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Pan Zhi's Tech Notes
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Pan Zhi's Tech Notes

Sharing frontline internet R&D technology, dedicated to premium original content.

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Recent Articles

Latest from Pan Zhi's Tech Notes

43 recent articles
Pan Zhi's Tech Notes
Pan Zhi's Tech Notes
Mar 15, 2026 · Artificial Intelligence

How to Integrate OpenClaw with Enterprise WeChat Bot for Automatic Message Broadcasting

This guide walks through installing OpenClaw, selecting a cloud model, configuring an Enterprise WeChat robot, and using OpenClaw’s plugins to automatically broadcast identical messages to multiple groups, while highlighting practical tips, observed performance, and cost considerations of the AI‑driven workflow.

AI assistantEnterprise WeChatMessage Broadcasting
0 likes · 9 min read
How to Integrate OpenClaw with Enterprise WeChat Bot for Automatic Message Broadcasting
Pan Zhi's Tech Notes
Pan Zhi's Tech Notes
Jun 16, 2025 · Backend Development

How RocketMQ Guarantees No Message Loss, Duplication, or Disorder

This article explains RocketMQ’s architecture, the roles of NameServer, Broker, Producer, Consumer, and how each component ensures reliable message delivery—covering synchronous, asynchronous, and one‑way sending, storage mechanisms, consumer retries, dead‑letter queues, installation steps, and Java client integration with code examples.

InstallationJavaRocketMQ
0 likes · 20 min read
How RocketMQ Guarantees No Message Loss, Duplication, or Disorder
Pan Zhi's Tech Notes
Pan Zhi's Tech Notes
May 26, 2025 · Backend Development

Upgrade Your Microservice Gateway: Auto‑Routing and Load Balancing with Spring Cloud Gateway + Nacos

This guide walks through upgrading a Spring Cloud Gateway by integrating Nacos as a service registry and configuration center, showing how to enable automatic request forwarding, dynamic route loading, and load‑balancing with step‑by‑step code examples and configuration files.

Configuration CenterNacosSpring Cloud Gateway
0 likes · 16 min read
Upgrade Your Microservice Gateway: Auto‑Routing and Load Balancing with Spring Cloud Gateway + Nacos
Pan Zhi's Tech Notes
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
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.

NacosRate LimitingRule Persistence
0 likes · 14 min read
Persist Sentinel Rate‑Limiting Rules with Nacos to Prevent Loss After Restart
Pan Zhi's Tech Notes
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.

Circuit BreakingJavaRate Limiting
0 likes · 17 min read
Why Alibaba’s Open‑Source Sentinel Beats Other Service Rate‑Limiting Tools