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News
Whose Memory Is It? Building Multi-Tenant, Multi-Tier Memory for AI Agents (Part 4)
11+ hour, 37+ min ago (1782+ words) This is a 4-part series on how agents remember:building short-, medium- and long-term memory thatscales across users, agents, and kubernetes clusters. Alice and Bob both use our agent platform. On Monday, Alice worked on a support incident, and the…...
Vector Databases Explained: Powering AI with Open Source Data Storage
1+ week, 2+ day ago (1717+ words) What do vector databases do? Why did they show up when they did? Which open source ones are worth your time? How do you use them? Here are some answers… It was a fair question. And I realised I’d never…...
Migrated Up, Then Back
4+ hour, 23+ min ago (407+ words) The promise I'd made myself at the start was the discipline that kept the migration honest: external domains and ports stay unchanged, and the reverse proxy stays the anchor. Move a service in, get it working on k3s, then repoint the…...
Database Indexing Mistakes That Are Quietly Killing Your App's Performance
7+ hour, 52+ min ago (459+ words) Indexing is one of those topics every developer has heard of, most have used, and surprisingly few have actually reasoned through carefully. It's easy to add an index and move on — it's much harder to know whether that index is…...
Apache Spark frente a Apache Hadoop: arquitectura, rendimiento y casos de uso
5+ hour, 47+ min ago (1205+ words) Presentación Mi nombre es Kimberly Charlo Delgado Taylor y actualmente curso un Máster en Data Science. Mi experiencia …...
We Deleted Our Vector Database. pgvector Handled 40M Embeddings Fine
7+ hour, 26+ min ago (35+ words) Eleven invoices, four thousand dollars a month, and a sync worker that used to wake me up in the middle of the night. We were …...
Redis Is Not Your Database: Designing Cache Failures, Fallbacks, and Resilient Backends
12+ hour, 44+ 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…...
Mainframe Migration Tools: What Works and What Fails
12+ hour, 43+ min ago (1485+ words) This guide describes the categories of tooling that actually exist, what each one genuinely does well, and the specific places where each tends to fail on real workloads. It is written for the people who have to sign the business…...
MySQL Overselling: Why SELECT Isn't Enough and How SELECT... FOR UPDATE Solves It
15+ hour, 50+ min ago (431+ words) Imagine you’re running an online store, there’s exactly one item left in stock. Two customers click... Tagged with database, mysql, backend, softwareengineering....
Data Substrate Versus Vector Db Rag
15+ hour, 42+ min ago (1246+ words) This week’s headlines highlight the rapid evolution of AI in China, with models like Qwen and DeepSeek pushing the frontier of capability. But as these models grow more sophisticated, the conversation around how data is stored, queried, and used as…...