Caching & Edge Data

KV stores, CDNs, edge runtimes, and latency-first data patterns.

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dev.to > abrownfox001 > rate-limits-rtds-and-trading-when-the-venue-is-degraded-4gp

Rate Limits, RTDS, and Trading When the Venue Is Degraded

20+ hour, 1+ min ago   (304+ words) Part 3 isolated the order adapter for a coming Rust CLOB. Part 4 is the ops layer you need before that cutover. September already showed the failure mode: the book, the TWAP socket, and settlement can go dark together. A 5m bot that…...


dev.to > lukman-ss > caching-why-faster-reads-create-consistency-problems-kp9

Caching: Why Faster Reads Create Consistency Problems

1+ day, 20+ hour ago   (956+ words) A dashboard request can look harmless. The problem appears when hundreds of users ask for the same expensive data at the same time. In Software Engineering Lab 04, the scenario is a workshop dashboard. Without caching, every request runs six database…...


dev.to > dinukashavi > i-rate-limited-an-api-by-hand-then-i-configured-one-in-a-form-field-365d

I Rate-Limited an API by Hand. Then I Configured One in a Form Field.

3+ day, 20+ hour ago   (285+ words) My hotel booking backend has an GET endpoint that has no rate limiting at all, nothing stops a client... Tagged with api, backend, security....


medium.com > javarevisited > lazy-vs-eager-cache-population-which-caching-strategy-should-you-use-6370a810cde4

Lazy vs Eager Cache Population: Which Caching Strategy Should You Use?

5+ day, 8+ hour ago   (30+ words) Learn the difference between lazy and eager cache population, their performance trade-offs, and how to choose the right caching …...


dev.to > hancic128 > cache-invalidation-three-patterns-and-the-cost-of-getting-it-wrong-2kc0

Cache Invalidation: Three Patterns and the Cost of Getting It Wrong

5+ day, 14+ hour ago   (278+ words) A version-control service I worked on kept a small list in Redis: which version of the code bundle... Tagged with caching, distributedsystems, backend, consistency....


dev.to > isurajmisra > a-cache-with-no-way-back-to-the-source-5dja

A cache with no way back to the source

1+ week, 1+ day ago   (346+ words) Checkout deliberately asks for nothing but a URL — no title field on the add-listing form. So a listing's name doesn't exist yet the moment money lands; it's filled in later, two different ways depending on the listing: That part works....


hackernoon.com > i-argued-with-an-interviewer-about-global-rate-limiting-neither-of-us-were-right

I Argued With an Interviewer About Global Rate Limiting. Neither of Us Were Right

1+ week, 2+ day ago   (1397+ words) Global rate limiting has a conservation law. Once you see it, most of the architectural debate disappears. The interviewer suggested a broadcast mechanism to share counts between regions. I pushed back. It sounded over-engineered for rate limiting: a lot of…...


medium.com > @ios-interview > lazy-loading-vs-prefetching-best-practices-for-tableviews-db342b37813a

Lazy Loading vs. Prefetching: Best Practices for TableViews 🚀

1+ week, 1+ day ago   (26+ words) When you’re dealing with large datasets in iOS — feeds, chat histories, search results — performance stops being optional. Two …...


dev.to > anusha_mukka > your-cache-is-part-of-the-security-model-44n2

Your Cache Is Part of the Security Model

1+ week, 3+ day ago   (418+ words) This is Part 4 of Security Infrastructure in Practice, a series about what happens when security design meets production systems. Caches are supposed to make authorization faster. They can also keep an old permission alive after the source of truth has…...


dev.to > mech_app_ai > agent-cache-multi-tier-llm-caching-for-valkey-and-redis-10kf

Agent-Cache: Multi-Tier LLM Caching for Valkey and Redis

1+ week, 3+ day ago   (666+ words) Agent loops burn tokens and clock cycles on repeated work. The same LLM prompt fires twice, the same tool call fetches identical data, and session state gets reconstructed from scratch on every request. Agent-cache solves this with a three-tier caching…...