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Pilot job
In computer science, a pilot job is a type of multilevel scheduling, in which a resource is acquired by an application so that the application can schedule work into that resource directly, rather than going through a local job scheduler, which might lead to queue waits for each work unit. This term comes from the Condor High-Throughput Computing System, in which Condor GlideIns〔I. Sfiligoi. "glideinWMS—a generic pilot-based workload management system", J. Phys. 2008: Conf. Ser. 119 062044 , http://iopscience.iop.org/1742-6596/119/6/062044〕 provides this functionality. Other examples of pilot jobs are: the (BigJob ) implemented in SAGA,〔André Luckow, Lukasz Lacinski, Shantenu Jha. SAGA BigJob: An Extensible and Interoperable Pilot-Job Abstraction for Distributed Applications and Systems, 10th IEEE/ACM International Conference on Cluster, Cloud and Grid Computing, 2010, doi: (10.1109/CCGRID.2010.91 )〕 Swift Coasters as part of the Swift〔Michael Wilde et al., Swift: A language for distributed parallel scripting Parallel Computing (2011), Volume: 37, Issue: May, Publisher: Elsevier B.V., Pages: 633-652, , http://dx.doi.org/10.1016/j.parco.2011.05.005〕 parallel scripting system, the Falkon〔I. Raicu, Y. Zhao, C. Dumitrescu, I. Foster, M. Wilde. "Falkon: A Fast and Lightweight Task Execution Framework," IEEE/ACM SC, 2007, http://www.cs.iit.edu/~iraicu/research/publications/2007_SC07_Falkon.pdf〕 lightweight task execution framework, and (HTCaaS ).〔Jik-Soo Kim, Seungwoo Rho, Seoyoung Kim, Sangwan Kim, Seokkyoo Kim, and Soonwook Hwang, HTCaaS: Leveraging Distributed Supercomputing Infrastructures for Large-Scale Scientific Computing, ACM 6th Workshop on Many-Task Computing on Clouds, Grids, and Supercomputers (MTAGS'13) held with SC13, November 2013, http://datasys.cs.iit.edu/events/MTAGS13/p02.pdf〕
Pilot jobs are most often used on systems that have queues, as part of their purpose is, in some sense, to avoid multiple waits in these queues. These are most often found in parallel computing systems, but pilot jobs are usually part of a distributed application, and are many times associated with Many-task computing.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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