| 摘要 |
A method for handling service requests in a data processing system is disclosed. In response to a service request, a priority of the service request is determined by mapping a context of the service request to a service level agreement (SLA). SLA-aware and timeout-conscious and preemptive and replayable lock manager is designed to account for different operational goals and different importance to satisfy various SLAs. An average processing time of the service request is then calculated based on statistical results. The service request will be allowed to process if the determined average processing time meets historical guarantee situations.
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