High Availability Architecture
Jun 28, 2024 · Backend Development
Deep Dive into pfinder: Architecture, Bytecode Enhancement, and Tracing Mechanisms
This article provides a comprehensive technical overview of pfinder, JD's next‑generation APM system, covering its core concepts, feature set, comparison with other tracing tools, bytecode modification techniques using ASM, Javassist, ByteBuddy and ByteKit, Java agent injection via JVMTI and Instrumentation, plugin loading, trace‑ID propagation across threads, and a prototype hot‑deployment capability.
APMBytecodeInstrumentationJava
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