AAumCreate3h ago · 6 min readWhich cache layer fixes which slowdown, judged from the response headersThe complaint never says which part is slow. It arrives as 'the site is slow', and the first reaction is to switch on some caching and see whether it feels better. That works often enough to be a trapaumcreate.hashnode.dev
WWaqas Shahid23h ago · 2 min readRedis Explained: The In-Memory Store That Makes Everything FasterIntroduction Redis is an in-memory data store: it keeps data in RAM instead of on disk, which makes it roughly a hundred times faster than a disk database for simple operations — but also means it is practicaldevblog.hashnode.dev
TTrust Boundary1d ago · 9 min readChatGPT leaked users' data, and nobody hacked itOriginally published at trustboundarystudio.com. The video version, with diagrams, is on YouTube. Key facts When: Monday 20 March 2023. OpenAI says a change to its server at 1 a.m. Pacific time causetrustboundarystudio.hashnode.dev
ZZyVOP1d ago · 11 min readRate Limiting Algorithms: How to Protect Your API Without Annoying Your UsersEvery API eventually meets a client that sends too much traffic. Sometimes it’s a buggy retry loop, sometimes a scraper, and sometimes a perfectly well-meaning customer whose cron job just got ten tim110MCZblog.zyvop.com
DDevang Pandya1d ago · 10 min readCaching 101: Why Facebook Keeps So Much in Memcached (and How to Cache Without Breaking Things)By Devang Pandya · Cloud Tech by Devang · Cloud • DevOps • AI — Made Simple This post is the full breakdown for the Bapu ki Class Reel on caching. If you came here after commenting CACHE, welcome. Bapcloudtechbydevang.hashnode.dev
AAnish Ansari2d ago · 10 min readSystem Design Drill Day 8: Distributed Locks with Redis and Fencing TokensOne unit of a hot SKU is left, and two customers press "Buy" at the same moment on two different app servers. Both see "1 in stock", both checkouts succeed, and one of them gets an apology email. A mu110MCZblog.anishansari.com.np
CCoding Macaw Bootcamp1d ago · 4 min readSecuring the Edge: Building AI Resistant APIs in Next.js and RustThe standard Web Application Firewall is obsolete. In 2026, malicious actors are not manually probing for SQL injections; they are deploying autonomous LLM agents that map your API endpoints, fuzz youcodingmacawbootcamp.hashnode.dev
MMemorySync2d ago · 5 min readFix "'ClusterPipeline' object has no attribute 'raise_first_error'" with OpenAI Agents SDK RedisSession on Redis ClusterDisclosure: I'm Mohammed, founder of MemorySync. I drafted this with AI assistance from the public GitHub issue and the SDK source. Code status: on Oct 25, 2026 I installed openai-agents 0.24.0 and rememorysync.hashnode.dev
AAnish Ansari3d ago · 8 min readSystem Design Drill Day 7: Rate Limiting APIs, Logins and OTPs with RedisSomeone finds your OTP endpoint and starts hammering it. Every call sends an SMS, and you pay for each one. Rate limiting fits into a half-hour interview and still touches algorithms, shared state and1blog.anishansari.com.np
MManideep Naidu3d ago · 7 min readThe bottleneck didn’t go away. It moved.Where we left off At the end of Post 1, my best Postgres version topped out at around 700 reservations a second. Beyond that, requests just piled up waiting for the same row. So for this part, I triedmanideepnaidu.hashnode.dev
