{"463741":{"#nid":"463741","#data":{"type":"event","title":"PhD Defense by Adit Ranadive","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003ETitle: Virtualized Resource Management in High Performance Fabric Clusters\u003C\/strong\u003E\u003Cbr \/\u003E \u003Cbr \/\u003E \u003Cstrong\u003EAdit Ranadive\u003C\/strong\u003E\u003Cbr \/\u003E School of Computer Science\u003Cbr \/\u003E College of Computing\u003Cbr \/\u003E Georgia Institute of Technology\u003Cbr \/\u003E \u003Cbr \/\u003E Date: November 12, 2015 (Thursday)\u003Cbr \/\u003E Time: 12:00 PM - 2:00 PM (EST)\u003Cbr \/\u003E \u003Cstrong\u003ELocation: KACB 2100\u003C\/strong\u003E\u003Cbr \/\u003E \u003Cbr \/\u003E \u003Cstrong\u003ECommittee:\u003C\/strong\u003E\u003Cbr \/\u003E ---------------\u003C\/p\u003E\u003Cp\u003E\u003Cbr \/\u003E Dr. Karsten Schwan (Advisor, School of Computer Science, Georgia Tech)\u003Cbr \/\u003E Dr. Ada Gavrilovska (Advisor, School of Computer Science, Georgia Tech)\u003Cbr \/\u003E Dr. Sudhakar Yalamanchili (School of Electrical and Computer Engineering, Georgia Tech)\u003Cbr \/\u003E Dr. Ellen Zegura (School of Computer Science, Georgia Tech)\u003Cbr \/\u003E Dr. Ling Liu (School of Computer Science, Georgia Tech)\u003Cbr \/\u003E Dr. Douglas M. Blough (School of Electrical and Computer Engineering, Georgia Tech)\u003Cbr \/\u003E \u003Cbr \/\u003E \u003Cstrong\u003EAbstract:\u003C\/strong\u003E\u003Cbr \/\u003E ------------\u003C\/p\u003E\u003Cp\u003E\u003Cbr \/\u003E Providing performance and isolation guarantees for applications running in virtualized datacenter environments requires continuous management of the underlying physical resources. For communication- and I\/O-intensive applications running on such platforms, the management methods must adequately deal with the shared use of the high-performance fabrics these applications require. In particular, new classes of latency-sensitive and data-intensive workloads running in virtualized environments rely on emerging fabrics like 40+Gbps Ethernet and InfiniBand\/RoCE with support for RDMA, VMM-bypass and hardware-level virtualization (SR-IOV). However, the benefits provided by these technology advances are offset by several management constraints: (i) the inability of the hypervisor to monitor the VMs\u2019 usage of these fabrics can affect the platform\u2019s ability to provide isolation and performance guarantees, (ii) the hypervisor cannot provide fine-grained I\/O provisioning or perform management decisions for VMs, thus reducing the degree of consolidation that can be supported on the platforms, and (iii) without such support it is harder to integrate these fabrics into emerging cloud computing platforms and datacenter fabric management solutions. This is made particularly challenging for workloads spanning multiple VMs, utilizing physical resources distributed across multiple server nodes and the interconnection fabric.\u003Cbr \/\u003E \u003Cbr \/\u003E This thesis addresses the problem of realizing a flexible, dynamic resource management system for virtualized platforms with high performance fabrics. We make the following key contributions:\u003Cbr \/\u003E (i) A lightweight monitoring tool, IBMon, integrated with the hypervisor to monitor VMs\u2019 use of RDMA-enabled virtualized interconnects, using memory introspection techniques. \u003Cbr \/\u003E (ii) The design and construction of a resource management system that leverages IBMon to provide latency-sensitive applications performance guarantees. This system is built on microeconomic principles of supply and demand and can be deployed on a per-node (Resource Exchange) or a multi-node (Distributed Resource Exchange) basis. Fine-grained resource allocations can be enforced through several mechanisms, including CPU capping or fabric-level congestion control.\u003Cbr \/\u003E (iii) Sphinx, a fabric management solution that leverages Resource Exchange to orchestrate network and provide latency proportionality for consolidated workloads, based on user\/application-specified policies. \u003Cbr \/\u003E (iv) Implementation and experimental evaluation using InfiniBand clusters virtualized with the Xen or KVM hypervisor, managed via the OpenFloodlight SDN controller, and using representative data-intensive and latency-sensitive benchmarks. \u003C\/p\u003E\u003Cp\u003E \u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Virtualized Resource Management in High Performance Fabric Clusters"}],"uid":"27707","created_gmt":"2015-10-28 14:55:06","changed_gmt":"2016-10-08 02:14:35","author":"Tatianna Richardson","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2015-11-12T16:00:00-05:00","event_time_end":"2015-11-12T18:00:00-05:00","event_time_end_last":"2015-11-12T18:00:00-05:00","gmt_time_start":"2015-11-12 21:00:00","gmt_time_end":"2015-11-12 23:00:00","gmt_time_end_last":"2015-11-12 23:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"221981","name":"Graduate Studies"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78771","name":"Public"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}