Predictability of Resource Intensive Big Data and HPC Jobs in Cloud Data Centres
2018
Cloud data centres share physical resources at the same time with multiple users, which can lead to resource interferences. Especially with resource intensive computations like HPC or big data processing jobs, neighbouring applications in a cloud data centre may experience less performance of their assigned virtual resources. This work evaluates the predictability of such resource intensive jobs in principle. The assumption is, that the execution behaviour of such computations depends on the computation and the environment parameters. From these two influencing factors, the predictability is the outcome of removing the hardware dependent environment parameters from the observed execution behaviour, in order to compute any other execution behaviour for computations with similar computation parameters but on a different environment. The assumptions are analysed and evaluated with the HPC application Molpro.
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