⏱ 7 min read Distributed file systems store files across multiple machines, providing storage capacity and throughput far beyond a single server. HDFS (Hadoop Read article

⏱ 7 min read Data warehouses are purpose-built for analytical queries — aggregations, joins, and scans across billions of rows that would bring an Read article

⏱ 8 min read Netflix serves over 200 million subscribers across 190 countries, streaming billions of hours of video per month. Designing a video Read article

⏱ 7 min read The CAP theorem is the most cited theorem in distributed systems — and the most misunderstood. It states that a Read article

⏱ 8 min read A distributed task scheduler executes jobs at specified times or intervals across a fleet of workers. It powers cron jobs, Read article

⏱ 7 min read In a microservices architecture, services must find and communicate with each other despite dynamic scaling, deployments, and failures. Service discovery Read article

⏱ 8 min read Designing a distributed key-value store is a foundational system design question that tests your understanding of storage engines, replication, partitioning, Read article

⏱ 7 min read Time-series databases are optimized for storing and querying timestamped data: application metrics, IoT sensor readings, financial market data, and infrastructure Read article

⏱ 8 min read Database indexes are the single most impactful tool for query performance. A missing index can make a query 1000x slower, Read article