Distributed Tracing

  1. Context Propagation
    1. The Context Propagation Problem
      1. Maintaining Request Identity
        1. Cross-Service Correlation
          1. Distributed State Management
          2. Span Context
            1. Context Components
              1. Trace ID
                1. Span ID
                  1. Trace Flags
                    1. Trace State
                    2. Context Immutability
                      1. Context Serialization
                      2. In-Process Propagation
                        1. Thread-Local Storage
                          1. Context Passing
                            1. Asynchronous Context Handling
                              1. Coroutine Support
                              2. Inter-Process Propagation
                                1. HTTP Header Propagation
                                  1. Standard Headers
                                    1. Custom Headers
                                      1. Header Format
                                      2. RPC Metadata
                                        1. gRPC Metadata
                                          1. Thrift Headers
                                            1. Custom RPC Protocols
                                            2. Message Queue Propagation
                                              1. Message Headers
                                                1. Queue-Specific Mechanisms
                                                  1. Asynchronous Processing
                                                2. Propagation Challenges
                                                  1. Context Loss
                                                    1. Async Boundaries
                                                      1. Third-Party Libraries
                                                        1. Legacy Systems Integration

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                                                      3. Core Concepts of Distributed Tracing

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                                                      5. Instrumentation Fundamentals