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Curated developer articles, tutorials, and guides — auto-updated hourly
Alex Georgiev4d ago • 7 min read
Redis 8.4's digest-based SET option cuts a 1MB compare-and-set from 4.3ms to 1.6ms
Redis 8.4 adds IFEQ, IFNE, IFDEQ and IFDNE to SET. I measured a 1MB compare-and-set drop from about ...
#redis#database#performance#devops
9 1
Remdore3d ago • 6 min read
What happens to your Redis data in Docker
I wrote 10,000 keys into Redis running in Docker, then ran one ordinary Docker command and counted.....
#redis#docker#devops#database
15 4
Najmul HasanOct 16, 2026 • 4 min read
Rate Limiting Next.js API Routes with Upstash Redis (and Why In-Memory Fails on Serverless)
A production pattern for Next.js rate limiting on Vercel: Upstash sliding windows, per-IP and per-em...
#nextjs#redis#security#serverless
0 1
Gabriel Anhaia3d ago • 10 min read
Design Ticketmaster for a 3.5-Billion-Request Presale: Waiting Room, Seat Holds, Expiry
The Eras Tour presale hit 3.5B requests, 4x Ticketmaster's prior peak. Work the interview design: wa...
#systemdesign#redis#architecture#interview
0 1
Valipireddy Kowshik1d ago • 3 min read
Caching Is Easy. Cache Invalidation Is Where Systems Break: A Practical Guide
Cache-aside, write-through, TTLs, stampedes and stale data. How senior engineers design caching that...
#architecture#backend#performance#redis
1 1
Tim Nguyen2d ago • 4 min read
Redis Cluster Explained: Hash Slots, CROSSSLOT Errors, Lua Scripts, and Pipelining
If you've used standalone Redis and then switched to Redis Cluster, you may have encountered this...
#redis#node#backend
1 1
Waseem Anjum5d ago • 8 min read
Building an AI Automation Pipeline in Node.js with BullMQ: Queues, Retries and Rate Limits
Move LLM calls into a BullMQ queue: idempotent jobs, Retry-After aware backoff, rate limits, Zod-val...
#ai#node#typescript#redis
1 4
Sergey Shinder4d ago • 2 min read
A cleanup job that listed every cart key paused Redis for the whole site
Through November our checkout failed in short bursts, about two seconds long, roughly every ten...
#sergeyshinder#sre#redis#performance
1 0
Tarun Koshti5d ago • 24 min read
Beyond Caching: Cron Jobs with Redis, Node.js and BullMQ
Run cron jobs with Redis and BullMQ: one schedule across all app instances, survives restarts, retri...
#redis#node#bullmq#cron
0 0
Yash Suthar4d ago • 3 min read
How Redis rate limiters fail under load, measured
I measured eight Redis rate limiter designs in 3,853 trials. Check-then-act let 29% too much through...
#redis#distributedsystems#backend#performance
0 1
Weishu4d ago • 5 min read
One Long Job Took Down Our Whole Redis Streams Worker Pool
We run a small fleet of Python workers on top of Redis Streams. One night, a single long-running job...
#redis#python#backend#debugging
0 0
Geminate SolutionsOct 16, 2026 • 5 min read
Server-Side Exam Timers and Answer Autosave with Node.js and Redis
An online assessment platform should never trust the student's browser with the exam clock, and it.....
#node#redis#javascript#tutorial
0 0
octave Nkurunziza4d ago • 9 min read
Docker health checks that catch real problems, explained simply
A plain guide to Docker health checks for your app, Postgres (pg_isready) and Redis, and three...
#docker#devops#postgres#redis
3 0
Duong Phuc Khanh (Kido)3d ago • 8 min read
From 32KB SQL Joins to 46 Bytes: Architecting an O(1) Habit Streak Engine with Valkey/Redis Bitmaps & POPCNT
How Duong Phuc Khanh (Kido) replaced bloated relational habit logs with 46-byte Redis/Valkey Bitmaps...
#database#performance#architecture#redis
0 0
Daniel Pertu6d ago • 5 min read
A 24 hour idempotency key turns a crash into a dropped webhook, so ours starts at 120 seconds
The two phase claim behind our Stripe and inbound mail webhooks: a short key written before the work...
#node#redis#architecture#webdev
1 1
AsteroidHH5d ago • 2 min read
Quorum (Built for FalkorDB)
The Missing Primitive in Agent Memory As AI agents evolve from conversational bots into autonomous....
#backend#database#performance#redis
0 0
HotKV Ltd4d ago • 10 min read
HotKV cut Claude token use by 70% in our Banking77 benchmark
A semantic cache promises to cut LLM spend by answering repeated and similar questions from memory.....
#ai#llm#redis#performance
1 0
Daniel PertuOct 16, 2026 • 6 min read
Our Redis cache measured one string and stored another, so every read deleted the key
Three bugs in one caching module: a size cap checked against the uncompressed JSON, a TTL doing a jo...
#postgres#redis#performance#node
0 0
lucy-reeves3d ago • 2 min read
taming burst traffic: pgbouncer + redis cache for low‑latency queries
in a SaaS billing service we hit a sudden spike every time a new plan rolled out – the API surged...
#postgres#redis#backend#performance
0 0
Tope Taiwo3d ago • 10 min read
Redis Is More Than a Cache
Explore Redis for caching, rate limiting, sessions, coordination, messaging, and background jobs,...
#redis#node#nestjs#backenddevelopment
0 0
Daniel Pertu5d ago • 5 min read
One Redis client that is allowed to be null, and three callers that each answer differently
Our shared Upstash client returns null when the credentials are absent. Rate limiting falls back to ...
#redis#nextjs#typescript#architecture
0 0
Daniel Pertu2d ago • 5 min read
Our device cap is written only by the Stripe webhook, so the one plan with a cap of 2 is the one nobody can reach
Three plans declare a concurrent login cap of 2, 3 and 3. The middleware falls back to 3 when Redis ...
#redis#stripe#nextjs#webdev
0 0
Daniel Pertu2d ago • 5 min read
Our lock lived for three hours, our schedule fired every fifteen minutes, and every one of those skipped runs was recorded as a success
Why a job lock should be a renewed lease rather than a timeout on the work, what a cancelled run doe...
#redis#node#devops#architecture
0 1
Amaresh PelletiOct 16, 2026 • 6 min read
Redis 8.6: What Changed in Performance and Event Streams
Redis 8.6 explained: what XADD IDMP idempotency actually changes for Streams-as-a-queue, the new LRM...
#redis#database#devops#backend
0 0