Kai Ren

Contact Office: 9009 GHC Computer Science Department Carnegie Mellon University Phone: 412-268-5941 E-mail: kair at alumni dot cmu dot edu
I am a final year Ph.D. student at Computer Science Department in Carnegie Mellon University. My advisors are Garth Gibson and Julio Lopez . Before coming to CMU, I finished my undergraduate in Tsinghua University in July, 2009. I was born in a beautiful historic city Changsha, Hunan Province.

Conference

• SlimDB: A Space-Efficient Key-Value Storage Engine For Semi-Sorted Data Kai Ren, Qing Zheng, Joy Arulraj, Garth Gibson Proceedings of the VLDB Endowment, Vol. 10, No. 13, 2017
  


• ShardFS vs IndexFS: Replication vs. Caching Strategies for Distributed Metadata Management in Cloud Storage Systems Lin Xiao, Kai Ren, Qing Zheng, Garth Gibson ACM Symposium on Cloud Computing (SoCC) 2015 Download: (pdf)
  


• IndexFS: Scaling File System Metadata Performance with Stateless Caching and Bulk Insertion Kai Ren, Qing Zheng, Swapnil Patil, Garth Gibson The International Conference for High Performance Computing, Networking, Storage and Analysis (SC), 2014 Download: (pdf) Slides: (pdf)
  Best Paper Award


• Hadoop's Adolescence: An Analysis of Hadoop Usage in Scientific Workloads Kai Ren, YongChul Kwon, Magdalena Balazinska, Bill Howe Very Large Data Bases (VLDB), 2013 Download: (pdf) Dataset: (link)


• TableFS: Enhancing Metadata Efficiency in the Local File System Kai Ren, Garth Gibson USENIX Annual Technical Conference (ATC), 2013 Download: (pdf) Source Code: (tar.gz)


• RainMon: An Integrated Approach to Mining Bursty Time Series Monitoring Data Ilari Shafer; Kai Ren; Vishnu Naresh Boddeti; Yoshihisa Abe; Christos Faloutsos The 18th ACM SIGKDD Conference on Knowledge Discovery And Data Mining (KDD), 2012 Download: (pdf)


• YCSB++: Benchmarking and Performance Debugging Advanced Features in Scalable Table Stores Swapnil Patil, Milo Polte, Kai Ren, Wittawat Tantisiriroj, Lin Xiao, Julio Lopez, Garth Gibson and Adam Fuchs The ACM Symposium on Cloud Computing (ACM SOCC), 2011 Download: (pdf)


• DiscFinder: A Data-Intensive Scalable Cluster Finder for Astrophysics Bin Fu, Kai Ren, Julio Lopez, Eugene Fink, and Garth Gibson In Proceedings of the ACM International Symposium on High Performance Distributed Computing (HPDC), Chicago, IL, June, 2010. Download: (pdf)

Transaction

• Managing Skew in Hadoop YongChul Kwon, Kai Ren, Magdalena Balazinska, Bill Howe IEEE Data Engineering Bulletin. Vol 36. no 1. March 2013 Download: (pdf)

Workshop

• BatchFS: Scaling the File System Control Plane with Client-Funded Metadata Servers Qing Zheng, Kai Ren and Garth Gibson 9th Petascale Data Storage Workshop Supercomputing (PDSW), 2014. Download: (pdf)


• A Case for Scaling HPC Metadata Performance through De-specialization Swapnil Patil, Kai Ren and Garth Gibson 7th Petascale Data Storage Workshop Supercomputing (PDSW), 2012. Download: (pdf)


• TableFS: Embedding a NoSQL Database Inside the Local File System Kai Ren, Garth Gibson 1st Storage System, Hard Disk and Solid State Technologies Summit, IEEE Asia-Pacific Magnetic Recording Conference (APMRC), 2012 Download: (pdf)


• Otus: Resource Attribution in Data-Intensive Clusters Kai Ren, Julio Lopez and Garth Gibson In The Second Internationl Workshop on MapReduce and its Application (MAPREDUCE), San Jose, CA, June 2011. Download: (pdf)

Technical Report

• Hadoop's Adolescence: A Comparative Workload Analysis from Three Research Clusters Kai Ren, YongChul Kwon, Magdalena Balazinska, Bill Howe Carnegie Mellon University Parallel Data Lab Technical Report. CMU-PDL-12-106 June 2012. Download: (pdf)