP Probe Installing the PHP Probe Uninstalling the PHP Probe Collection Configuration Configuration Center Alarm Center Viewing Alarms Viewing an Event Alarm Notification Experiencing APM for Free API Reference Before You Start Overview API Calling Endpoints Concepts API Overview Calling APIs Making an API Request Authentication Response APIs Querying an Application List Querying a Service List Querying a Service Instance List Querying a Service Transaction List Querying Tracing Data Query Tracing Details Permissions Policies and Supported Actions Introduction API Permissions Appendix Status Code Error Codes Obtaining a Project ID Obtaining an Account ID Common Request Headers Common Response Headers Change History Best Practices Managing E-Commerce Applications with APM Locating Application Exceptions FAQ Consultation FAQs What Is the Billing Policy of APM? What Are Apdex and an Apdex Threshold? How Do I Distinguish Between Alarms and Events? Why Does the Number of GC Times in JVM Monitoring Data Contain Decimals? Usage FAQs How Do I Obtain the AK/SK and Project ID? How Do I Obtain the AK/SK by Creating an Agency? What Do I Do If No Data Is Found or the Data Is Abnormal? How Do I Connect APM to a Non-Web Program? How Is the Time Line of the Call Chain Drawn? How Does APM Collect Probe Data? How Does APM Collect Mesh Data? How Do I Calculate the Number of Used Instances? How Do I Connect the JBoss Server in Standalone Mode to APM? Why Can I Not Find Logs Using TraceID? How Do I Deploy APM Probes in CCE Containers? What Can I Do If the SSH Tunnel Process Is Abnormal?