Utility throttles limit the number of utilities that can run at the same time. A DBA can throttle utility concurrency at two levels.
| Throttle Type | Utility Concurrency Limit | Viewpoint Tab |
|---|---|---|
| Utility Limits | System-level | Sessions |
| Workload | Workload-level | Workloads |
A utility throttle includes the following values:
- Utility name
- Concurrency limit
- Delay/Reject option
Workload throttles have more qualification criteria, such as Request Source, Target, and Query Band.
TASM does not support the delay option for non-conforming utilities. TASM always rejects non-conforming utilities that exceed throttle limits, even when the throttle specifies Delay.
You might want to create utility throttles for the following reasons:
- To limit system resource use (for example, CPU, I/O, AMP worker tasks, and memory)
- To limit how many utilities can run in different system states, such as when the system is very busy