Electrical computers and digital processing systems: virtual mac – Task management or control – Process scheduling
Reexamination Certificate
2008-07-01
2008-07-01
An, Meng-Al T. (Department: 2195)
Electrical computers and digital processing systems: virtual mac
Task management or control
Process scheduling
C718S105000, C718S106000, C707S793000, C707S793000, C709S200000, C709S201000, C709S202000, C709S203000
Reexamination Certificate
active
07395537
ABSTRACT:
In a method, computer program and process for administering the workload of a database system as it executes one or more requests the one or more requests are sorted into one or more workload groups. Each workload group has an associated level of service desired from the database system. The one or more requests are executed in an order intended to achieve the levels of service associated with each of the workload groups. The system resources are assigned to the one or more workload groups as necessary to provide the level of service associated with each workload group. The execution of requests is monitored on a short-term basis to detect a deviation from the level of service greater than a short-term threshold. If such a deviation is detected, the assignment of system resources to workload groups is adjusted to reduce the deviation. Monitoring is also performed on a long-term basis to detect deviations from the expected level of service greater than a long-term threshold. If such a deviation is detected, the execution of requests is adjusted to better provide the expected level of service.
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Ballinger Caroline M.
Brown Douglas P.
Glick Richard D.
Ramesh Bhashyam
Richards Anita
An Meng-Al T.
Speight Howard
Teradata , US Inc.
To Jennifer N.
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