# Orchestrator, a.k.a. Maestro A service to facilitate safe and staggered restart and upgrades of services in a Vespa instance. It uses consolidated information from Slobrok and the application model to decide if a hosts should be allowed to stop its services. ## TODO: * Constraint on requests on start-up. * Constraint on requests after permitting host to go down (it should last at least as long as Slobrok heartbeat cycle). * Implement caching of host-down decisions. * Instance resource, exposing the orchestrators current knowledge