Official account of Tencent Qidian R&D team, dedicated to sharing and discussing technology for enterprise SaaS scenarios.
This article introduces Tencent's open‑source Polaris platform, explains its core concepts and features such as service discovery, load balancing, circuit breaking, and dynamic routing, and shares practical experiences of deploying Polaris in Qidian's microservice environment.
This article explores the rise of visual low‑code platforms, focusing on Renno's component‑driven architecture, workflow, and configuration panels that reduce code duplication, streamline front‑end development, and dramatically improve productivity for to‑B SaaS applications.
This article explains how a SaaS client for enterprise customers tackled stability, security, and latency challenges on low‑end PCs by redesigning its architecture, introducing proactive resource monitoring, multi‑process isolation, and a plug‑in system to enable scalable, customizable performance improvements.
This comprehensive guide explores Go performance optimization techniques, covering pprof profiling, trace analysis, GODEBUG diagnostics, and escape analysis, while providing practical code examples and real‑world case studies to help developers identify and resolve CPU, memory, and goroutine bottlenecks in production services.
This article describes the design and implementation of a comprehensive log tracking system for a phone SDK, covering client‑side logging, colored classification, plugin mechanisms, cloud‑native architecture, serverless functions, Elasticsearch storage, and real‑time visual debugging to enable rapid issue identification and resolution.
This article details the design and implementation of the Apex API gateway at Tencent, covering its architecture, dynamic routing, multi‑protocol support, distributed rate limiting, circuit breaking, service discovery, data masking, orchestration, testing automation, push services, observability, and future roadmap.
This article examines client‑side performance bottlenecks caused by message overload, analyzes low‑level Windows message loops and async task queues, proposes a flexible priority‑queue scheduling framework, details its architecture, evaluation metrics, and demonstrates significant UI responsiveness improvements while outlining future enhancements.
This article explains MySQL's architecture, the server and storage‑engine layers, query execution phases, status states, query cache behavior, the optimizer's parsing and planning steps, EXPLAIN output fields, the cost model, and why the optimizer selects index_author_id instead of index_title for a given query.
This article explains the design of a distributed timer service using a time‑wheel data structure stored in Redis, covering application scenarios, required features, architecture components such as access layer, scheduler, worker, and management center, and detailing reliability and performance techniques.
This article explains the design and implementation of MySync, a component that leverages MySQL binlog to synchronously replicate data to heterogeneous storage systems such as Redis, ElasticSearch, and HBase, detailing its architecture, reader and writer modules, Kafka integration, and strategies for handling master‑slave failover.
