YARN Essentials

Container configurations

Here are the some important configurations related to resource containers that are used to control containers.

To control the memory allocation to a container, the administrator needs to set the following three parameters in the yarn-site.xml configuration file:

Parameter	Description
yarn.nodemanager.resource.memory-mb	This is the amount of memory in MBs that the NodeManager can use for the containers.
yarn.scheduler.minimum-allocation-mb	This is the smallest amount of memory in MBs allocated to the container by the ResourceManager. The default value is 1024 MB.
yarn.scheduler.maximum-allocation-mb	This is the largest amount of memory in MBs allocated to the container by the ResourceManager. The default value ...