SYSTEMS RESEARCH LAB - Key Persons
Abhishek Grover is a Computer Science masters student. He is working with Prof. Carlos Maltzahn on ZLog and Bookkeeper projects.
Job Titles:
- Joe Buck, Carlos Maltzahn, and Scott Brandt, "Compressing Intermediate Keys Between Mappers and Reducers in SciHadoop, " in PDSW'12, Salt Lake City, UT, 2012
Ning Liu, Jason Cope, Philip Carns, Christopher Carothers, Robert Ross, Gary Grider, Adam Crume, and Carlos Maltzahn, "On the Role of Burst Buffers in Leadership-class Storage Systems," in MSST/SNAPI 2012, Pacific Grove, CA, 2012.
Job Titles:
- Member of the HPC Systems Integration Team at LANL
Andrew Shewmaker is a member of the HPC Systems Integration team at LANL. He is researching network Quality of Service in support of end-to-end performance management for distributed storage systems with Carlos Maltzahn, Katia, Obraczka, and Scott Brandt.
Anna Povzner received her Ph.D. working with Prof. Scott Brandt on efficient guaranteed disk I/O performance management. Her research interests include real-time systems, storage quality of service, and storage performance management. She is a Research Staff Member in Storage Systems group at IBM Almaden Research Center.
Job Titles:
- Director of the UCSC
- Professor
Ning Liu, Jason Cope, Philip Carns, Christopher Carothers, Robert Ross, Gary Grider, Adam Crume, and Carlos Maltzahn, "On the Role of Burst Buffers in Leadership-class Storage Systems," in MSST/SNAPI 2012, Pacific Grove, CA, 2012.
Carlos Maltzahn is Director of the UCSC Systems Research Lab, Director of the Center for Research in Open Source Software, Director of the UCSC/Los Alamos Institute for Scalable Scientific Data Management, and Associate Adjunct Professor of Computer Science.
He joined UCSC in January 2005 after five years at Network Appliance. His current research interests include scalable file system data and metadata management, storage QoS, data management games, network intermediaries, information retrieval, and cooperation dynamics.
Carlos Maltzahn and others, "Big Weather Web: A common and sustainable big data infrastructure in support of weather prediction research and education in universities," Feb-2016.
Adam Crume is a PhD student in Computer Science. He is working with Professor Carlos Maltzahn on the Damasc project.
Dimitris Skourtis received his Ph.D. on predictable performance for flash storage. His research interests include flash-based storage systems, storage QoS, and resource management. Dimitris has a degree in Mathematics from the University of St. Andrews. He has completed two internships at VMware working on resource management. He is a member of the DRS group at VMware.
Dimitris Skourtis, Noah Watkins, Dimitris Achlioptas, Carlos Maltzahn, and Scott Brandt, "Latency Minimization in SSD Clusters for Free," UCSC, Santa Cruz, CA, Tech. rept. UCSC-SOE-13-10, Jul. 2013.
Esteban Molina-Estolano received a Master's degree in Computer Science in 2011.
He worked on scalable simulation of parallel filesystems with Carlos Maltzahn, in collaboration with Los Alamos National Laboratory. Before coming to UCSC, he completed a B.S. in Computer Science at Harvey Mudd College.
Greg Levin received a BS in Mathematics from Harvey Mudd College, and a PhD in Mathematical Sciences from Johns Hopkins. After teaching mathematics at Harvey Mudd for four years, and writing software for five, he returned to academia in 2006 at UCSC to pursue a PhD in Computer Science. He is currently working with Scott Brandt on optimal real-time multiprocessor scheduling algorithms.
Ian works on the WikiTrust project, who also has a soft spot for coffee. When he is not obsessively monitoring logs or thinking about databases, Ian likes to build cool toys like an Arduino-based networked toaster or spend the afternoon biking around Santa Cruz.
Ivo Jimenez is a PhD candidate at the UC Santa Cruz Computer Science Department and a member of the Systems Research Lab. His interests center around distributed storage and data management systems. His current research focuses on the reproducible evaluation and validation of systems research. In particular, he is interested in developing new methodologies for making it practical for researchers to generate reproducible academic articles. Ivo holds a B.S. in Computer Science from University of Sonora and is a UCMEXUS/CoNaCyT doctoral fellow. Before joining the PhD program, he worked for four years as a Research Associate at HP Labs working in the Advanced Database Research laboratory.
