17.10 - Hadoop Components Overview Tab for Datanode - Teradata Viewpoint - Teradata Workload Management

Teradata® Viewpoint User Guide

Teradata Viewpoint
Teradata Workload Management
Release Number
Release Date
October 2021
Content Type
User Guide
Publication ID
English (United States)

The Overview tab for Teradata Hadoop datanode displays detailed information about the component. The metric values provide a snapshot of Teradata Hadoop datanode status. The datanode Overview tab is accessed by clicking the DATANODE row under Components Info.

Bytes (Current)

Metrics Description
Written Total bytes written
Read Total bytes read

Blocks (Cumulative - Last Hour)

Metrics Description
Written Number of blocks written over the last hour
Read Number of blocks read over the last hour
Replicated Number of blocks replicated over the last hour
Removed Number of blocks removed over the last hour
Verified Number of blocks verified over the last hour
Verification Failures Number of block verification failures over the last hour