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 |