231,328 research outputs found
VM-MAD: a cloud/cluster software for service-oriented academic environments
The availability of powerful computing hardware in IaaS clouds makes cloud
computing attractive also for computational workloads that were up to now
almost exclusively run on HPC clusters.
In this paper we present the VM-MAD Orchestrator software: an open source
framework for cloudbursting Linux-based HPC clusters into IaaS clouds but also
computational grids. The Orchestrator is completely modular, allowing flexible
configurations of cloudbursting policies. It can be used with any batch system
or cloud infrastructure, dynamically extending the cluster when needed. A
distinctive feature of our framework is that the policies can be tested and
tuned in a simulation mode based on historical or synthetic cluster accounting
data.
In the paper we also describe how the VM-MAD Orchestrator was used in a
production environment at the FGCZ to speed up the analysis of mass
spectrometry-based protein data by cloudbursting to the Amazon EC2. The
advantages of this hybrid system are shown with a large evaluation run using
about hundred large EC2 nodes.Comment: 16 pages, 5 figures. Accepted at the International Supercomputing
Conference ISC13, June 17--20 Leipzig, German
Which economic model for a water-efficient Europe? Report of a CEPS Task Force. CEPS Task Force Report, 27 November 2012
This CEPS Task Force Report focuses on how to improve water efficiency in Europe, notably in public supply, households, agriculture, energy and manufacturing as well as across sectors. It presents a number of recommendations on how to make better use of economic policy instruments to sustainably manage the EU’s water resources.
Published in the run-up to the European Commission’s “Blueprint to Safeguard Europe’s Waters”, the report contributes to the policy deliberations in two ways. First, by assessing the viability of economic policy instruments, it addresses a major shortcoming that has so far prevented the 2000 EU Water Framework Directive (WFD) from becoming fully effective in practice: the lack of appropriate, coherent and effective instruments in (some) member states. Second, as the Task Force report is the result of an interactive process involving a variety of stakeholders, it is able to point to the key differences in interpreting and applying WFD principles that have led to a lack of policy coherence across the EU and to offer some pragmatic advice on moving forward
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