YARN ResourceManager APIs allow the user or administrator to obtain cluster metrics, lists of NodeManager nodes, scheduler information, associated applications, and so on. As mentioned in the previous chapters, the default port for the ResourceManager web application is
8088. An administrator can configure the web application address using the
yarn.resourcemanager.webapp.address property in the
<property> <name>yarn.resourcemanager.webapp.address</name> <value>master:8088</value> </property>
The ResourceManager REST APIs can be grouped as:
There are two URIs to fetch cluster meta-information such as the deployed version, available memory, ...