Tech Blogs Digest 17.01 - 23.01
This time we AI-analysed 10579 posts for you, filtered out the chaff and hand-picked the wheat. Subscribe to stay up to date with future digests!
This week
🏗️ Architecture - building a resilient MongoDB cluster, and an ad system for the largest fashion marketplace in a country
⚙️ Devops - a self-service Terraform framework used by 50+ teams
⛁ Data - a deep dive into optimal JOIN plans, lessons learned from processing massive operational healthcare data volumes, and more
🤖 LLMs in production - assessing AI agents at Booking.com, optimizing the medical documentation burden, and benchmarking AWS RAG solutions
🛡️ Security - AI agents chasing hackers 24/7, and AI deployments for the highest-security use cases
🏗️ ARCHITECTURE
Trendyol’s NoSQL team reveals how they automated a resilient, sharded MongoDB infrastructure at scale with open-source tools
High-performance ads at massive scale: how one marketplace replaced manual hero banners with an automated system serving millions of impressions reliably
⚙️ DEVOPS
How one platform team scaled Terraform to empower 50+ teams with self-service infrastructure while keeping governance and continuous improvements seamless
⛁ DATA
StarRocks explains how its optimizer and distributed planning make complex multi-table joins surprisingly fast, avoiding costly denormalization trade-offs
3 years of data ingestion @ Doctolib | 19 minutes
Lessons from Doctolib’s evolution: overcoming scale, privacy, and CDC challenges to build reliable, cost-effective data ingestion at healthcare scale
How Zepto serves fast, live historical queries by decoupling hot transactions from efficient archived data using PostgreSQL and ClickHouse
🤖 LLMS IN PRODUCTION
AI Agent Evaluation | 14 minutes
Booking.com shares practical tips to effectively evaluate autonomous AI agents by measuring both outcomes and internal decision processes
The Builder’s Notes: Engineering an Agentic “Flight Controller” for Hospital Operations | 31 minutes
How an “agentic flight controller” AI slashes hospital documentation time and recovers millions in clinician hours with autonomous planning
Benchmarking serverless vs EC2 for RAG on AWS reveals when Lambda shines and S3-native vectors change performance-cost trade-offs
🛡️ SECURITY
A cybersecurity thesis builds autonomous AI agents that hunt attacks in logs, map techniques, and produce forensic reports overnight
How enterprise AI agents run securely offline with air-gapped architectures, local models, and SIEM/SOC integration for sovereign deployments