From Minutes to Seconds: Uber Boosts MySQL Cluster Uptime with Consensus Architecture

Leela Kumili — Wed, 11 Mar 2026 14:15:00 GMT

Uber redesigned its MySQL fleet using a consensus-driven architecture based on MySQL Group Replication, reducing cluster failover time from minutes to seconds. By moving leader election and failure detection into the database layer, Uber improved availability, simplified external orchestration, and strengthened consistency across thousands of production clusters.

By Leela Kumili

Hybrid Cloud Data at Uber: How Engineers Solved Extreme-Scale Replication Challenges

Leela Kumili — Mon, 02 Mar 2026 15:00:00 GMT

Uber’s HiveSync team optimized Hadoop Distcp to handle multi-petabyte replication across hybrid cloud and on-premise data lakes. Enhancements include task parallelization, Uber jobs for small transfers, and improved observability, enabling 5x replication capacity and seamless on-premise-to-cloud migration.

By Leela Kumili

InfoQ - Database Replication - News

From Minutes to Seconds: Uber Boosts MySQL Cluster Uptime with Consensus Architecture

Hybrid Cloud Data at Uber: How Engineers Solved Extreme-Scale Replication Challenges