Noah Watkins, Michael A. Sevilla, Ivo Jimenez, Kathryn Dahlgren, Peter Alvaro, Shel Finkelstein, and Carlos Maltzahn, "DeclStore: Layering is for the Faint of Heart," in HotStorage '17, Santa Clara, CA, 2017.
Jan Pieper is a part-time graduate student at UCSC. He holds a Diploma Engineering Degree in Computer Science from the University of Applied Sciences in Hamburg, Germany and is a full time employee at the IBM Almaden Research Center in San Jose, CA.
Jan joined IBM Almaden as a summer student in 2000. He enjoyed working on streaming media, service oriented architectures and the MPEG-7 standard so much, that he quickly applied for a full-time position. He spent most of his time at Almaden working on various aspects of semantic super computing, serving as the chief architect for WebFountain and contributing to the BBC SoundIndex and MONGOOSE projects. Jan's current interests include social and collaboration software for the enterprise, data mining, data deduplication and cloud computing.
Jeff LeFevre is a computer sciences graduate student. He is collaborating on the Damasc project.
Joe Buck defended his thesis "EXTENDING MAPREDUCE FOR SCIENTIFIC DATA" on April 30th, 2014. He has accepted a position with Amazon at their Seattle office. He plans to continue working on the SciHadoop / SIDR code as freetime allows and welcomes opportunities to collaborate on this work.
Joe's research focused on in-situ processing and large-scale storage with the DAMASC team. After graduating from Bethel University (St. Paul, MN) with a BS in Computer Science in 2004, Joe spent four years writing systems level software for enterprise customers at Veritas, now part of Symantec. In addition to his research and classroom work, Joe has completed internships at Google (2009), Microsoft (2010), Greenplum (2012) and was a summer research intern at Los Alamos National Laboratory (2011).
Joshua Hacker, Carlos Maltzahn, Gretchen Mullendore, and Russ Schumacher, "Big Weather - A workshop on overcoming barriers to distributed production, storage, and analysis of multi-model ensemble forecasts in support of weather prediction research and education in universities." Web page. www.rap.ucar.edu/staff/hacker/BigWeather.pdf, Jan-2014.
Job Titles:
- Professor at UC Santa Cruz 's Jack Baskin School of Engineering
- Professor, Computer Engineering
Katia Obraczka is a Professor at UC Santa Cruz's Jack Baskin School of Engineering. Her research and teaching interests include computer networks, distributed systems, Internet information systems, and operating systems.
Job Titles:
- Noah Watkins, Ivo Jimenez, Peter Alvaro, Shel Finkelstein, Jeff LeFevre, and Carlos Maltzahn, "Malacology: a Programmable Storage System, " in EuroSys '17, Belgrade, Serbia, 2017
Michael Sevilla is a graduate student working with Carlos Maltzahn and Ike Nassi on load balancing in distributed file systems. He received his B.S. at the University of California, Irvine with a degree in Computer Science and Engineering in July 2011. His research interests include operating systems (tracing and profiling), storage systems, computer architectures, and networking. Michael has completed internships at HP, HPE, and Cisco.
Noah Watkins, Michael A. Sevilla, Ivo Jimenez, Kathryn Dahlgren, Peter Alvaro, Shel Finkelstein, and Carlos Maltzahn, "DeclStore: Layering is for the Faint of Heart," in HotStorage '17, Santa Clara, CA, 2017.
Neha Ojha is a graduate student in Computer Science at UC Santa Cruz. She is a member of the Systems Research Lab, who works with Professor Carlos Maltazhn on distributed storage systems. She is involved with the ZLog project, which is a distributed shared-log that runs on Ceph. She has contributed to making ZLog dynamically reconfigurable, building ZLogKV-a key-value store using ZLog and evaluating tiering capabilities in ZLog. Neha has completed her internship at Red Hat, where she worked on building an SDK for Ceph object classes.
