yasinshaw
7aa971f511
Added 3 comprehensive interview documents covering Netty and Java NIO: **1. Netty Core Principles (Netty核心原理.md)** - Core components: Channel, EventLoop, ChannelPipeline, ByteBuf - Reactor threading model (single/multi-threaded, master-slave) - ByteBuf vs Java NIO ByteBuffer - Zero-copy implementation (4 approaches) - ChannelPipeline and ChannelHandler - TCP sticky/unpacking problem solutions - Heartbeat mechanism **2. Java NIO Core Principles (Java NIO核心原理.md)** - NIO vs BIO comparison - Three core components: Channel, Buffer, Selector - Selector multiplexing mechanism - Channel vs Stream differences - Buffer core attributes and usage - Non-blocking I/O implementation - Zero-copy with transferTo and MappedByteBuffer **3. Netty Practice Scenarios (Netty实战场景.md)** - High-performance RPC framework design - WebSocket server implementation - Million-connection IM system architecture - Memory leak detection and resolution - Graceful shutdown implementation - Heartbeat and reconnection mechanisms Each document includes: - Detailed problem descriptions - Complete code examples (Java) - Architecture diagrams - Best practices - Performance optimization tips - P7-level bonus points Total: 3 documents, covering: - Theoretical foundations - Practical implementations - Production scenarios - Performance tuning - Common pitfalls Suitable for backend P7 interview preparation. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>
后端面试准备 - P7 级别
项目概述
这是一个用于记录和追踪后端 P7 级别面试问题和答案的项目。
目录结构
questions/- 面试问题记录（按主题分类）answers/- 详细答案和知识点梳理progress.md- 面试准备进度追踪
面试官设定
- 角色：资深后端面试官
- 目标职级：P7（阿里 P7 相当于资深专家/技术专家）
- 技术栈：Go/Java/Node.js、微服务、分布式系统、数据库、缓存、消息队列等
使用方式
- 面试官会随机提问不同领域的问题
- 回答后，面试官会给出参考答案和点评
- 所有问题和答案会记录在项目中
- 追踪薄弱环节，重点复习
Git 提交策略
每次面试会话后会提交一个新的 git 版本，方便追踪历史记录。