Selecting resource allocation policies and resolving resource conflicts

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Marcelo Amaral,  Yurdaer N Doganata,  Merve Unuvar,  Asser N Tantawi,  Iqbal I Mohomed
Barcelona Supercomputing Center - Centro Nacional De Supercomputacion (BSC-CNS), INTERNATIONAL BUSINESS MACHINES CORPORATION (IBM)


Techniques for workload management in cloud computing infrastructures are provided. In one aspect, a method for allocating computing resources in a datacenter cluster is provided. The method includes the steps of: creating multiple, parallel schedulers; and automatically selecting a resource allocation method for each of the schedulers based on one or more of a workload profile, user requirements, and a state of the datacenter cluster, wherein an optimistic resource allocation method is selected for at least a first one or more of the schedulers and a pessimistic resource allocation method is selected for at least a second one or more of the schedulers. Due to optimistic resource allocation conflicts may arise. Methods to resolve such conflicts are also provided.

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