Jul 21, 2022 · Backend Development

AREX: Java Instrumentation‑Based Automated Regression Testing Platform for Backend Services

The article introduces AREX, a Java instrumentation framework that captures real production traffic to create high‑coverage, low‑cost automated regression tests for complex backend systems, detailing its architecture, trace propagation techniques, and open‑source implementation.

AREXAutomated TestingInstrumentation

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AREX: Java Instrumentation‑Based Automated Regression Testing Platform for Backend Services

Tencent Cloud Developer

Dec 1, 2021 · Backend Development

From Dapper to Modern Distributed Tracing: Concepts, Algorithms, and Practices

The article traces the evolution of distributed tracing from Google’s Dapper paper through early research, Pinpoint and X‑Trace, to modern open‑source tools like Zipkin, Jaeger and SkyWalking, explaining metadata propagation, asynchronous reporting, classic nested and convolution algorithms, and practical implementation details for non‑intrusive, scalable tracing.

DapperDistributed TracingSampling

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From Dapper to Modern Distributed Tracing: Concepts, Algorithms, and Practices