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Selected Java Interview Questions
Selected Java Interview Questions
Jul 23, 2025 · Backend Development

Designing an Enterprise‑Level Unified Push Service: Architecture, Channels, and Scalability

This article explains how to build a unified, enterprise‑grade push platform that consolidates email, SMS, chat, DingTalk, WeChat and other social channels, outlines its evolutionary stages from modular modules to a full‑blown service, and details the functional, non‑functional and architectural components required for high‑performance, scalable notification delivery.

MicroservicesPush ServiceScalability
0 likes · 15 min read
Designing an Enterprise‑Level Unified Push Service: Architecture, Channels, and Scalability
Top Architect
Top Architect
Jun 25, 2024 · Backend Development

Design and Evolution of an Enterprise Unified Push Service

This article outlines the architecture, evolution stages, functional requirements, non‑functional requirements, and component design of a scalable enterprise‑level unified push service that supports multi‑channel notifications such as email, SMS, chat, and mobile push, while addressing high performance, availability, and extensibility.

BackendPush ServiceScalability
0 likes · 16 min read
Design and Evolution of an Enterprise Unified Push Service
360 Quality & Efficiency
360 Quality & Efficiency
Aug 18, 2023 · Backend Development

Performance Testing and Scalability Evaluation of a Miop‑Based Push Service

This report details the design, deployment, and extensive performance testing of a Miop protocol‑based push service, describing the test environment, methodology, multi‑stage load tests up to one million concurrent connections, observed metrics, encountered issues, and recommendations for ensuring stability and scalability.

MiopPush Serviceconcurrency
0 likes · 10 min read
Performance Testing and Scalability Evaluation of a Miop‑Based Push Service
37 Interactive Technology Team
37 Interactive Technology Team
Sep 26, 2022 · Frontend Development

Web Push Notification Implementation with Firebase

This guide details how to implement web push notifications with Firebase, explaining the underlying push principles, step‑by‑step project setup—including service‑worker registration, token management, and message handling for both notification and data payloads—while also addressing common issues such as service‑worker updates, cross‑browser compatibility, and permission management.

Notification APIPush ServiceService Worker
0 likes · 12 min read
Web Push Notification Implementation with Firebase
ByteDance Data Platform
ByteDance Data Platform
Aug 24, 2022 · Big Data

How ByteDance Guarantees Real‑Time Data Point Quality with Scalable Validation

This article explains ByteDance's end‑to‑end data‑point (埋点) validation system, covering its technical challenges—usability, accuracy, real‑time visibility, stability, and extensibility—along with SDK integration, QR‑code workflow, JSON‑Schema verification, push‑service architecture, SLA metrics, and future automation plans.

Big DataJSON SchemaPush Service
0 likes · 11 min read
How ByteDance Guarantees Real‑Time Data Point Quality with Scalable Validation
vivo Internet Technology
vivo Internet Technology
Dec 16, 2021 · Industry Insights

How Vivo Scaled Push, Storage, 3D, and Live Streaming for 270M Users

The 2021 Vivo Developer Conference showcased how the company’s engineering teams built high‑performance push services, a self‑developed storage platform, a full‑link 3D display system, a front‑end code‑coverage tool, a traffic replay solution, and a customizable live‑streaming SDK to support hundreds of millions of users.

3d-visualizationPush ServiceStorage Platform
0 likes · 8 min read
How Vivo Scaled Push, Storage, 3D, and Live Streaming for 270M Users
Top Architect
Top Architect
Oct 21, 2020 · Backend Development

Design and Optimization of High‑Concurrency Push Services Using Netty

This article analyzes common questions about Netty‑based push services, presents a real‑world IoT case study, and provides detailed design guidelines—including kernel tuning, connection handling, heartbeat configuration, buffer management, memory pooling, logging pitfalls, TCP and JVM tuning—to help engineers build stable, scalable, and high‑performance million‑connection push systems.

MemoryNettyPush Service
0 likes · 24 min read
Design and Optimization of High‑Concurrency Push Services Using Netty
Architecture Digest
Architecture Digest
Oct 21, 2020 · Backend Development

Design and Optimization of Massive Push Services Using Netty

This article analyzes the challenges of large‑scale mobile and IoT push services, presents a real‑world Netty case study, and provides detailed design guidelines—including file‑descriptor tuning, heartbeat handling, buffer management, memory pooling, and JVM/TCP tuning—to build stable, high‑performance backend push systems.

JavaMemory OptimizationPush Service
0 likes · 23 min read
Design and Optimization of Massive Push Services Using Netty
Art of Distributed System Architecture Design
Art of Distributed System Architecture Design
May 3, 2015 · Backend Development

Designing Scalable Netty Push Services: Real‑World IoT Lessons

This article analyzes common push‑service questions, presents a memory‑leak case from an IoT MQTT middleware, and provides detailed Netty design guidelines—including file‑handle limits, CLOSE_WAIT handling, thread and task management, heartbeat tuning, buffer allocation, memory‑pool usage, logging pitfalls, TCP and JVM optimizations—to help engineers build stable, high‑performance million‑connection push servers.

IoTNettyPush Service
0 likes · 23 min read
Designing Scalable Netty Push Services: Real‑World IoT Lessons
Qunar Tech Salon
Qunar Tech Salon
Mar 13, 2015 · Backend Development

Design and Optimization of Massive Push Services Using Netty

This article analyzes common push‑service questions, presents a real‑world IoT case of memory leakage, and outlines key design points—including kernel limits, CLOSE_WAIT handling, heartbeat configuration, buffer management, memory pooling, logging pitfalls, TCP tuning, and JVM settings—to build a scalable, stable Netty‑based push server for millions of concurrent connections.

Backend DevelopmentJavaNetty
0 likes · 24 min read
Design and Optimization of Massive Push Services Using Netty