2025-06-05
Uniquely identifying users is a fundamental requirement in most software systems. While using email addresses as primary keys is common and often convenient, there are important reasons why this approach...
2025-05-12
When working with TCP/IP, it’s commonly known that the source and destination ports are 16-bit numbers. That means the theoretical maximum number of TCP connections a server can have with...
2025-05-11
Testcontainers is a set of open source libraries that provides easy and lightweight APIs for bootstrapping local development and test dependencies with real services wrapped in Docker containers. Using Testcontainers,...
2025-05-09
At first glance, it may seem that two operations are concurrent if they occur at the same time on different systems or processes. However, in distributed systems, concurrency shouldn’t be...
2025-04-27
Kafka is designed to be durable by default. Every log message sent to kafka is written to disk and replicated across multiple brokers to ensure fault tolerance. However, under certain...
2025-04-24
MoSCoW prioritization, also known as the MoSCoW method or MoSCoW analysis, is a popular prioritization technique for managing requirements.
2025-04-24
In this article, we dive into the core concepts of Write-Ahead Logging (WAL) and Change Data Capture (CDC) — two critical mechanisms for ensuring data durability, consistency, and real-time data...