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Pan Zhi's Tech Notes

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Latest from Pan Zhi's Tech Notes

39 recent articles

Pan Zhi's Tech Notes

May 19, 2025 · Cloud Native

Master Spring Cloud Gateway in 3 Minutes – Complete Service Gateway Guide

This article introduces Spring Cloud Gateway as a high‑performance replacement for Zuul, explains its core components (Route, Predicate, Filter) and request flow, provides step‑by‑step setup of a gateway project, demonstrates route configuration, custom GlobalFilter and GatewayFilter implementations, and validates the behavior with example requests.

API GatewayCustom FilterJava

0 likes · 17 min read

Master Spring Cloud Gateway in 3 Minutes – Complete Service Gateway Guide

Pan Zhi's Tech Notes

May 12, 2025 · Backend Development

How to Use SpringBoot, Dubbo, and Seata to Solve Distributed Transaction Data Inconsistency

This article walks through integrating SpringBoot, Dubbo, and Seata to implement reliable distributed transactions, covering project setup, Maven dependencies, service definitions, Nacos registration, configuration files, testing normal commits and rollbacks, and troubleshooting version incompatibilities.

DubboJavaMySQL

0 likes · 17 min read

How to Use SpringBoot, Dubbo, and Seata to Solve Distributed Transaction Data Inconsistency

Pan Zhi's Tech Notes

May 7, 2025 · Backend Development

How Seata Guarantees Zero-Error Cross-Database Transactions: Theory and Full Demo

This article explains Seata's distributed transaction architecture, details the AT transaction mode, walks through single‑node and cluster deployments, and provides complete code examples for stock and order services that demonstrate both successful commits and automatic rollbacks in a microservice environment.

AT ModeMySQLSeata

0 likes · 25 min read

How Seata Guarantees Zero-Error Cross-Database Transactions: Theory and Full Demo

Pan Zhi's Tech Notes

May 6, 2025 · Backend Development

Persist Sentinel Rate‑Limiting Rules with Nacos to Prevent Loss After Restart

The article explains why Sentinel rate‑limiting rules disappear after a client restart, demonstrates how to store those rules permanently in Nacos by creating a JSON configuration, adding a Nacos data source to the Sentinel client, and modifying the Sentinel Dashboard source code to achieve bidirectional synchronization, followed by verification steps.

NacosRule PersistenceSentinel

0 likes · 14 min read

Persist Sentinel Rate‑Limiting Rules with Nacos to Prevent Loss After Restart

Pan Zhi's Tech Notes

Apr 27, 2025 · Cloud Native

Why Alibaba’s Open‑Source Sentinel Beats Other Service Rate‑Limiting Tools

This article introduces Sentinel, Alibaba’s open‑source traffic‑governance component, compares it with Hystrix, demonstrates quick‑start code, shows SpringBoot integration, annotation usage, console setup, and OpenFeign adaptation, illustrating how to implement service rate limiting and circuit breaking in microservices.

JavaSentinelcircuit breaking

0 likes · 17 min read

Why Alibaba’s Open‑Source Sentinel Beats Other Service Rate‑Limiting Tools

Pan Zhi's Tech Notes

Apr 23, 2025 · Backend Development

How to Seamlessly Integrate Spring Boot with Dubbo for Remote Service Calls

This tutorial walks through integrating Dubbo with Spring Boot using Nacos as the service registry, showing how to create a shared API module, configure provider and consumer Maven projects, annotate services with @Service and @Reference, and verify successful RPC calls via a simple REST endpoint.

DubboNacosRPC

0 likes · 12 min read

How to Seamlessly Integrate Spring Boot with Dubbo for Remote Service Calls

Pan Zhi's Tech Notes

Apr 22, 2025 · Industry Insights

Why Did Google and Baidu, Founded Around the Same Time, End Up So Different?

The article compares Google and Baidu, examining how divergent technology ecosystems, advertising approaches, and market environments have led the two similarly timed companies to follow markedly different growth trajectories.

Advertising StrategyBaiduBusiness Strategy

0 likes · 5 min read

Why Did Google and Baidu, Founded Around the Same Time, End Up So Different?

Pan Zhi's Tech Notes

Apr 21, 2025 · Cloud Native

Build a Clean Microservice Config Center with Nacos in One Step

This article walks through using Nacos as a centralized configuration center for Spring Cloud microservices, showing how to create configuration data, set up a Maven client, enable dynamic refresh with @RefreshScope, and manage multi‑environment and multi‑file configurations.

@RefreshScopeCloud NativeConfiguration Center

0 likes · 16 min read

Build a Clean Microservice Config Center with Nacos in One Step

Pan Zhi's Tech Notes

Apr 16, 2025 · Cloud Native

Quick 3‑Minute Guide to the Full Spring Cloud Alibaba Suite

This article introduces Spring Cloud Alibaba, outlines its key components such as Nacos, Dubbo, Sentinel, RocketMQ and Seata, explains how to manage its versions with Maven, highlights compatibility checks, and compares the first‑ and second‑generation Spring Cloud stacks.

DubboNacosRocketMQ

0 likes · 8 min read

Quick 3‑Minute Guide to the Full Spring Cloud Alibaba Suite

Pan Zhi's Tech Notes

Apr 15, 2025 · Cloud Native

Spring Cloud Integration with Sleuth for Service Traceability: Hands‑On Guide

This tutorial walks through integrating Spring Cloud Sleuth and Zipkin to achieve distributed service tracing in a microservice architecture, covering the underlying concepts, step‑by‑step implementation, log analysis, and optional asynchronous log collection via RabbitMQ.

SleuthSpring CloudZipkin

0 likes · 15 min read

Spring Cloud Integration with Sleuth for Service Traceability: Hands‑On Guide