Job Titles:
- Associate Professor at UC Santa Cruz
Neoklis Polyzotis is currently an associate professor at UC Santa Cruz. His research focuses on online index tuning, scientific data management, and declarative crowdsourcing. He is the recipient of an NSF CAREER award in 2004 and of an IBM Faculty Award in 2005 and 2006. He has also received the runner-up for best paper in VLDB 2007 and the best newcomer paper award in ACM PODS 2008. He received his PhD from the University of Wisconsin at Madison in 2003.
Roberto Pineiro is a PhD student working on buffer management for predictable performance with Professor Scott Brandt. Before graduate studies at UCSC, he earned a B.S in Mathematics and a M.S. in Computer Engineering from the University of Puerto Rico- Mayaguez.
Rosie Wacha is a Ph.D. student at UCSC advised by Scott Brandt. She works with Los Alamos National Laboratory as a member of the Institute for Scalable Scientific Data Management (ISSDM). Her primary research focus is on how to use SSDs in storage systems. Before coming to UCSC, she completed her B.S. in Computer Science at Harvey Mudd College.
Founding Member, New Dream Network. Sage Weil received his Ph.D. from UCSC in 2006 under the direction of Scott Brandt and Carlos Maltzahn. Sage designed Ceph as part of his PhD research. Since graduating, he has continued to refine the system with the goal of providing a stable next generation distributed file system. Prior to his graduate work, Sage helped found New Dream Network, the company behind Dreamhost web hosting (dreamhost.com), who now supports a small team of Ceph developers.
Job Titles:
- Science Advised by Professor
Sasha Ames is a PhD candidate in Computer Science advised by Professor Carlos Maltzahn. He pursues his graduate studies while working at Lawrence Livermore National Laboratory under the supervision of Dr. Maya Gokhale, through the Lawrence Scholar Program. His research focus is on file system metadata services using a graph data model and query language interface. Prior to his graduate studies, he earned a B.A. in Computer Science at Columbia University and spent several years working in industry.
Job Titles:
- Professor
- Professor of Computer Science
- Vice Chancellor for Research / Professor, Computer Science
Scott Brandt is Professor of Computer Science, the UCSC Director of the ISSDM and Director of the UCSC Systems Research Laboratory. He is also co- founder of the UCSC Storage Systems Research Center. Scott's research is in the area of Computer Systems. He specializes in both storage systems and real-time systems. His current storage system research focuses on high-performance peta-scale distributed object-based storage, while his real-time research focuses on integrating real-time and non-real-time processing into a uniform processing environment. His most recent research integrates the two, researching novel solutions for robust guarantee-able management of varied system resources, including CPU, disk, memory, and network.
David Bigelow is a PhD student working on real-time high-bandwidth data management with Professor Scott Brandt, and in collaboration with researchers at Los Alamos National Laboratory. Before graduate studies at UCSC, he earned a B.S in Computer Science and Mathematics from the College of William and Mary.
Assistant Director, CROSS - Stephanie's responsibilities include managing the operations of CROSS programs, and playing a key role in formulating and implementing short- and long-term plans for CROSS. Stephanie will also coordinate infrastructure, supervision, mentorship, and evaluation of incubator projects and coordinate CROSS project proposal calls and submissions.
Prior to joining CROSS, Stephanie Lieggi was an Adjunct Professor at the Middlebury Institute of International Studies at Monterey where she was the Principal Investigator on numerous research and training grants at the James Martin Center for Nonproliferation Studies.
Job Titles:
- Engineer and Researcher at the IBM Almaden Research Center
Varun holds a Master's degree in Computer Science from University of Florida, Gainesville, and is currently pursuing a part-time PhD at the University of California, Santa Cruz. He works with Professor Carlos Maltzahn.
Varun Bhagwan is an engineer and researcher at the IBM Almaden Research Center located in San Jose, California. His interests lie in the field of text analytics, data mining, machine learning/AI, internet technologies, and services science. Since joining IBM research in 2001, Varun has worked at multiple levels of a large scale text mining project, ranging from cluster management, to indexing a multi-billion page corpus, to crawling the internet. He is currently a member of the Almaden Services Research (ASR) department.
Job Titles:
- Professor, Computer Science