Go 后端面试知识库

后端八股 · 算法 · 面向 Go 后端方向 —— 纯静态幻灯片式知识卡片，← → 翻页，T 换主题

八股 64 算法 8 手撕 2 共 75 个知识点

后端八股 theory

Go 运行时、MySQL、Redis、Kafka、计算机网络、微服务、操作系统、数据结构、AI 工程，覆盖底层原理与面试高频题。

Go 语言

GMP 调度模型

theory/golang/gmp-scheduler.html

三色标记与混合写屏障

theory/golang/go-gc.html

内存分配与逃逸分析

theory/golang/memory-allocator.html

Channel 底层原理

theory/golang/channel-internals.html

sync 并发原语底层

theory/golang/sync-primitives.html

切片：结构与扩容

theory/golang/slice-internals.html

map 底层实现与扩容

theory/golang/map-internals.html

interface 底层实现

theory/golang/interface-internals.html

defer / panic / recover 机制

theory/golang/defer-panic-recover.html

MySQL

事务与 ACID · InnoDB 事务模型

theory/mysql/transaction-basics.html

MVCC 多版本并发控制

theory/mysql/mvcc.html

B+ 树索引与 EXPLAIN

theory/mysql/index-btree.html

InnoDB 锁体系与死锁

theory/mysql/lock-internals.html

三大日志与 crash-safe

theory/mysql/log-redo-undo-binlog.html

主从复制与高可用

theory/mysql/replication.html

Redis

单线程模型与高性能

theory/redis/thread-model.html

对象系统与底层数据结构

theory/redis/data-structures.html

RDB / AOF / 混合持久化

theory/redis/persistence.html

缓存三大问题与双写一致性

theory/redis/cache-patterns.html

theory/redis/distributed-lock.html

过期删除与内存淘汰

theory/redis/memory-policy.html

主从 / 哨兵 / Cluster

theory/redis/replication-cluster.html

Kafka

底层原理与高吞吐

theory/kafka/kafka-internals.html

生产者内核：发送 / 幂等 / 事务

theory/kafka/producer-internals.html

消费者与消费者组

theory/kafka/consumer-internals.html

副本机制与数据一致性

theory/kafka/replication-consistency.html

计算机网络

TCP 三次握手与四次挥手

theory/network/tcp-connection-management.html

HTTP 与 Protobuf 底层原理

theory/network/http-protobuf-internals.html

微服务

微服务架构总览

theory/microservice/microservice-overview.html

服务注册与发现

theory/microservice/service-discovery.html

服务间通信与 RPC

theory/microservice/rpc-communication.html

theory/microservice/api-gateway.html

theory/microservice/load-balancing.html

熔断 · 降级 · 容错

theory/microservice/service-resilience.html

theory/microservice/rate-limiting.html

分布式事务

theory/microservice/distributed-transaction.html

幂等性设计

theory/microservice/idempotency.html

theory/microservice/distributed-id.html

theory/microservice/config-center.html

theory/microservice/observability.html

theory/microservice/service-mesh.html

操作系统

操作系统总览：内核态与系统调用

theory/os/os-overview.html

进程、线程与协程

theory/os/process-thread.html

CPU 调度：CFS 与 EEVDF

theory/os/process-scheduling.html

进程间通信 IPC

theory/os/ipc.html

同步与互斥

theory/os/thread-sync.html

theory/os/deadlock.html

虚拟内存与分页

theory/os/virtual-memory.html

页面置换算法

theory/os/page-replacement.html

进程内存布局与堆分配

theory/os/memory-layout.html

文件系统与 Page Cache

theory/os/file-system.html

I/O 模型与 epoll

theory/os/io-model.html

theory/os/zero-copy.html

数据结构

数组与链表

theory/data-structure/array-linkedlist.html

theory/data-structure/stack-queue.html

theory/data-structure/hash-table.html

二叉树与遍历

theory/data-structure/binary-tree.html

平衡树：AVL / 红黑树 / B+ 树

theory/data-structure/balanced-tree.html

堆与优先队列

theory/data-structure/heap.html

theory/data-structure/trie.html

theory/data-structure/union-find.html

theory/data-structure/skip-list.html

布隆过滤器

theory/data-structure/bloom-filter.html

AI 工程

pi Agent：极简 Agent Runtime 源码解析

theory/ai/pi-agent.html

算法 algorithm

解题思路、模板代码、复杂度分析、典型题目（LeetCode）。

算法思想

复杂度分析

algorithm/complexity/complexity-analysis.html

algorithm/sorting/sorting-algorithms.html

algorithm/binary-search/binary-search.html

algorithm/dp/dp-basics.html

algorithm/greedy/greedy-basics.html

algorithm/backtracking/backtracking-basics.html

algorithm/sliding-window/sliding-window.html

algorithm/graph/graph-algorithms.html

手撕实现 implement

算法与数据结构的 Go 手写实现：理论思路 + 可背代码，本机实测验证。

排序

implement/sorting/quick-sort.html

数据结构

implement/data-structure/lru-cache.html

implement/data-structure/skip-list.html