OpenSearchCon India 2025

In this talk, we’ll share Uber’s journey in scaling OpenSearch to handle large scale data across 100+ clusters while ensuring high availability, fault tolerance, performance and zero-downtime upgrades. We’ll dive deep into our strategies for overcoming regional and zonal failures, observability and fleet-upgrade strategy with zero-downtime, at scale. Attendees will learn about our approaches to sharding, indexing, and data distribution that enables resilience across a global infrastructure. Additionally, we’ll cover key best practices for managing OpenSearch clusters at Uber’s scale, ensuring reliability, and achieving cost-efficiency.