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Zhihu Tech Column
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Zhihu Tech Column

Sharing Zhihu tech posts and exploring community technology innovations.

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Latest from Zhihu Tech Column

22 recent articles
Zhihu Tech Column
Zhihu Tech Column
Aug 8, 2025 · Mobile Development

Unlock Scalable iOS Plugins: Inside ZHPluginSDK’s Architecture and Message System

This article introduces ZHPluginSDK, a powerful Swift‑based plugin framework that supports type‑safe registration, flexible message dispatch, multi‑container composition, synchronous messaging, and environment variables, providing a comprehensive guide with architecture diagrams, feature lists, and extensive code examples for mobile developers.

Message DispatchSwiftmobile development
0 likes · 30 min read
Unlock Scalable iOS Plugins: Inside ZHPluginSDK’s Architecture and Message System
Zhihu Tech Column
Zhihu Tech Column
Jul 25, 2025 · Artificial Intelligence

Boost Creative Writing with Zhi-Create-Qwen3-32B: Training, Eval & Deployment

This article introduces the open‑source Zhi‑Create‑Qwen3‑32B model, detailing its fine‑tuned training on creative‑writing data, the multi‑domain dataset strategy, curriculum‑learning based SFT, evaluation on WritingBench, and practical deployment options across various hardware and inference frameworks.

EvaluationLarge Language Modelcreative writing
0 likes · 11 min read
Boost Creative Writing with Zhi-Create-Qwen3-32B: Training, Eval & Deployment
Zhihu Tech Column
Zhihu Tech Column
Jul 14, 2025 · Artificial Intelligence

How AI Turned Our Development Process into a 70% Automated Workflow

This article details a six‑month, B‑side product team experiment that evolved from a failed AI tool trial to a mature human‑AI collaboration model, achieving 60‑70% automation of development tasks, cutting weeks of work, and establishing a knowledge‑base that lets AI act as a true team member.

AI developmentKnowledge Managementproductivity
0 likes · 28 min read
How AI Turned Our Development Process into a 70% Automated Workflow
Zhihu Tech Column
Zhihu Tech Column
Jun 25, 2025 · Frontend Development

How Zhihu’s Growth Team Supercharged Activity Page Performance: From Diagnosis to Real‑World Gains

This article reveals how Zhihu’s growth engineering team dissected activity‑page rendering bottlenecks, applied front‑end performance techniques such as early resource loading, image compression, pre‑rendering, and metric‑driven optimization (FCP, CLS, INP), and ultimately boosted page reach and conversion rates dramatically.

frontendgrowthimage compression
0 likes · 23 min read
How Zhihu’s Growth Team Supercharged Activity Page Performance: From Diagnosis to Real‑World Gains
Zhihu Tech Column
Zhihu Tech Column
Jun 11, 2025 · Artificial Intelligence

How Minute‑Level Time Decay Boosts User Retention Modeling in Recommendation Systems

This article presents a novel minute‑level future‑reward framework with dual‑delay incentives, activity‑based attribution, multi‑task delayed modeling, and sequential streaming training that dramatically improves user retention prediction accuracy and real‑time performance in large‑scale recommendation platforms.

Deep LearningUser Retentionmulti‑task modeling
0 likes · 17 min read
How Minute‑Level Time Decay Boosts User Retention Modeling in Recommendation Systems
Zhihu Tech Column
Zhihu Tech Column
Mar 14, 2025 · Artificial Intelligence

Insights from Zhihu’s ZhiLight Large Model Inference Framework: Architecture, Parallelism, and Performance Optimizations

The article summarizes Zhihu’s technical talk on the ZhiLight large‑model inference framework, detailing model execution mechanisms, GPU load analysis, multi‑GPU parallel strategies, open‑source engine comparisons, compute‑communication overlap, quantization techniques, benchmark results, and future directions for scalable LLM deployment.

GPU ParallelismLarge Language ModelsSGLang
0 likes · 11 min read
Insights from Zhihu’s ZhiLight Large Model Inference Framework: Architecture, Parallelism, and Performance Optimizations
Zhihu Tech Column
Zhihu Tech Column
Jan 17, 2025 · Artificial Intelligence

Zhihu Direct Answer: Product Overview and Technical Practices

This article summarizes the key technical insights from Zhihu Direct Answer, an AI-powered search product, covering its product overview, RAG framework, query understanding, retrieval strategies, chunking, reranking, generation techniques, evaluation methods, and engineering optimizations for cost and performance.

AI SearchChunkingEngineering Optimization
0 likes · 13 min read
Zhihu Direct Answer: Product Overview and Technical Practices
Zhihu Tech Column
Zhihu Tech Column
Dec 31, 2024 · Cloud Native

Cloud Native Innovation Forum: AutoMQ Table Topic, OceanBase Integrated Database, and Observability Practices

The article recaps Zhihu's Cloud Native Innovation Forum where experts from AutoMQ, OceanBase, and Flashcat shared practical solutions on streaming data ingestion, unified database architectures, and AI‑driven observability, highlighting real‑world deployments, performance optimizations, and cost‑saving strategies.

AIAutoMQCloud Native
0 likes · 10 min read
Cloud Native Innovation Forum: AutoMQ Table Topic, OceanBase Integrated Database, and Observability Practices
Zhihu Tech Column
Zhihu Tech Column
Dec 25, 2024 · Databases

Technical Challenges and Solutions for Migrating Zhihu's Self‑Managed MongoDB Cluster to Alibaba Cloud

The article analyzes the storage, sharding, backup, and operational pain points of Zhihu's self‑operated MongoDB cluster, proposes cloud‑based architectural and procedural solutions, and details a step‑by‑step migration plan that ensures zero‑downtime, improved stability, and cost efficiency.

Alibaba CloudCloud ComputingDatabase Migration
0 likes · 11 min read
Technical Challenges and Solutions for Migrating Zhihu's Self‑Managed MongoDB Cluster to Alibaba Cloud