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Xiaolin Talks Programming
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Xiaolin Talks Programming

Focuses on sharing original technical insights. Senior architect at a top tech company with years of experience in technical architecture and management, and extensive interview experience. Offers one-on-one technical coaching, guiding you from beginner to architecture design to technical management. Follow for free learning resources. Free one-on-one interview coaching to help you land offers quickly.

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Recent Articles

Latest from Xiaolin Talks Programming

51 recent articles
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 15, 2026 · Backend Development

Building an Enterprise OAuth2 Authorization Server with Spring Boot and Spring Authorization Server: Complete Guide

This guide walks through building a production-ready OAuth2/OIDC authorization server using Spring Boot 3.x and Spring Authorization Server 1.3, covering client registration, authorization code flow with PKCE, custom JWT claims, RSA key rotation, MFA integration, and deployment best practices.

JWTKey RotationMFA
0 likes · 37 min read
Building an Enterprise OAuth2 Authorization Server with Spring Boot and Spring Authorization Server: Complete Guide
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 13, 2026 · Backend Development

Spring Boot Startup Optimization: From 6.2s to 1.8s via Profiling, Lazy Loading & Event-Driven Init

A real-world case study shows how systematic profiling with Spring Boot Actuator and JFR, combined with scan-scope reduction, selective @Lazy on external clients, HikariCP deferred connection, and ApplicationReadyEvent-driven async initialization cut a Spring Boot 3.1.5 order-service startup from 6.2 seconds to 1.8 seconds on Java 17.

Event-Driven InitializationHikariCPLazy Loading
0 likes · 22 min read
Spring Boot Startup Optimization: From 6.2s to 1.8s via Profiling, Lazy Loading & Event-Driven Init
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 12, 2026 · Backend Development

Spring Boot SM2/SM3/SM4 Integration: Pitfalls, Key Management & Performance Tuning

This article details practical integration of Chinese national cryptographic algorithms SM2, SM3, and SM4 into Spring Boot, covering dependency setup, encryption/decryption, signing/verification, anti-replay protection, JWT implementation, TLS offloading via Nginx, key rotation strategies, and performance optimizations that raised throughput from 300 to 1300 TPS.

Chinese CryptographyKey RotationMLPS Compliance
0 likes · 20 min read
Spring Boot SM2/SM3/SM4 Integration: Pitfalls, Key Management & Performance Tuning
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 11, 2026 · Backend Development

Spring Boot SSE Integration: Simpler Server Push Without WebSocket Overhead

This article details implementing Server-Sent Events (SSE) in Spring Boot for real-time server-to-client push, covering SseEmitter endpoints, connection registry with cleanup, heartbeat, Last-Event-ID reconnection, cluster broadcasting via Redis Pub/Sub, Base64 binary transfer, and production tuning for Nginx and thread pools.

EventSourceReal-time PushRedis Pub/Sub
0 likes · 17 min read
Spring Boot SSE Integration: Simpler Server Push Without WebSocket Overhead
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 9, 2026 · Backend Development

Spring Boot Sa-Token Integration: High-Availability Auth with Dynamic Permissions & Replay Protection

This article details integrating Sa-Token 1.37.0 with Spring Boot 2.7.x and Redis 6.x for authentication, covering dependency setup, configuration, login implementation, dynamic permission via StpInterface, API replay protection using nonce/timestamp/signature, cluster deployment, comparison with Spring Security+JWT, and production pitfalls.

AuthenticationAuthorizationCluster Deployment
0 likes · 22 min read
Spring Boot Sa-Token Integration: High-Availability Auth with Dynamic Permissions & Replay Protection
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 5, 2026 · Backend Development

Migrating Log Platform from Elasticsearch to ClickHouse: Table Design, Materialized Views & Tuning Lessons

The author details migrating a high-volume logging platform from Elasticsearch to ClickHouse, covering schema design with ReplicatedMergeTree, Spring Boot integration via JDBC and MyBatis, materialized views for pre-aggregation, and optimization techniques like skip indexes, batch inserts, and capacity planning.

ClickHouseElasticsearchKafka
0 likes · 21 min read
Migrating Log Platform from Elasticsearch to ClickHouse: Table Design, Materialized Views & Tuning Lessons
Xiaolin Talks Programming
Xiaolin Talks Programming
Sep 4, 2026 · Backend Development

Spring Boot High-Concurrency Distributed ID Generation: Snowflake Algorithm, Clock Drift Handling & Performance Optimization

This article walks through implementing Twitter's Snowflake algorithm in Spring Boot for distributed ID generation, covering 64-bit structure, clock drift mitigation strategies (wait, error, historical compensation), pre-generated ID pools with double buffering for 120k QPS, MyBatis-Plus integration, and Meituan Leaf design insights.

MyBatis-PlusPerformance Optimizationclock-drift
0 likes · 17 min read
Spring Boot High-Concurrency Distributed ID Generation: Snowflake Algorithm, Clock Drift Handling & Performance Optimization