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Christopher Stewart

  • Associate Professor, Computer Science & Engineering
  • 793 Dreese Laboratories
    2015 Neil Ave
    Columbus, OH 43210
  • 614-292-7325

Honors

  • 20140101-20190101

    Early Career Award.

  • 20140901

    Revision Path Interview.

  • 20131101

    Co-Chair of the ACM Workshop on Diversity in Computer Systems Research (Nominated by Steering Committee).

  • 20120301

    Selected to attend the NSF Career Workshop.

  • 20110501

    Third Best Paper.

  • 20100801

    Best Paper.

Journal Articles

2012

  • David Chiu, Christopher Stewart, and Bart McManus, 2012, "Electric Load Balancing through Low-Cost Workload Migration." ACM SIGMETRICS Performance Evaluation Review 40, no. 3, 6 - 6.

2008

  • Kai Shen, Ming Zhong, Sandhya Dwarkadas, Chuanpeng Li, Christopher Stewart, and Xiao Zhang, 2008, "Hardware counter driven on-the-fly request signatures." ACM SIGOPS Operating System Review 42, no. 2, 189-200 - 189-200.

2007

  • Christopher Stewart, Terence Kelly, Alex Zhang, 2007, "Exploiting nonstationarity for performance prediction." ACM SIGOPS Operating System Review 41, no. 3, 31-44 - 31-44.

Unknown

  • Christopher Stewart and Aniket Chakrabarti, "Meeting Strict Service Level Objectives for Diverse Services." ACM Transactions on Autonomic and Adaptive Computing
  • Christopher Stewart and Nan Deng, "Adaptive and Iterative Green Hosting." ACM Transactions on Autonomic and Adaptive Computing
  • Chistopher Stewart and Vishakha Gupta, "The 2013 Workshop on Diversity in Systems Research." ACM SIGOPS Operating System Review

Presentations

  • "A Key Value Store that Supports Strict SLAs and the Applications that Need it." 2012, Presented at VMWare,
  • "A Key Value Store that Supports Strict SLAs and the Applications that Need it." 2012, Presented at Pacific Northwest National Labs (PNNL),
  • "A Key Value Store that Supports Strict SLAs and the Applications that Need it." 2012, Presented at Google Headquarters,
  • "Adaptive Green Hosting." 2012, Presented at Morehouse College (NSF M-WISE Faculty),
  • "Zoolander: Efficiently Meeting Very Strict, Low-Latency SLOs." 2013, Presented at USENIX International Conference on Autonomic Computing (ICAC),
  • "Balanced and Predictable Networked Storage." 2013, Presented at IEEE Workshop on Datacenter Performance,
  • "Efficient and Sustainable Models for the Next Generations of Internet Services." 2015, Presented at Georgia Tech University,
  • "Efficient and Sustainable Models for the Next Generations of Internet Services." 2015, Presented at Northwestern University,
  • "Challenges for Sustainable Data Ceners." 2015, Presented at National Science Foundation (NSF) Workshop on Sustainable Data Centers,
  • "A Key Value Store that Supports Strict SLAs and the Applications that Need it." 2012, Presented at Microsoft Research Labs,
  • "Modelling and Management for Internet Services." 2010, Presented at University of Indiana/Purdue University at Indianapolis,

Papers in Proceedings

2016

  • Chakrabarti, A.; Parthasarathy, S.; Stewart, C.; IEEE, "Green- and Heterogeneity-Aware Partitioning for Data Analytics." (1 2016).
  • Zichen Xu and Christopher Stewart and Nan Deng and Xiaorui Wang "Blending On-Demand and Spot Instances to Lower Costs for In-Memory Storage." in IEEE International Conference on Computer Communications (Infocom). (4 2016).
  • Chakrabarti, A.; Parthasarathy, S.; Stewart, C. "Green- and Heterogeneity-Aware Partitioning for Data Analytics." in IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS). (1 2016).
  • Chakrabarti, A.; Parthasarathy, S.; Stewart, C. "Green- and heterogeneity-aware partitioning for data analytics." (9 2016).
  • Aniket Chakrabarti and Christopher Stewart and Srini Parthasarathy "Green- and Heterogeneity-Aware Partitioning for Data Analytics." (4 2016).

