Node Overview Tab for Teradata Hadoop

Teradata® Viewpoint User Guide

brand
Analytical Ecosystem
prodname
Teradata Viewpoint
Teradata Workload Management
vrm_release
16.20
category
User Guide
featnum
B035-2206-107K

The Overview tab for Teradata Hadoop displays detailed information about the nodes. The metric values provide a snapshot of Teradata Hadoop system status.

Node Information

Node Info Description
Type (HDP 2.1 and later) Values for node types are as follows:
  • Data nodes are composed of NodeManager processes and a datanode service, which store and retrieve blocks when directed and report back to the master node with lists of blocks they are storing.
  • Master nodes handle the ResourceManager and namenode services, which submit and track applications and determine the location of data.
Type (HDP 1.3) Values for node types are as follows:
  • Data nodes are composed of tasktracker processes and a datanode service, which store and retrieve blocks when directed and report back to the master node with lists of blocks they are storing.
  • Master nodes handle the jobtracker and namenode services, which submit and track MapReduce jobs and determine the location of data.
Components Hadoop components available on the node
IP Address IP address of the node
Rack ID User-defined name that specifies the physical location of the node
Up Since Date and time the node came online

Components Information

Components Info Description
Components (HDP 2.1 and later)
You can click one of the following Hadoop components to see details for the component:
  • ResourceManager (master node)
  • NodeManager (data node)
  • Namenode (master node)
  • Datanode (data node)
Other installed Hadoop components on the node are shown in this list with their current status.
Components (HDP 1.3)
You can click one of the following Hadoop components to see details for the component:
  • Jobtracker (master node)
  • Tasktracker (data node)
  • Namenode (master node)
  • Datanode (data node)
Other installed Hadoop components on the node are shown in this list with their current status.
Status Current operating condition of the component