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Contact Information
  • Contact information: cstewart the at symbol cse.ohio-state.edu
  • Department of Computer Science and Engineering
    The Ohio State University 
    395 Dreese Lab
    2015 Neil Ave 
    Columbus, OH-43210, USA

  • Office:  793
  • Office phone: (614) 292-7325

Current and Past Team Members

picture of Nan Deng Nan Deng, PhD  
Current
Research project: Nan has been the lead student on the sustainable datacenters project. He has published at OSDI 2010 (poster), ISSST 2011 (award paper) and NOMS 2012.  More information on this work can be found at this webpage.

picture of Jaimie Kelley Jaimie Kelley, PhD  
Current
Research project: Jaimie plans to look into energy efficient systems. She is currently completing coursework after her first year in the program.  More information on this work can be found at this webpage.

picture of Aniket Chakrabarti Aniket Chakrabarti, PhD  
Current
Research project: Aniket is a first year student. He plans to build key-value storage systems that provide very strict SLAs and adapt to changing energy caps.  More information on this work can be found at this webpage.

picture of Alex Bunch Alex Bunch, Undergraduate  
Current
Research project: I am advising Alex's undergraduate thesis. He is designing "GreenMail", an IMAP email service that is powered by renewable energy. Alex will (sadly) leave to CMU in the fall after graduation.  More information on this work can be found at this webpage.

picture of Daiyi Yang Daiyi Yang, Masters  
Completed his Masters degree in December 2011
Research project: Daiyi has been working on data-intensive services, focusing on hashtable middleware like Zookeeper and MemcacheD. His research characterizes the whole performance distribution of these services. En route to his Master's, Daiyi has developed a fairly large codebase that others can build on.  More information on this work can be found at this webpage.

picture of Jing Li Jing Li, Masters  
Completed her Masters degree in September 2011
Research project: Jing has graduated and accepted a position at a startup in New York City. She published her Masters thesis on power in the datacenter at WEED 2011 and ISSST 2011.  More information on this work can be found at this webpage.

picture of Joel Poualeu Joel Poualeu, Undergraduate  
Completed summer research experience
Research project: Joel helped us collect power usage information from several local datacenters. Working with Jing Li, he organized a spreadsheet to capture the organization of power delivery in each datacenter. Then, he spent a month to systematically read the power usage metrics from various LCD dispays in the datacenter.  More information on this work can be found at this webpage.

picture of Nelson Burgos Nelson Burgos, Undergraduate  
Completed summer research experience
Research project: Nelson studied the architecture of real datacenters powered by renewable energy. He contacted managers at datacenters in St Louis, MO, Ronhert Park, CA, and Woodstock, IL. Through direct conversation, he learned about the power delivery infrastructure, grid ties, and battery backup. We hope to build upon the relationships he set up.  More information on this work can be found at this webpage.


Prospective Students

I am no longer looking for PhD students.  There is always need for hard working Masters students though.  My research interests and expectations are described here.  If you are a graduate student in the OSU computer science department or an undergraduate interested in a summer internship, please email me.



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