2015

  • Christopher Stewart and Jing Li "Power-Utilization Provisioning for Data Centers." in IEEE International Green and Sustainable Computing Conference. (12 2015).
  • Jamie Kelley, Christopher Stewart, Devesh Tiwari, Yuxiong He and Sameh Elnikey and Nathaniel Morris "Measuring and Managing Answer Quality for Online Data-Intensive Services." in IEEE International Conference on Autonomic Computing. (7 2015).
  • Jianwei Tu and Christopher Stewart "Replication for Predictability in a Java RPC Framework." in Poster Session at IEEE International Conference on Autonomic Computing. (7 2015).
  • Nan Deng, Zichen Xu, Christopher Stewart and Xiaorui Wang "Tell-Tale Tails: Decomposing Response Times for Live Internet Services." in IEEE International Green and Sustainable Computing Conference. (12 2015).
  • Christopher Stewart and Jaimie Kelley "Tortoises and Hares Among Online Data-Intensive Queries." in Wild and Crazy Ideas of ASPLOS (WACI). (3 2015).
  • Zichen Xu, Nan Deng, Christopher Stewart and Xiaorui Wang "CADRE: Carbon-Aware Data Replication for Geo-Diverse Services." in IEEE International Conference on Autonomic Computing. (7 2015).

2014

  • Sundeep Kambhampati, Jaimie Kelley, William C.L. Stewart, Christopher Stewart, and Rajiv Ramnath "Managing Tiny Tasks for Data-Parallel, Subsampling Workloads." in IEEE Conference on Cloud Engineering. (3 2014).
  • Kambhampati, S.; Kelley, J.; Stewart, C.; Stewart, W.C.L. et al. "Managing tiny tasks for data-parallel, subsampling workloads." (1 2014).
  • Nan Deng and Zichen Xu and Christopher Stewart and Xiaorui Wang "From the Outside Looking In: Probing Web APIs to Build Detailed Workload Profiles." in USENIX Workshop on Feedback Computing. (6 2014).
  • Kambhampati, S.; Kelley, J.; Stewart, C.; Stewart, W.C.L. et al. "Managing Tiny Tasks for Data-Parallel, Subsampling Workloads." in IEEE International Conference on Cloud Engineering (IC2E). (1 2014).
  • Kambhampati, S.; Kelley, J.; Stewart, C.; Stewart, W.C.L. et al. "Managing Tiny Tasks for Data-Parallel, Subsampling Workloads." (1 2014).

2013

  • Jaimie Kelley and Christopher Stewart "Balanced and Predictable Networked Storage." in Workshop on Data Center Performance. (7 2013).
  • Jaimie Kelley, Christopher Stewart, Sameh Elnikety, and Yuxiong He "Cache Provisioning for Interactive NLP Services." in ACM Workshop on Large and Distributed Systems (LADiS). (11 2013).
  • Nan Deng, Chen Li, Christopher Stewart, and Xiaorui Wang "MantisMail: Green Content Delivery for Email." in Poster Session of USENIX Conference on Networked Systems Design and Implementation (NSDI). (4 2013).
  • Christopher Stewart, Aniket Chakrabarti, and Rean Griffith "Zoolander: Efficiently Meeting Very Strict, Low-Latency SLOs." in USENIX International Conference on Autonomic Computing. (6 2013).

2012

  • Nan Deng, Christopher Stewart, Jaimie Kelley, Daniel Gmach and Martin Arlitt Adaptive Green Hosting. in International Conference on Autonomic Computing. http://icac2012.cs.fiu.edu/, (9 2012).
  • Nan Deng, Christopher Stewart, Daniel Gmach, and Martin Arlitt Policy and Mechanism for Carbon-Aware Cloud Applications. in IEEE Network Operations and Management Symposium. http://www.ieee-noms.org/, (4 2012).
  • Aniket Chakrabarti and Christopher Stewart "Zoolander: efficient latency management in NoSQL stores." in Proceedings of the Posters and Demo Track for Middleware 2013. (12 2012).
  • Jaimie Kelley and Christopher Stewart "Graduated Locality-Aware Scheduling for Search Engines." (12 2012).

2011

2010

  • Nan Deng and Christopher Stewart "Tracking and Exploiting Renewable Energy in Grid-Tied Datacenters." in Poster Session of USENIX Conference on Operating Systems Design and Implementation (NSDI). (10 2010).
  • Christopher Stewart, Kai Shen, Arun Iyengar, and Jian Yin EntomoModel: Understanding and Avoiding Performance Anomaly Manifestations (AWARDED BEST PAPER). in Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS). http://mascots2010.cis.fiu.edu/, (8 2010).

2009

2008

2007

2006

  • Peter Derosa, Kai Shen, Christopher Stewart, and Jonathon Pearson Realism and Simplicity: Disk Simulation for Instructional OS Performance Evaluation. in Technical Symposium on Computer Science Education. http://www.cs.rit.edu/~sigcse06/, (3 2006).
  • Christopher Stewart, Ming Zhong, Kai Shen and Thomas O'Neill "Comprehensive Depiction of Configuration-dependent Performance Anomalies in Distributed Server Systems." in USENIX Workshop on Hot Topics in Depedable Systems. (11 2006).

2005

2004

  • Christopher Stewart, Kai Shen, Sandhya Dwarkadas, Michael L. Scott, and Jian Yin "Profile-driven Component Placement for Cluster-based Online Services." in Work In Progress at International Middleware Conference. (11 2004).