This case study details how a Baidu QA team diagnosed a long‑standing memory‑growth issue caused by improper use of Protocol Buffers, identified the problematic merged_data structure, applied a scoped_ptr reset fix, and validated the improvement with monitoring and unit tests.
This article details a real‑world investigation of a memory‑growth issue in a core backend service caused by improper use of Protocol Buffers, describing the symptoms, reproduction attempts, step‑by‑step root‑cause analysis, the implemented fix, and performance verification results.
This article analyzes the architectural choices behind WeChat and Momo instant‑messaging services, covering battery and traffic constraints, network reliability, the shift from XMPP to proprietary long/short connections, protocol design with protobuf, and operational strategies for scaling massive user bases.
The article explains the concept of specialized search, its service model, and detailed backend architecture considerations such as interface standards, traffic distribution, service invocation, and component reuse, illustrated with protobuf definitions and deployment diagrams.
