Tag: #caching

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• The Complete Guide to Database Caching Strategy: In the End, It's All Invalidation ♪ Listenable

  Working from PostgreSQL 18, this guide builds caching up from the database outward: the cache layers that already exist — sharedbuffers and the OS cache — the computed cache that is a materialized view, the criteria for

  2026-08-15 · 24 min read #database#postgresql#caching#performance-tuning#architecture

• Your Deploy Is the Load Test — What Happens When Nobody Designs the Cost of Seeding the Cache

  A walk through how Canva moved the in-memory session revocation cache in its gateway from MySQL to S3. The problem was not the steady-state lookup cost but the startup cost of hundreds of pods seeding their caches simult

  2026-08-09 · 8 min read #architecture#caching#s3#scalability#deployment

• LLM Caching, Explained — Why Prompt Caching and Prefix Caches Save You Money

  Why does a matching prompt prefix cut costs to a tenth? The answer lives in the transformer's KV cache. Because attention is causal, the Key/Value vectors of earlier tokens never change no matter what comes after — so th

  2026-07-08 · 7 min read #ai#llm#caching#inference#performance

• Cache Invalidation, Explained

  "There are two hard things in computer science: cache invalidation and naming things." This post covers why caching is so hard, strategies like TTL, write-through, write-behind, and cache-aside, the cache stampede (dogpi

  2026-06-19 · 15 min read #performance#caching#systems

• In-memory Caching & KV Stores in 2026 — Redis 8 / Valkey / KeyDB / Dragonfly / Memcached / Garnet (Microsoft) / Speedb Deep Dive ♪ Listenable

  A snapshot of the great in-memory cache schism that Redis kicked off in March 2024 when it switched to RSALv2/SSPL — and where the dust has settled in May 2026. Redis 8 after the relicense, the Linux Foundation Valkey fo

  2026-05-16 · 24 min read #caching#key-value-store#redis#valkey#keydb

• CDN Complete Guide — Cache, Edge Compute, Origin Shield, and HTTP Caching Headers (2025)

  Everything about CDNs — the history of edge caching since Akamai in 1998, the routing trinity of Anycast plus DNS plus GSLB, the physical anatomy of PoPs and edge servers, Cache Key design and Vary header pitfalls, HTTP

  2026-04-15 · 15 min read #cdn#caching#edge-compute#cloudflare#fastly

• Performance & Core Web Vitals 2025 — LCP, CLS, INP, RUM, Image/Font/JS Optimization, Edge, CDN, HTTP/3 (S6 E6)

  Performance is not a feature — it is the precondition for every feature. The full 2025 Core Web Vitals map: LCP, CLS, INP (FID successor), RUM vs synthetic, critical rendering path, JS bundle diet, image/font optimizatio

  2026-04-15 · 7 min read #performance#core-web-vitals#lcp#cls#inp

• Web Performance Optimization Complete Guide 2025: Core Web Vitals, LCP/INP/CLS, Loading Strategies ♪ Listenable

  Everything about web performance optimization! Core Web Vitals (LCP/INP/CLS), image optimization (WebP/AVIF/lazy), bundle optimization (Tree Shaking/Code Splitting/Dynamic Import), caching strategies (Service Worker/CDN/

  2026-04-14 · 22 min read #web-performance#core-web-vitals#lcp#inp#cls

• Backend Performance Engineering Complete Guide 2025: Profiling, Load Testing, Bottleneck Analysis, Optimization ♪ Listenable

  Everything about backend performance! Profiling (CPU/Memory/I-O), load testing (k6/Artillery/Locust), bottleneck analysis (DB/Network/CPU/Memory), N+1 resolution, connection pool tuning, caching strategies (Redis/CDN/App

  2026-04-14 · 21 min read #backend-performance#profiling#load-testing#optimization#k6

• System Design Fundamentals — Scalability, Availability, Caching, and Message Queues

  Core concepts for designing large-scale systems. Horizontal/vertical scaling, load balancing, caching, message queues, database design, and the CAP theorem.

  2026-04-12 · 17 min read #architecture#system-design#scalability#caching#message-queue

• Cloudflare AI Gateway Practical Guide: Observability, Reliability, and Cost Control for AI Traffic

  A practical, current guide to Cloudflare AI Gateway as of April 12, 2026, covering observability, caching, retries, rate limiting, model fallback, and Dynamic Routing.

  2026-04-12 · 5 min read #ai-platform#cloudflare#ai-gateway#observability#caching

• System Design Interview Complete Guide 2025: Scalable Architecture, Availability, and Design Patterns ♪ Listenable

  Everything about system design interviews! 4-step framework, scalability (horizontal/vertical), load balancing, caching (Redis/CDN), DB sharding, CAP theorem, message queues, real-world designs (URL Shortener/Twitter/Net

  2026-03-25 · 21 min read #system-design#scalability#availability#load-balancing#caching

• Nginx Complete Guide 2025: Reverse Proxy, Load Balancing, SSL, Caching & Security

  Everything about Nginx! Event-driven architecture, reverse proxy configuration, load balancing (Round Robin/Least Conn/IP Hash), SSL/TLS setup, caching, rate limiting, WebSocket, Docker/K8s integration, and more.

  2026-03-24 · 18 min read #nginx#reverse-proxy#load-balancing#ssl#caching

• Redis Complete Guide 2025: Caching Strategies, Data Structures, Pub/Sub, and Redis Stack

  Everything about Redis! 5 data structures, caching patterns (Cache-Aside/Write-Through/Write-Behind), Pub/Sub, Redis Streams, Redis Stack (JSON/Search/TimeSeries), Lua scripting, Cluster architecture, and interview quest

  2026-03-23 · 19 min read #redis#caching#data-structures#pubsub#redis-stack

• Complete Guide to Redis Caching Strategies — 6 Practical Patterns from Cache-Aside to Write-Behind

  Covers 6 Redis caching strategies (Cache-Aside, Read-Through, Write-Through, Write-Behind, Refresh-Ahead, and Cache Stampede prevention) with code examples.

  2026-03-03 · 9 min read #database#redis#caching#cache-aside#write-through

• Nginx Configuration Complete Guide: 15 Essential Topics from Architecture to Production Optimization ♪ Listenable

  From Nginx event-driven architecture and configuration structure to reverse proxy, load balancing, SSL/TLS, caching, rate limiting, security headers, performance tuning, and health checks -- a comprehensive guide to 15 e

  2026-03-01 · 33 min read #nginx#reverse-proxy#load-balancing#ssl#tls