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Su San Talks Tech

Su San, former staff at several leading tech companies, is a top creator on Juejin and a premium creator on CSDN, and runs the free coding practice site www.susan.net.cn.

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Latest from Su San Talks Tech

100 recent articles max

Su San Talks Tech

Jul 28, 2026 · Information Security

Fastjson 1.x Exposes Critical CVSS 9.8 RCE Vulnerability and What to Do

Fastjson 1.x (versions 1.2.66‑1.2.83) contains a CVSS 9.8 remote‑code‑execution flaw that works with default settings, was disclosed in July 2026, and sparked heated community debate, while the library had already been unmaintained since 2024 and official guidance now recommends migration to Fastjson 2.x or enabling SafeMode.

FastjsonJavaOpen Source Security

0 likes · 9 min read

Fastjson 1.x Exposes Critical CVSS 9.8 RCE Vulnerability and What to Do

Su San Talks Tech

Jul 28, 2026 · Artificial Intelligence

Why Are Big Tech Companies Dropping MCP for CLI?

The article analyzes the shift from Model Context Protocol (MCP) to command‑line interfaces (CLI) for AI agents, detailing MCP’s architectural complexity, token bloat, security risks, and passive tool design, while highlighting CLI’s on‑demand loading, composability, debugging ease, and growing enterprise adoption.

AI AgentsCLICommand Line Interface

0 likes · 14 min read

Why Are Big Tech Companies Dropping MCP for CLI?

Su San Talks Tech

Jul 27, 2026 · Cloud Native

Apollo vs Nacos: Which Configuration Center Is Truly Better?

This article analytically compares Apollo and Nacos—two leading configuration centers for microservices—by examining their design philosophies, setup procedures, core features, real‑time push mechanisms, data models, performance, operational overhead, and community support, ultimately offering guidance on selecting the most suitable solution for different project scenarios.

ApolloConfiguration CenterDynamic Refresh

0 likes · 25 min read

Apollo vs Nacos: Which Configuration Center Is Truly Better?

Su San Talks Tech

Jul 26, 2026 · Artificial Intelligence

Why OpenCode Is a Powerful Open‑Source Alternative to Claude Code

OpenCode is an open‑source AI coding assistant with over 170k GitHub stars that supports 75+ models, dual Plan/Build agents, and cross‑platform terminals, offering a detailed installation guide, CLI commands, and a full‑stack project demo that highlights both its strengths and current limitations.

AI coding assistantCLIClaude Code

0 likes · 6 min read

Why OpenCode Is a Powerful Open‑Source Alternative to Claude Code

Su San Talks Tech

Jul 25, 2026 · Artificial Intelligence

What Exactly Is Graph Engineering and Why It’s Trending in AI?

Graph Engineering isn’t a brand‑new technology but a shift from single‑agent loops to a network of specialized nodes, edges, and shared state that lets multiple AI agents collaborate, run in parallel, and avoid context decay, with practical LangGraph examples, pros, cons, and when to adopt it.

AI WorkflowDAGGraph Engineering

0 likes · 23 min read

What Exactly Is Graph Engineering and Why It’s Trending in AI?

Su San Talks Tech

Jul 24, 2026 · Backend Development

Why More Teams Are Choosing Spring WebFlux for High‑Concurrency Applications

The article explains how Spring WebFlux replaces the thread‑per‑request model with an event‑loop, non‑blocking I/O and reactive streams, offering higher resource efficiency, built‑in back‑pressure, and better support for real‑time data, while also discussing its drawbacks and when virtual threads may be a viable alternative.

BackpressureCloud NativeR2DBC

0 likes · 18 min read

Why More Teams Are Choosing Spring WebFlux for High‑Concurrency Applications

Su San Talks Tech

Jul 22, 2026 · Artificial Intelligence

Getting Started with AgentScope-Java: Build Enterprise AI Agents in Minutes

This guide introduces AgentScope-Java, Alibaba's open‑source Java framework for building production‑grade AI agents, explains how it solves the lack of Java‑native agent tools, compares it with Spring AI Alibaba, walks through core concepts, installation, tool registration, multi‑agent orchestration, underlying architecture, distributed deployment, real‑world examples, and evaluates its strengths and limitations.

AI AgentsAgentScopeHarnessAgent

0 likes · 27 min read

Getting Started with AgentScope-Java: Build Enterprise AI Agents in Minutes

Su San Talks Tech

Jul 21, 2026 · Backend Development

Why Apache PDFBox Is Becoming the Go-To Java PDF Library

This article provides a comprehensive guide to Apache PDFBox, covering its licensing advantages, latest version, installation steps, core APIs for creating, editing, extracting, merging, encrypting and signing PDFs, underlying architecture, migration tips, performance considerations, and real‑world use cases.

Apache PDFBoxJavaOpen-source libraries

0 likes · 18 min read

Why Apache PDFBox Is Becoming the Go-To Java PDF Library

Su San Talks Tech

Jul 20, 2026 · Backend Development

What’s New in Jackson 3? A Complete Migration Guide

This article explains the major breaking changes introduced in Jackson 3—including the JDK 17 baseline, package and groupId renames, immutable JsonMapper, unchecked exceptions, default configuration shifts, performance tweaks, and module consolidation—while providing step‑by‑step migration advice and a quick‑reference table for developers upgrading from Jackson 2.

JSONJacksonJava

0 likes · 16 min read

What’s New in Jackson 3? A Complete Migration Guide

Su San Talks Tech

Jul 20, 2026 · Artificial Intelligence

A Game-Changing AI Skill for Instant Architecture Diagrams

The article introduces the open‑source architecture‑diagram‑generator skill, an AI‑powered tool that creates high‑quality system architecture and process‑flow diagrams from plain text, outlines its zero‑design barrier features, shows how to install it from GitHub, and demonstrates usage with concrete command examples and screenshots.

AI diagram generatorCocoon-AIGitHub

0 likes · 5 min read

A Game-Changing AI Skill for Instant Architecture Diagrams