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Latest from HaoDF Tech Team

21 recent articles

HaoDF Tech Team

Sep 15, 2021 · Artificial Intelligence

Optimizing Question‑Answer Search Similarity in Haodf Online: A Semantic Similarity Model Case Study

This article describes how Haodf Online improved its medical question‑answer search by analyzing search challenges, adopting semantic similarity models based on pre‑trained language embeddings, designing contrastive training tasks, and evaluating the resulting increase in click‑through rate and user engagement.

Model Optimizationmedical-ainatural language processing

0 likes · 12 min read

Optimizing Question‑Answer Search Similarity in Haodf Online: A Semantic Similarity Model Case Study

HaoDF Tech Team

Apr 21, 2021 · Frontend Development

How Vue‑SSR Solved SEO and Performance Challenges at Haodafu Online

This article analyzes the adoption of Vue Server‑Side Rendering at Haodafu Online, detailing its advantages for SEO and fast content delivery, the architectural integration with an existing Express/Node stack, performance testing results, degradation strategies, remaining issues, and future improvement plans.

Frontend ArchitectureNode.jsSSR

0 likes · 13 min read

How Vue‑SSR Solved SEO and Performance Challenges at Haodafu Online

HaoDF Tech Team

Feb 2, 2021 · Artificial Intelligence

AI‑Based Structuring of Medical Examination Reports: OCR, Text Detection, Classification, and NER

This article describes how a Chinese online medical platform tackled the large‑scale extraction and structuring of hospital report images by combining OCR, deep‑learning text‑region detection, fast text classification, and advanced NER techniques, detailing challenges, algorithm choices, performance results, and remaining issues.

AINERNLP

0 likes · 19 min read

AI‑Based Structuring of Medical Examination Reports: OCR, Text Detection, Classification, and NER

HaoDF Tech Team

Nov 25, 2020 · Operations

Microservice Governance and Stability Platform at Haodf.com: Architecture, Monitoring, and SLO Design

The article presents a comprehensive case study of Haodf.com's transition to a micro‑service architecture, detailing the challenges of service stability and observability, the design of a unified governance platform with log‑holographic analysis, real‑time alerts, application profiling, SLO/SLA definition, and future roadmap for capacity and reliability improvements.

MicroservicesSLOlogging

0 likes · 16 min read

Microservice Governance and Stability Platform at Haodf.com: Architecture, Monitoring, and SLO Design

HaoDF Tech Team

Nov 17, 2020 · Backend Development

Introduction to API Gateway and Kong Implementation at Haodf

This article introduces the fundamentals of API gateways, explains why Haodf replaced Nginx with Kong, details Kong's architecture, plugins, traffic segmentation, rate‑limiting strategies, monitoring, and operational considerations for deploying Kong in a micro‑service environment.

Backend DevelopmentKongapi-gateway

0 likes · 16 min read

Introduction to API Gateway and Kong Implementation at Haodf

HaoDF Tech Team

Oct 9, 2020 · Operations

Automated Deployment Solution for HaoDF WeChat Mini Programs

This article describes how HaoDF built an automated, visual CI/CD pipeline for its WeChat mini programs, replacing manual testing and release steps with a platform that handles environment configuration, QR‑code generation, code merging, and deployment while improving efficiency, reducing errors, and supporting future scaling.

DevOpsOperationsWeChat Mini Program

0 likes · 9 min read

Automated Deployment Solution for HaoDF WeChat Mini Programs

HaoDF Tech Team

Sep 18, 2020 · Mobile Development

Integrating Swift into an Existing iOS Client: Preparation, Framework Design, and Common Issues

This article outlines the preparation, framework redesign, and common challenges of integrating Swift into an existing Objective‑C iOS client, covering ABI stability, mixed compilation, module configuration, code standards, and future migration plans.

CocoaPodsMobile DevelopmentObjective‑C

0 likes · 12 min read

Integrating Swift into an Existing iOS Client: Preparation, Framework Design, and Common Issues

HaoDF Tech Team

Sep 7, 2020 · Operations

Analyzing Latency and Slow Interface Detection in a Full‑Chain Monitoring System

This article explains how latency is used as a key indicator for application risk identification, defines slow interfaces, describes why percentile‑based thresholds are preferred over averages, and outlines the architecture, task workflow, and practical optimization strategies for a full‑chain monitoring system in a microservice environment.

LatencyMicroservicesSRE

0 likes · 14 min read

Analyzing Latency and Slow Interface Detection in a Full‑Chain Monitoring System

HaoDF Tech Team

Aug 19, 2020 · Big Data

Practical Guide to Apache Sentry and Kerberos Integration for Hadoop Access Control

This article explains the principles, architecture, features, and step‑by‑step deployment of Apache Sentry with Kerberos to provide role‑based access control across Hadoop components such as Hive, Impala, and HDFS, including command‑line examples and visual diagrams.

Apache SentryHadoopKerberos

0 likes · 13 min read

Practical Guide to Apache Sentry and Kerberos Integration for Hadoop Access Control

HaoDF Tech Team

Aug 4, 2020 · Information Security

Integrating Kerberos Authentication into a Big Data Platform for Secure Data Access

This article explains the background, principles, key concepts, workflow, and step‑by‑step deployment of Kerberos authentication on a Cloudera CDH big‑data cluster to protect sensitive medical data, and discusses its reliability and best‑practice configurations.

Apache SentryAuthenticationCloudera

0 likes · 13 min read

Integrating Kerberos Authentication into a Big Data Platform for Secure Data Access