General
The Overview tab displays general information about the selected operation for a Teradata QueryGrid query session.
| Metric | Description | Type |
|---|---|---|
| Query ID | ID of the query | String |
| Phase | Phase of the operation | String |
| Duration |
Duration of the QueryGrid operation |
Number |
| Config version | Requested version of the QueryGrid operation | Number |
| Link Name | Name of the link used for this QueryGrid operation | String |
Initiator Information
| Metric | Description | Type |
|---|---|---|
| System | Name of the initiating system | String |
| Total nodes | Number of nodes on the initiating system | Number |
| Total CPU | Total CPU usage time consumed | Number |
| CPU skew | CPU skew for the current query | Number |
| Data skew | Ratio between the size of the data on the maximum node versus the average node | Number |
Transfer Information
| Metric | Description | Type |
|---|---|---|
| Type | Type of transfer performed | String |
| Rows | Number of rows transferred | Number |
| Bytes | Number of bytes transferred | Number |
| Rate |
Rate that data is transferred for the QueryGrid operation |
Number |
| Bottleneck | Limiting factor for the QueryGrid operation | String |
| Compression ratio | Uncompressed size divided by the compressed size | Number |
Target Information
| Metric | Description | Type |
|---|---|---|
| System | Name of the target system | String |
| Total nodes | Number of nodes on the target system | Number |
| Total CPU | Total CPU usage time consumed | Number |
| CPU skew | CPU skew for the current query | Number |
| Data skew | Ratio between the size of the data on the maximum node versus the average node | Number |
Bridge Information
| Metric | Description | Type |
|---|---|---|
| Bridge | Name of the bridge | String |
| Total Nodes | Number of nodes on the target system | Number |
| Total CPU | Total CPU usage time consumed | Number |
| CPU skew | CPU skew for the current query | Number |
| Data skew | Ratio between the size of the data on the maximum node versus the average node | Number |