DeltaStream offers a novel approach to real-time stream processing by utilizing a serverless architecture that automatically creates isolated Flink clusters for each streaming query, thereby eliminating the "noisy neighbor" issue commonly seen in shared cluster environments. This setup ensures that each query receives dedicated resources, allowing for consistent and reliable performance without the need for complex manual tuning or cluster management. The system dynamically allocates CPU and memory resources based on real-time needs, streamlining operations and allowing developers to focus on data insights rather than infrastructure management. DeltaStream's solution simplifies the operational complexity and unpredictability often associated with traditional stream processing, providing a stable and efficient platform for streaming analytics.