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News

DEV Community
dev.to > mohammad_abdullah121 > redis-is-not-your-database-designing-cache-failures-fallbacks-and-resilient-backends-15op

Redis Is Not Your Database: Designing Cache Failures, Fallbacks, and Resilient Backends

20+ hour, 43+ min ago   (724+ words) Redis can make a backend dramatically faster. It can also make a backend dramatically more fragile if the architecture treats the cache as a dependency that must always be available. The distinction is simple: A database stores authoritative data. A…...

DEV Community
dev.to > aniruddhagawali > i-thought-redis-would-save-my-api-just-500-requests-proved-me-wrong-1kam

I Thought Redis Would Save My API. Just 500 Requests Proved Me Wrong.

21+ hour, 14+ min ago   (243+ words) As our series continues, Deep-Dive Backend Systems Roadmap. I created the simplest weather API... Tagged with webdev, distributedsystems, redis, programming....

Medium
medium.com > @ritanshbagal > why-is-redis-so-fast-understanding-the-in-memory-database-f2a3040611fb

Why Is Redis So Fast? Understanding the In-Memory Database

22+ hour, 13+ min ago   (27+ words) Redis can deliver extremely low-latency reads and writes. Here’s how in-memory storage, persistence, data structures, and its mostly …...

InfoQ
infoq.com > news > 2026 > 09 > cloudflare-cache-transcoding

Cloudflare Tests Cache Transcoding to Reduce Storage Requirements

1+ day, 4+ hour ago   (775+ words) Online InfoQ AI-Assisted Engineering Certification (Oct 19): Your agent got faster. Did your code get better? Register Now Joe Cassavaugh shares his journey from software engineer to successful solopreneur with a $2M+ indie franchise. He explains how he scaled production to 10 games…...

DEV Community
dev.to > mtahir27 > scaling-event-driven-apis-real-time-websockets-and-redis-pubsub-for-high-concurrency-apps-90b

Scaling Event-Driven APIs: Real-Time WebSockets and Redis Pub/Sub for High-Concurrency Apps

1+ day, 9+ hour ago   (480+ words) From a business perspective, system instability during peak usage events directly damages user retention, degrades brand trust, and triggers SLA violations. For e-commerce, financial platforms, and real-time gaming, a latency spike or dropped connection state can result in direct financial…...

Medium
medium.com > @wasowski.jarek > kv-cache-prefix-caching-prompt-caching-and-semantic-caching-four-cache-layers-in-llms-8316952f18db

KV Cache, Prefix Caching, Prompt Caching, and Semantic Caching — Four Cache Layers in LLMs

1+ day, 19+ hour ago   (25+ words) KV cache, prefix caching, prompt caching, and semantic caching are four different mechanisms. Three cost you time and money. The fourth lies with a 200....

DEV Community
dev.to > jamilxt > valkey-91-vs-redis-84-the-fork-finally-grew-up-1p5j

Valkey 9.1 vs Redis 8.4: The Fork Finally Grew Up

2+ day, 2+ hour ago   (456+ words) Back in March 2024, when Redis changed its license, the advice most teams got was simple: wait and see. Valkey, the Linux Foundation fork, was brand new. It was essentially Redis 7.4 with a different governance badge, and nobody wanted to migrate…...

DEV Community
dev.to > aditya_d_sharma > what-is-web-cache-poisoning-how-can-a-cached-response-become-a-security-problem-3om4

What Is Web Cache Poisoning? How Can a Cached Response Become a Security Problem?

2+ day, 4+ hour ago   (981+ words) Here's something that should be completely unremarkable. A user requests /homepage. The origin server generates a response. A cache stores it. The next user requests /homepage. The cache returns the stored response without touching the origin. That's caching working as…...

DEV Community
dev.to > eryndrix > lru-cache-in-php-85-for-identity-map-13-million-opssec-4m3k

LRU Cache in PHP 8.5 for Identity Map: 13+ Million Ops/Sec

2+ day, 6+ hour ago   (25+ words) An LRU cache in PHP is one of those problems everyone and their dog has already solved a dozen times... Tagged with php, laravel, webdev....

OpenRouter
openrouter.ai > deepseek > deepseek-v4.1-flash

DeepSeek V4.1 Flash - API Pricing & Providers

4+ day, 7+ hour ago   (426+ words) It is suited for coding, reasoning, and agentic workflows, and is particularly strong at long-horizon tasks that must run to completion across many steps. In / Out Price $0.30 / $1.20per 1M This model is hosted by one provider. OpenRouter forwards every request to it…...