HomeTech tech sharing
This article describes how a payment reconciliation system progressed from a simple MySQL‑based solution through a Hive‑based big‑data approach to a high‑performance StarRocks architecture, detailing the integration of Flink, DataX, and SQL adaptations that dramatically improved query speed, cost, and operational efficiency.
This article explains how to use Celery together with Redis to manage and execute periodic and asynchronous tasks in Python, covering basic concepts, architecture, configuration steps, single‑worker and multi‑worker setups, distributed processing strategies, and practical considerations for reliable task execution.
This article explains the challenges of data asset lineage in large data warehouses, presents a comprehensive approach using business‑level instrumentation, SQL interceptor plugins, and ETL script parsing to generate fine‑grained lineage graphs, and demonstrates measurable improvements in coverage and zombie‑table cleanup.
The article describes how Autohome established a company‑wide, fine‑grained quality measurement system and a comprehensive quality score model that unifies standards across departments, integrates multi‑source data, and drives continuous optimization to enhance user experience and product reliability.
The article details how Autohome tackled the cold‑start problem for newly generated content by redesigning the recommendation pipeline, introducing multi‑path recall, refining ranking and re‑ranking formulas, and applying strategic controls, resulting in a rise of cold‑start success rate from 27% to over 99% and a CTR increase from 5% to 14%.
This article details the business workflow, system architecture, logical index structures, creation, modification, and search processes of the Car Smart Investment advertising index, and evaluates its performance, demonstrating how billions of ad records are efficiently retrieved within milliseconds.
This article explains the background, definition, calculation methods, measurement techniques, and practical optimization strategies for Cumulative Layout Shift (CLS), a key web‑performance metric, and provides JavaScript code examples for tracking and reporting CLS values.
This article explains why and how to build a reusable business component library for frontend teams, compares single‑package and multi‑package architectures, details the build process using webpack and Rollup, describes version‑control strategies, outlines a SOP for component development, and provides practical code examples.
This article examines how a metrics‑driven development approach, combined with observability tools like Prometheus, helped a large online used‑car marketplace improve system insight, accelerate business processes, and deliver measurable performance and efficiency gains across both customer‑facing and dealer‑facing operations.
This article details the development, mathematical foundations, iterative improvements, anti‑cheating measures, and practical impact of a hotness‑based ranking algorithm deployed to modernize and enhance content discovery on an automotive community forum.
