Author

Mafengwo Technology

External communication platform of the Mafengwo Technology team, regularly sharing articles on advanced tech practices, tech exchange events, and recruitment.

Articles

Likes

Views

Comments

Latest from Mafengwo Technology

52 recent articles

Mafengwo Technology

Apr 30, 2025 · Artificial Intelligence

How MaFengWo’s mfw-32B Travel LLM Outperforms DeepSeek‑R1 in Speed and Accuracy

The article details the development, training, and evaluation of MaFengWo's 32‑billion‑parameter travel large language model (mfw‑32B), highlighting its superior itinerary planning, personalized demand capture, budget management, and resource efficiency compared to DeepSeek‑R1, and describing the SFT and reinforcement‑learning stages that enabled these gains.

AI OptimizationLoRAReinforcement learning

0 likes · 14 min read

How MaFengWo’s mfw-32B Travel LLM Outperforms DeepSeek‑R1 in Speed and Accuracy

Mafengwo Technology

Mar 24, 2022 · Artificial Intelligence

How MaFengWo Reduces Position Bias in Its Recommendation Ranking System

This article explains how MaFengWo's recommendation ranking system tackles position bias by incorporating position features, using inverse propensity weighting, and adjusting click metrics, resulting in measurable improvements in click‑through rate, content exposure, and overall recommendation accuracy.

CTR predictioninverse propensity weightingposition bias

0 likes · 10 min read

How MaFengWo Reduces Position Bias in Its Recommendation Ranking System

Mafengwo Technology

Aug 5, 2020 · Backend Development

Boost Recommendation Engine Performance with Off‑Heap Cache (OHC) in Java

This article explains the principles and practical implementation of the Java off‑heap cache framework OHC, detailing its architecture, memory allocation, serialization, configuration, and real‑world performance results within the MaFengWo recommendation engine, illustrating how it reduces latency and improves cache hit rates.

JavaPerformance optimizationRecommendation Engine

0 likes · 18 min read

Boost Recommendation Engine Performance with Off‑Heap Cache (OHC) in Java

Mafengwo Technology

Feb 28, 2020 · Operations

How HAWK Turns Automated Testing into a Seamless DevOps Pipeline

This article examines common pitfalls of test automation, critiques traditional framework‑only solutions, and details how the HAWK platform integrates automation frameworks, case‑set management, and a data factory with CI/CD to boost testing efficiency and product quality.

automated testingsoftware qualitytest automation

0 likes · 11 min read

How HAWK Turns Automated Testing into a Seamless DevOps Pipeline

Mafengwo Technology

Feb 28, 2020 · Backend Development

How We Achieve Real‑Time MySQL‑to‑Elasticsearch Sync with Binlog and Kafka

This article explains how a large e‑commerce platform replaced a MySQL‑centric intermediate table with a binlog‑driven pipeline that streams changes through Kafka into Elasticsearch, ensuring ordered, complete, and low‑latency data synchronization while addressing schema evolution and operational monitoring.

Data SynchronizationElasticsearchGo

0 likes · 11 min read

How We Achieve Real‑Time MySQL‑to‑Elasticsearch Sync with Binlog and Kafka

Mafengwo Technology

Feb 20, 2020 · R&D Management

How a Custom PMO System Boosts Development Efficiency and Cuts Management Costs

This article explains how the MaFengWo PMO team built a self‑developed PMO system that centralizes requirement data, automates group creation, synchronizes messages and emails, provides risk alerts and weekly reports, ultimately improving execution speed, reducing manual effort, and supporting multi‑business‑line project management.

PMOdata analyticsprocess automation

0 likes · 16 min read

How a Custom PMO System Boosts Development Efficiency and Cuts Management Costs

Mafengwo Technology

Feb 13, 2020 · Backend Development

How We Built a High‑Performance Geospatial Photo Index for a Travel App

This article details the design, algorithm selection, and performance optimizations behind a geospatial photo‑indexing service that aggregates and searches millions of user photos by location and time, enabling faster, more accurate travel content sharing in a mobile app.

Geospatial IndexingPerformance optimizationS2 algorithm

0 likes · 14 min read

How We Built a High‑Performance Geospatial Photo Index for a Travel App

Mafengwo Technology

Feb 8, 2020 · Operations

How a Travel Platform Engineered a Pandemic‑Era Emergency Response: Operations Lessons

During the 2020 Chinese New Year lockdown, a travel platform mobilized its development, product, and operations teams to rapidly build refund systems, coordinate with suppliers, and ensure continuous online services, showcasing a user‑first, cross‑functional emergency strategy that balanced technical delivery with intense customer pressure.

Product Managementincident responseoperations

0 likes · 13 min read

How a Travel Platform Engineered a Pandemic‑Era Emergency Response: Operations Lessons

Mafengwo Technology

Jan 16, 2020 · Artificial Intelligence

How Machine Learning Transforms Hotel Aggregation for Real‑Time Accurate Pricing

This article explains the evolution of hotel aggregation at Mafengwo, from simple cosine similarity matching to advanced machine‑learning pipelines using tokenization, feature engineering, and LightGBM models, highlighting challenges of accuracy and real‑time performance and presenting practical solutions.

LightGBMcosine similarityfeature engineering

0 likes · 16 min read

How Machine Learning Transforms Hotel Aggregation for Real‑Time Accurate Pricing

Mafengwo Technology

Jan 9, 2020 · Backend Development

How jCover Boosts Java Backend Test Coverage in Agile Environments

This article explains how the internally built jCover tool helps a fast‑moving Java backend team measure and improve test coverage across full‑stack, incremental, and parallel testing scenarios, addressing common challenges of agile development, tool limitations, and quality assurance.

CI/CDagilemicroservices

0 likes · 15 min read

How jCover Boosts Java Backend Test Coverage in Agile Environments