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News
Agent-Cache: Multi-Tier LLM Caching for Valkey and Redis
13+ hour, 39+ min 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…...
Kafka Part Four: Idempotency
13+ hour, 43+ min ago (819+ words) Part 4 — Learning Kafka by Rebuilding It How do we prevent duplicates -> Idempotency The safe configuration above assumes one more thing: retries. When a write fails …...
Se acabó el limite de los 15 minutos: un análisis a fondo del tiempo de espera de 90 minutos de AWS Lambda
22+ hour, 41+ min ago (25+ words) Hace 4 días vi un anuncio que me parecio muy interesante es que ya se incremento 6x el timeout de las... Tagged with aws, lambda....
Bloom Filter: All You Need to Know
20+ hour, 23+ min ago (677+ words) Before diving into it directly, let us first try to understand what problem we faced so this became necessary! We know about the set data structure. A hash-based …...
Why Is Redis So Fast? Understanding the In-Memory Database
21+ hour, 23+ 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 …...
SQL vs NoSQL: Kenapa PostgreSQL Masih Jadi 'Swiss Army Knife' di 2026
1+ day, 1+ hour ago (23+ words) Sering kali kita... Tagged with postgres, mongodb, database, backend....
Catching a Silent AWS Failure: A Serverless Daily Report for Suspended Auto Scaling Groups
1+ day, 2+ hour ago (483+ words) How I built a zero-cost, zero-server monitoring alert with Lambda, EventBridge, and SES, and the two production bugs I hit along the way. Amazon EC2 Auto Scaling Groups (ASGs) have a feature that's incredibly useful during incidents and quietly dangerous afterward:…...
Four Ways to Survive a Network Split
1+ day, 5+ hour ago (1632+ words) What Paxos, VR, Zab, and Raft teach us. You may never implement consensus yourself. You still need its mental models to choose databases, coordination services, and infrastructure that fail the way you expect. At 2:13 a.m., your monitoring says the service is…...
Your First AWS Production Architecture: From a Simple Application to a Scalable System
1+ day, 10+ hour ago (1081+ words) Most people learn AWS by studying individual services. RDS is a database. But that's not how AWS is used in the real world. In a real project, these services work together to solve one problem: How do we run an…...
Why Parameterized Queries Matter for SQL Security
1+ day, 10+ hour ago (559+ words) SQL injection is one of the classic examples of what can happen when an application mixes user input directly into a database query. The underlying problem is simple. The application expects data. The database may interpret part of that data…...