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IISWC 2007 Panel Benchmarking in the Web 2.0 Era

IISWC 2007 Panel Benchmarking in the Web 2.0 Era. Prashant Shenoy UMass Amherst. Questions for Position Statement. What do you see as the key emerging workloads? What are the most important hardware and software challenges for these applications?

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IISWC 2007 Panel Benchmarking in the Web 2.0 Era

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  1. IISWC 2007 PanelBenchmarking in the Web 2.0 Era Prashant Shenoy UMass Amherst

  2. Questions for Position Statement • What do you see as the key emerging workloads? • What are the most important hardware and software challenges for these applications? • What are the benchmarking challenges for these workloads/systems? • How can university researchers contribute?

  3. Data Center Workloads • Different types of data centers • Internet data center • Youtube, Facebook, webmail • Enterprise data centers • Business, financial apps • Hosting platforms • 3rd party applications • Web, ecommerce, Amazon EC2 • Workloads depends on type of data center

  4. Technology Trends • Virtualization • Data center apps run inside virtual servers • One or more VM mapped to a physical server • Why? • Flexible mapping of virtual to physical resources • Isolation • Vary resources allocations dynamically • Live migration

  5. Key Question • How does a data center workload impact a virtualized server and vice versa? • Scenario: • App running on physical server • Needs to move to a virtual server • What is the performance impact? • How do two VMs interact? • Memory, I/O not fully isolated. • CPU: impact on shared caches on multi-core cpus

  6. Hurdle • Many research ideas • But… • Few good workloads • SPECWEb, TPCW, • Rubis, Pet store • E-commerce centric, what about other types of data centers?

  7. Research Opportunity • Business apps • Apache openforbiz • Traces • Youtube • VM workloads / traces • Need workloads for “large” environments • Representative of tens or hundreds of machines

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