In SLES 11, you can enable timeshare decay.
Timeshare decay automatically decreases the resource access rate of queries in a Timeshare workload over time. Enabling decay prevents problematic queries from monopolizing system resources.
- Edit or create a ruleset.
- From the ruleset toolbar, click General.
- Click the Decay tab.
- Click the Enable Timeshare Decay check box.
- Click Save.