Abstract: A computer-implemented method, a computer system and a computer program product for releasable resource-based preemptive scheduling. One or more currently running workloads are determined to be preempted by a pending workload. Releasable resources from the one or more currently running workloads meet required resources of the pending workload. The pending workload is dispatched so that it uses at least part of the releasable resources from the one or more currently running workloads to run.

Abstract: A method and system for process tracking is disclosed. A first process is associated with an identity of a job, wherein the first process is launched by an outsourcing process to process the job. A second process is created locally. The second process is associated with the identity of the job to enable the second process to manage the first process based on the identity.

Abstract: A computer-implemented method, a computer system and a computer program product for releasable resource-based preemptive scheduling. One or more currently running workloads are determined to be preempted by a pending workload. Releasable resources from the one or more currently running workloads meet required resources of the pending workload. The pending workload is dispatched so that it uses at least part of the releasable resources from the one or more currently running workloads to run.

Abstract: A method and system for process tracking is disclosed. A first process is associated with an identity of a job, wherein the first process is launched by an outsourcing process to process the job. A second process is created locally. The second process is associated with the identity of the job to enable the second process to manage the first process based on the identity.

Abstract: A method for estimating job start times on a system may include: performing a first simulation of the system by a first process to generate a first estimate of the start time based a first snapshot of the computing system; and performing a second simulation of the system to generate a second estimate of the start time. The first and second estimates may each be either a distinct time estimate or a range of time estimate, depending on whether the simulations dispatches the job before the respective first and second processes end. The method may then include generating a fifth estimate of the time that the computing job will start by a third process based on estimates respectively generated by the first and second processes.

Abstract: A method, computer program product, and computer system for backfilling jobs based on energy aware scheduling are provided. A first job is received at a scheduler, where the scheduler manages one or more running jobs based on a plurality of system resources. The plurality of system resources comprises at least one resource constraint. A resource consumption of the first job is estimated based on one or more resource requirements of the first job. A first resource requirement of the one or more resource requirements is determined to exceed the resource constraint. In response to determining that the first resource requirement of the first job exceeds at least one resource constraint, at least one of (i) the first resource requirement of the first job and (ii) the plurality of system resources is modified. The first job is scheduled.

Abstract: A method for estimating job start times on a system may include: performing a first simulation of the system by a first process to generate a first estimate of the start time based a first snapshot of the computing system; and performing a second simulation of the system to generate a second estimate of the start time. The first and second estimates may each be either a distinct time estimate or a range of time estimate, depending on whether the simulations dispatches the job before the respective first and second processes end. The method may then include generating a fifth estimate of the time that the computing job will start by a third process based on estimates respectively generated by the first and second processes.

Abstract: A method for estimating job start times on a system may include: performing a first simulation of the system by a first process to generate a first estimate of the start time based a first snapshot of the computing system; and performing a second simulation of the system to generate a second estimate of the start time. The first and second estimates may each be either a distinct time estimate or a range of time estimate, depending on whether the simulations dispatches the job before the respective first and second processes end. The method may then include generating a fifth estimate of the time that the computing job will start by a third process based on estimates respectively generated by the first and second processes.

Abstract: A method, computer program product, and computer system for backfilling jobs based on energy aware scheduling are provided. A first job is received at a scheduler, where the scheduler manages one or more running jobs based on a plurality of system resources. The plurality of system resources comprises at least one resource constraint. A resource consumption of the first job is estimated based on one or more resource requirements of the first job. A first resource requirement of the one or more resource requirements is determined to exceed the resource constraint. In response to determining that the first resource requirement of the first job exceeds at least one resource constraint, at least one of (i) the first resource requirement of the first job and (ii) the plurality of system resources is modified. The first job is scheduled.