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GCP PubSub - Batching with orderingKey

Google Cloud Pub/Sub (GCP Pub/Sub) is a cornerstone of modern application architecture, offering a fully-managed real-time messaging service that seamlessly connects independent applications. In the dynamic landscape of cloud services, scalability is a critical factor. GCP Pub/Sub provides two primary scaling strategies: vertical scaling through batching with ordering keys, and horizontal scaling with multiple consumers on the same subscription. This blog post delves into the intricacies of both approaches, their implementation, testing methodologies, and the results they yield