Restart apache mac3/28/2023 ![]() ![]() Work-preserving RM restart: This focuses on re-constructing the running state of RM by combining the container status from NodeManagers and container requests from ApplicationMasters on restart. Users are not required to re-submit the applications. RM will reload this information from state-store on restart and re-kick the previously running applications. Non-work-preserving RM restart: This restart enhances RM to persist application/attempt state and other credentials information in a pluggable state-store. There are two types of restart for ResourceManager: This document gives an overview of ResourceManager Restart, a feature that enhances ResourceManager to keep functioning across restarts and also makes ResourceManager down-time invisible to end-users. Hence, it is potentially a single point of failure in an Apache YARN cluster. ![]() ResourceManager is the central authority that manages resources and schedules applications running on YARN. Running Applications in runC Containers.Running Applications in Docker Containers. ![]()
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