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catalog:
  - name: "Welcome"
    path: "/readme"
  - name: "Concepts and Designs"
    catalog:
      - name: "What is SkyWalking?"
        catalog:
          - name: "Overview and Core concepts"
            path: "/en/concepts-and-designs/overview"
          - name: "Project Goals"
            path: "/en/concepts-and-designs/project-goals"
      - name: "Probe"
        catalog:
          - name: "Introduction"
            path: "/en/concepts-and-designs/probe-introduction"
          - name: "Service auto instrument agent"
            path: "/en/concepts-and-designs/service-agent"
          - name: "Manual instrument SDK"
            path: "/en/concepts-and-designs/manual-sdk"
          - name: "Service Mesh probe"
            path: "/en/concepts-and-designs/service-mesh-probe"
      - name: "Backend"
        catalog:
          - name: "Overview"
            path: "/en/concepts-and-designs/backend-overview"
          - name: "Observability Analysis Language"
            path: "/en/concepts-and-designs/oal"
          - name: "Meter Analysis Language"
            path: "/en/concepts-and-designs/mal"
          - name: "Log Analysis Language"
            path: "/en/concepts-and-designs/lal"
          - name: "Query in OAP"
            path: "/en/protocols/readme#query-protocol"
      - name: "UI"
        path: "/en/concepts-and-designs/ui-overview"
      - name: "CLI"
        path: "https://github.com/apache/skywalking-cli"
      - name: "Event"
        path: "/en/concepts-and-designs/event/"

  - name: "Setup"
    catalog:
      - name: "Java agent"
        catalog:
        - name: "Setup"
          path: "/en/setup/service-agent/java-agent/readme"
        - name: "Supported middleware, framework and library"
          path: "/en/setup/service-agent/java-agent/Supported-list"
        - name: "Agent Configuration Properties"
          path: "/en/setup/service-agent/java-agent/readme#table-of-agent-configuration-properties"
        - name: "Optional plugins"
          path: "/en/setup/service-agent/java-agent/readme#optional-plugins"
        - name: "Bootstrap/JVM class plugin"
          path: "/en/setup/service-agent/java-agent/readme#bootstrap-class-plugins"
        - name: "Advanced reporters"
          path: "/en/setup/service-agent/java-agent/readme#advanced-reporters"
        - name: "Plugin development guide"
          path: "/en/guides/java-plugin-development-guide/"
        - name: "Java Agent Performance Test"
          path: "https://skyapmtest.github.io/Agent-Benchmarks/"
      - name: "All available server agents"
        path: "/en/setup/service-agent/server-agents"
      - name: "Browser agent"
        path: "/en/setup/service-agent/browser-agent"
      - name: "Service Mesh"
        catalog:
          - name: "Observe Istio Control Plane"
            path: "/en/setup/istio/readme"
          - name: "Observe Service Mesh"
            path: "/en/setup/envoy/als_setting"
          - name: "Send Envoy metrics to SkyWalking with / without Istio"
            path: "/en/setup/envoy/metrics_service_setting"
      - name: "Backend"
        catalog:
          - name: "Setup"
            path: "/en/setup/backend/backend-setup"
          - name: "Configuration Vocabulary"
            path: "/en/setup/backend/configuration-vocabulary"
          - name: "Overriding settings"
            path: "/en/setup/backend/backend-setting-override"
          - name: "IP and port setting"
            path: "/en/setup/backend/backend-ip-port"
          - name: "Backend init mode startup"
            path: "/en/setup/backend/backend-init-mode"
          - name: "Cluster management"
            path: "/en/setup/backend/backend-cluster"
          - name: "Deploy in kubernetes"
            path: "/en/setup/backend/backend-k8s"
          - name: "Choose storage"
            path: "/en/setup/backend/backend-storage"
          - name: "Set receivers"
            path: "/en/setup/backend/backend-receivers"
          - name: "Open fetchers"
            path: "/en/setup/backend/backend-fetcher"
          - name: "Trace sampling"
            path: "/en/setup/backend/trace-sampling"
          - name: "Slow DB statement threshold"
            path: "/en/setup/backend/slow-db-statement"
          - name: "OAL scripts"
            path: "/en/guides/backend-oal-scripts"
          - name: "Alarm"
            path: "/en/setup/backend/backend-alarm"
          - name: "Advanced deployment options"
            path: "/en/setup/backend/advanced-deployment"
          - name: "Metrics exporter"
            path: "/en/setup/backend/metrics-exporter"
          - name: "Time To Live (TTL)"
            path: "/en/setup/backend/ttl"
          - name: "Dynamic Configuration"
            path: "/en/setup/backend/dynamic-config"
          - name: "Uninstrumented Gateways"
            path: "/en/setup/backend/uninstrumented-gateways"
          - name: "Apdex threshold"
            path: "/en/setup/backend/apdex-threshold"
          - name: "Service Grouping"
            path: "/en/setup/backend/service-auto-grouping"
          - name: "Group Parameterized Endpoints"
            path: "/en/setup/backend/endpoint-grouping-rules"
          - name: "OpenTelemetry Metrics Analysis"
            path: "/en/backend-receivers#opentelemetry-receiver"
          - name: "Meter Analysis"
            path: "/en/setup/backend/backend-meter"
          - name: "Spring Sleuth Metrics Analysis"
            path: "/en/setup/backend/spring-sleuth-setup"
          - name: "Log Analyzer"
            path: "/en/setup/backend/log-analyzer"
      - name: "UI Setup"
        path: "/en/setup/backend/ui-setup"
      - name: "CLI Setup"
        path: "https://github.com/apache/skywalking-cli"
  - name: "UI Introduction"
    path: "/en/ui/readme"
  - name: "Contributing Guides"
    catalog:
      - name: "Contribute"
        path: "/en/guides/readme"
      - name: "Become a committer"
        path: "/en/guides/asf/committer"
      - name: "Compiling Guide"
        path: "/en/guides/How-to-build"
      - name: "Agent plugin development guide"
        path: "/en/guides/Java-Plugin-Development-Guide"
  - name: "Protocols"
    path: "/en/protocols/readme"
  - name: "FAQs"
    path: "/en/FAQ/readme"
  - name: "Changelog"
    path: "https://github.com/apache/skywalking/tree/master/changes"





