SQL, NoSQL, query optimization and data modeling
99 posts
Implementing soft deletes is a standard practice in modern application development, allowing for data recovery and audit trails. However, in high-throughput PostgreSQL systems, this approach introduces a significant performance tax. As deleted records accumulate, they consume disk space, inflate ...
Event Sourcing (ES) combined with Command Query Responsibility Segregation (CQRS) has become the architectural backbone for many high-scalability systems. While the read-side benefits are well-documented, the write-side often presents a significant bottleneck: the sequential writing of events to ...
In the realm of modern software engineering, the shift from traditional CRUD (Create, Read, Update, Delete) architectures to event-driven models has become a critical strategy for building high-scale, resilient systems. As data volumes explode and user expectations for real-time responsiveness gr...
In the world of high-availability system design, the "Cache Stampede" (also known as the "Thundering Herd") is one of the most insidious performance killers. It occurs when a high-traffic cache key expires simultaneously, causing thousands of concurrent requests to bypass the cache and hit the ba...
Time Series Databases (TSDBs) have become a cornerstone of modern infrastructure monitoring, IoT telemetry, and financial analytics. Unlike relational databases optimized for complex joins and transactional consistency, TSDBs are engineered for high-throughput ingestion and time-windowed aggregat...
In the realm of modern application development, time series data has become ubiquitous. From IoT sensor readings and server metrics to financial tick data and user activity logs, the volume of data generated every second is staggering. For database engineers, the primary challenge is not just sto...
In the realm of high-concurrency e-commerce and inventory management systems, data consistency and latency are often at odds. A single stock update can ripple through thousands of database transactions per second. To mitigate the bottleneck of direct database reads and writes, developers increasi...