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 |