About
A resource container incorporates resource elements such as memory, cpu, disk, network etc.
The Docker Container Executor (DCE) allows the YARN NodeManager to launch YARN containers into Docker containers.
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Management
Modify the number of container for an application
List
yarn container -list <Application Attempt Id>
Status
yarn container -status <ContainerId>
Memory
in the cluster configuration Yarn - Configuration (yarn-site.xml, yarn-default.xml)
Log
For an app, see Yarn - Log (Container, Application) - Tfile
File / Library dependency
A LocalResource represents a file/library required to run a container.