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One VTOrc To Rule Them All – High Availability In a Distributed Database System - Deepthi Sigireddi & Manan Gupta, PlanetScale

Speakers: Deepthi Sigireddi, Manan Gupta
Vitess is a scalable, highly available distributed database system built around MySQL. It achieves scalability through sharding and durability through replication. High availability is accomplished through a Vitess feature known as cluster management. The next generation cluster management service in Vitess is called VTOrc. Users can specify their durability rules as a system configuration, which is respected while performing planned failovers. VTOrc also performs failure detection with automatic failovers while honoring the durability rules. VTOrc is already running successfully in production in multiple deployments including at PlanetScale, and it will be Generally Available in Vitess release 15 (October 25). The session will provide an introduction to VTOrc and an outline of the theory that underpins its implementation, followed by a demo of its capabilities showing multiple failover scenarios.