- Teradata Cookbook
- Abhinav Khandelwal Rajsekhar Bhamidipati
- 41字
- 2025-04-04 17:23:32
See also
- Skew CPU: When a query for one AMP consumes more CPU compared to the other AMPs:
1 - (AMPCPUTime / (HASHAMP()+1))/NULLIFZERO(MaxAMPCPUTime)
- I/O Skew: When a query for one AMP does more I/O compared to the other AMPs:
(1-(TotalIOCount / (HASHAMP()+1))/NULLIFZERO(MaxAMPIO)