Near real-time decision-making systems are critical for modern business applications. Integrating Apache Spark (Streaming) and Drools provides scalability and flexibility, enabling efficient handling of rule-based decision-making at scale. This article showcases their integration through a loan approval system, demonstrating its architecture, implementation, and advantages.
Problem Statement
Applying numerous rules using Spark user-defined functions (UDFs) can become complex and hard to maintain due to extensive if-else logic.