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Title

An efficient cloud scheduler design supporting preemptible instances

AuthorsLópez García, Álvaro ; Fernández-del-Castillo, Enol ; Campos, Isabel
KeywordsCloud computing
Scheduling
Preemptible instances
Spot instances
Resource allocation
Issue Date2019
PublisherElsevier
CitationFuture Generation Computer Systems 95: 68-78 (2019)
AbstractMaximizing resource utilization by performing an efficient resource provisioning is a key factor for any cloud provider: commercial actors can maximize their revenues, whereas scientific and non-commercial providers can maximize their infrastructure utilization. Traditionally, batch systems have allowed data centers to fill their resources as much as possible by using backfilling and similar techniques. However, in an IaaS cloud, where virtual machines are supposed to live indefinitely, or at least as long as the user is able to pay for them, these policies are not easily implementable. In this work we present a new scheduling algorithm for IaaS providers that is able to support preemptible instances, that can be stopped by higher priority requests without introducing large modifications in the current cloud schedulers. This scheduler enables the implementation of new cloud usage and payment models that allow more efficient usage of the resources and potential new revenue sources for commercial providers. We also study the correctness and the performance overhead of the proposed scheduler against existing solutions.
Publisher version (URL)https://doi.org/10.1016/j.future.2018.12.057
URIhttp://hdl.handle.net/10261/173820
DOI10.1016/j.future.2018.12.057
ISSN0167-739X
Appears in Collections:(IFCA) Artículos
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