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Architect's Guide
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Architect's Guide

Dedicated to sharing programmer-architect skills—Java backend, system, microservice, and distributed architectures—to help you become a senior architect.

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Latest from Architect's Guide

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Architect's Guide
Architect's Guide
May 31, 2026 · Artificial Intelligence

10 Hot Open‑Source AI Projects on GitHub This Week (Last One Praised by Jensen Huang)

This article reviews the ten fastest‑growing open‑source AI projects on GitHub over the past week, detailing each project's core capabilities, architecture, and impact while highlighting three emerging trends: AI agents becoming production tools, the rise of edge and lightweight deployments, and accelerated open‑source contributions from major tech firms.

AI agentsEdge AIMultimodal
0 likes · 22 min read
10 Hot Open‑Source AI Projects on GitHub This Week (Last One Praised by Jensen Huang)
Architect's Guide
Architect's Guide
May 30, 2026 · Artificial Intelligence

Deep Dive into Hermes Agent: Memory Architecture That Makes AI Smarter

Hermes Agent is an open‑source, self‑hosted AI agent framework that combines a layered persistent memory system, automatic skill generation, a unified tool registry, and multi‑platform messaging gateways, enabling agents to retain knowledge across sessions and continuously improve their capabilities.

AI agentMemory ArchitectureOpen Source
0 likes · 58 min read
Deep Dive into Hermes Agent: Memory Architecture That Makes AI Smarter
Architect's Guide
Architect's Guide
May 29, 2026 · Artificial Intelligence

What Makes DeepSeek V4 Different? A Deep Technical Dive into Its Innovations

DeepSeek V4 introduces a suite of architectural breakthroughs—including mixed‑expert MoE, manifold‑constrained hyper‑connections, CSA/HCA hybrid attention, and FP4 quantization—that slash inference cost by up to tenfold while delivering million‑token context, competitive benchmarks, dual model variants, and a disruptive pricing strategy.

AI Model BenchmarkDeepSeek V4Efficient Attention
0 likes · 41 min read
What Makes DeepSeek V4 Different? A Deep Technical Dive into Its Innovations
Architect's Guide
Architect's Guide
May 28, 2026 · Artificial Intelligence

How Claude Code Prompt Caching Cuts AI Costs by Up to 90% and Boosts Efficiency

Prompt Caching in Anthropic's Claude Code replaces repeated processing of identical prompt prefixes with a prefix‑hash cache, slashing input‑token costs by up to 90%, reducing first‑token latency by 79%, and improving throughput, while preserving model output exactly as if no cache were used.

AI EngineeringCache InvalidationCache Metrics
0 likes · 30 min read
How Claude Code Prompt Caching Cuts AI Costs by Up to 90% and Boosts Efficiency
Architect's Guide
Architect's Guide
May 27, 2026 · Backend Development

Comprehensive Collection of Java Backend Architecture Diagrams

This article compiles over thirty detailed architecture diagrams covering Java class loaders, JVM, Spring, Hibernate, Android, Linux kernel, cloud computing, and various enterprise technologies, offering developers a visual reference library for understanding and designing Java backend systems.

Backend ArchitectureEnterprise ArchitectureHibernate
0 likes · 5 min read
Comprehensive Collection of Java Backend Architecture Diagrams
Architect's Guide
Architect's Guide
May 25, 2026 · Frontend Development

Is WebSocket Still the Best Choice for Real‑Time Push? A Comparison with SSE and Polling

The article compares three server‑to‑client push techniques—polling, WebSocket, and Server‑Sent Events (SSE)—detailing their mechanisms, advantages, drawbacks, browser compatibility, and suitable use cases, and provides step‑by‑step Node/Express demos showing how to implement SSE in a simple web page.

ExpressJavaScriptNode.js
0 likes · 12 min read
Is WebSocket Still the Best Choice for Real‑Time Push? A Comparison with SSE and Polling
Architect's Guide
Architect's Guide
May 23, 2026 · Databases

SQL Optimization: Cutting Query Time from 30,248 s to 0.001 s

This article walks through a MySQL 5.6 case study where a sub‑query that originally took over eight hours is accelerated to a few milliseconds by analyzing the execution plan, adding single‑column and composite indexes, rewriting the query as EXISTS or JOIN, and applying best‑practice indexing techniques.

JoinSQL optimizationexecution plan
0 likes · 13 min read
SQL Optimization: Cutting Query Time from 30,248 s to 0.001 s
Architect's Guide
Architect's Guide
May 22, 2026 · Databases

How Indexes Speed Up Database Queries: A Clear Explanation

The article explains how database indexes work by comparing them to a book’s table of contents, describes underlying storage mechanisms, demonstrates binary search on sorted records, and discusses the benefits, trade‑offs, and common pitfalls of using clustered and non‑clustered indexes.

Binary SearchClustered IndexDatabase Indexes
0 likes · 12 min read
How Indexes Speed Up Database Queries: A Clear Explanation
Architect's Guide
Architect's Guide
May 21, 2026 · Operations

Still Using Xshell? Discover Tabby’s Modern SSH and SFTP Features

This guide introduces Tabby, a cross‑platform open‑source terminal emulator with built‑in SSH and SFTP support, walks through installing the appropriate package, configuring remote connections, using the SFTP panel, and customizing themes and shortcuts for a smoother workflow.

SFTPSSHTabby
0 likes · 3 min read
Still Using Xshell? Discover Tabby’s Modern SSH and SFTP Features