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Latest from Manbang Technology Team

26 recent articles

Manbang Technology Team

Dec 9, 2021 · Mobile Development

Thresh: Enhancing Mobile App Performance with Flutter-Based Dynamicization and JSI Integration

Thresh is a Flutter-based cross-platform dynamic solution for frontend developers that integrates the JavaScript Engine Interface (JSI) to streamline communication between JavaScript and Dart, reducing serialization overhead and thread switching, thereby improving startup and rendering performance on mobile devices.

Cross‑platformFlutterJSI

0 likes · 16 min read

Thresh: Enhancing Mobile App Performance with Flutter-Based Dynamicization and JSI Integration

Manbang Technology Team

Sep 10, 2021 · Mobile Development

Upgrading React Native from 0.51 to 0.62: Performance Gains, Migration Strategy, and Deployment Plan

This article details the full migration of a large‑scale mobile app from React Native 0.51 to 0.62, covering background, major improvements such as Hermes engine adoption, extensive performance testing, risk‑controlled batch rollout, API compatibility handling, tooling support, CI/CD integration, and post‑deployment verification.

CI/CDHermesPerformance

0 likes · 20 min read

Upgrading React Native from 0.51 to 0.62: Performance Gains, Migration Strategy, and Deployment Plan

Manbang Technology Team

Jun 10, 2021 · Backend Development

Investigation of Sentinel QPS Mis‑reporting and Flow‑control Timing Bug

This article investigates why Sentinel’s QPS threshold of 20 is triggered at 15, analyzing metric logs, the underlying MetricNode and MetricTimerListener code, and revealing a timing discrepancy between second‑level and minute‑level counters that can cause premature flow‑control blocking.

Flow ControlJavaMetrics

0 likes · 10 min read

Investigation of Sentinel QPS Mis‑reporting and Flow‑control Timing Bug

Manbang Technology Team

May 10, 2021 · Backend Development

Understanding Sentinel Flow Control Rules and FlowSlot Implementation

This article explains Sentinel's flow control rule definition, the attributes of the FlowRule class, and how the FlowSlot, FlowRuleChecker, and related components evaluate and enforce these rules, including code examples and a discussion of different flow control strategies and node types.

FlowControlJavaRateLimiting

0 likes · 16 min read

Understanding Sentinel Flow Control Rules and FlowSlot Implementation

Manbang Technology Team

Apr 23, 2021 · Backend Development

Understanding Sentinel's Metric Statistics and Sliding Window Implementation

This article explains how Sentinel's metric statistics work, focusing on the sliding window algorithm used for rate limiting and the underlying architecture involving classes like StatisticNode and ArrayMetric.

Backend DevelopmentJava FrameworkMetric Statistics

0 likes · 10 min read

Understanding Sentinel's Metric Statistics and Sliding Window Implementation

Manbang Technology Team

Apr 16, 2021 · Backend Development

Deep Dive into Sentinel’s Core Slot‑Chain Mechanism and Entry Process

This article explains Sentinel’s internal flow‑control workflow by dissecting the entryWithPriority method, the construction of the ProcessorSlot chain, the role of each slot such as NodeSelectorSlot, ClusterBuilderSlot, StatisticSlot, and how the SPI‑based SlotChainBuilder enables extensible, high‑performance request limiting in Java middleware.

Backend DevelopmentFlow ControlJava

0 likes · 8 min read

Deep Dive into Sentinel’s Core Slot‑Chain Mechanism and Entry Process

Manbang Technology Team

Mar 30, 2021 · Mobile Development

Thresh: A Custom Flutter Dynamic Framework for Cross‑Platform Mobile Development

The article introduces Thresh, a self‑developed dynamic Flutter framework that enables one‑time development for Android, iOS and Web, explains its design goals, architecture, three‑stage evolution of mobile cross‑platform technologies, communication mechanisms, component update strategies, engineering practices, real‑world deployment at Manbang, and future enhancements.

Cross-PlatformDynamic UpdatesFlutter

0 likes · 19 min read

Thresh: A Custom Flutter Dynamic Framework for Cross‑Platform Mobile Development

Manbang Technology Team

Dec 19, 2020 · Backend Development

ebatis: An Elasticsearch ORM Framework for Simplified Query Building

ebatis is an Elasticsearch ORM framework that simplifies query building by providing a MyBatis-like interface, eliminating the need for manual DSL construction and enabling seamless version upgrades.

Backend DevelopmentElasticsearchJava

0 likes · 15 min read

ebatis: An Elasticsearch ORM Framework for Simplified Query Building

Manbang Technology Team

Dec 4, 2020 · Frontend Development

Improving Development and Release Efficiency through Standardization, Cross‑Platform, and Dynamic Frameworks in a Large Front‑End Team

The article describes how a large front‑end team tackled low development and release efficiency by standardizing UI components, adopting cross‑platform solutions such as React Native and Flutter, building dynamic configuration frameworks, and automating release processes, ultimately achieving faster, more reliable product delivery across multiple business units.

Standardizationdynamic-updatesfrontend

0 likes · 13 min read

Improving Development and Release Efficiency through Standardization, Cross‑Platform, and Dynamic Frameworks in a Large Front‑End Team

Manbang Technology Team

Nov 23, 2020 · Operations

Designing a Comprehensive Stability Assurance System for Large‑Scale Internet Services at Manbang

This article explains how Manbang built a rigorous stability‑assurance framework—including strict fault grading, a "watch‑and‑protect" system, blue‑green deployments, online pressure testing, fault‑drill platforms, and runtime metadata—to ensure rapid iteration while maintaining high availability for millions of logistics users.

fault tolerance

0 likes · 12 min read

Designing a Comprehensive Stability Assurance System for Large‑Scale Internet Services at Manbang