Definition
Near real-time streaming designs refer to systems that process and deliver data with minimal delay, typically within seconds or milliseconds of its generation. These designs enable continuous data flow, allowing applications to react to events as they happen rather than relying on batch processing. This capability is crucial for applications requiring immediate insights and actions, such as fraud detection or dynamic pricing. For instance, a financial trading platform uses near real-time streaming to update stock prices and execute trades instantly. It is important to distinguish this from batch processing, which handles data in scheduled chunks, or real-time processing which implies instantaneous delivery. Concepts related to near real-time streaming are often covered in cloud architecture and data engineering certifications like AWS Certified Solutions Architect Associate.