Carlos Maltzahn


  • Adjunct Professor, CS
  • Director, SRL
  • Director, CROSS
  • Director, ISSDM
    • Office: E2-369
    Email: carlosm@ucsc.edu

    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.

    Research Interests

    Scalable file system data and metadata management, storage qos, data management games, network intermediaries, information retrieval, cooperation dynamics.

    Publications

    • Michael A. Sevilla and Carlos Maltzahn, “Popper Pitfalls: Experiences Following a Reproducibility Convention,” in P-RECS’18, Tempe, AZ, 2018.
    • Michael A. Sevilla, Carlos Maltzahn, Peter Alvaro, Reza Nasirigerdeh, Bradley W. Settlemyer, Danny Perez, David Rich, and Galen M. Shipman, “Programmable Caches with a Data Management Language & Policy Engine,” in CCGRID ’18, Washington, DC, 2018.
    • Michael A. Sevilla, Reza Nasirigerdeh, Carlos Maltzahn, Jeff LeFevre, Noah Watkins, Peter Alvaro, Margaret Lawson, Jay Lofstead, and Jim Pivarski, “Tintenfisch: File System Namespace Schemas and Generators,” UC Santa Cruz, Santa Cruz, CA, Tech. rept. UCSC-SOE-18-08, Apr. 2018.
    • Philip Kufeldt, Carlos Maltzahn, Tim Feldman, Christine Green, Grant Mackey, and Shingo Tanaka, “Eusocial Storage Devices - Offloading Data Management to Storage Devices that Can Act Collectively,” ;login: The USENIX Magazine, vol. 43, no. 2, pp. 16–22, 2018.
    • Michael A. Sevilla, Ivo Jimenez, Noah Watkins, Jeff LeFevre, Peter Alvaro, Shel Finkelstein, Patrick Donnelly, and Carlos Maltzahn, “Cudele: An API and Framework for Programmable Consistency and Durability in a Global Namespace,” in IPDPS 2018, Vancouver, BC, Canada, 2018.
    • Ivo Jimenez, Michael Sevilla, Noah Watkins, Carlos Maltzahn, Jay Lofstead, Kathryn Mohror, Andrea Arpac-Dusseau, and Remzi Arpaci-Dusseau, “The Popper Convention: Making Reproducible Systems Evaluation Practical,” in 4th International Workshop on Reproducibility in Parallel Computing (REPPAR) in conjunction with IPDPS 2017, Orlando, FL, 2017.
    • Michael A. Sevilla, Noah Watkins, Ivo Jimenez, Peter Alvaro, Shel Finkelstein, Jeff LeFevre, and Carlos Maltzahn, “Malacology: A Programmable Storage System,” in EuroSys ’17, Belgrade, Serbia, 2017.
    • 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.
    • Zhihao Jia, Sean Treichler, Galen Shipman, Michael Bauer, Noah Watkins, Carlos Maltzahn, Pat McCormick, and Alex Aiken, “Integrating External Resources with a Task-Based Programming Model,” in HiPC 2017, Jaipur, India, 2017.
    • Latchesar Ionkov, Carlos Maltzahn, and Michael Lang, “Optimized Scatter/Gather Data Operations for Parallel Storage,” in PDSW-DISCS 2017 at SC17, Denver, CO, 2017.
    • Joshua P. Hacker, John Exby, David Gill, Ivo Jimenez, Carlos Maltzahn, Timothy See, Gretchen Mullendore, and Kathryn Fossell, “A Containerized Mesoscale Model and Analysis Toolkit to Accelerate Classroom Learning, Collaborative Research, and Uncertainty Quantification,” Bull. Amer. Meteor. Soc., vol. 98, pp. 1129–1138, 2017.
    • Ivo Jimenez, Andrea Arpaci-Dusseau, Remzi Arpaci-Dusseau, Jay Lofstead, Carlos Maltzahn, Kathryn Mohror, and Robert Ricci, “PopperCI: Automated Reproducibility Validation,” in Workshop on Computer and Networking Experimental Research Using Testbeds (CNERT’17) in conjunction with IEEE INFOCOM 2017, Atlanta, GA, 2017.
    • Josh Hacker, John Exby, David Gill, Ivo Jimenez, Carlos Maltzahn, Tim See, and Gretchen Mullendore, “Collaborative WRF-based research and education with reproducible numerical weather prediction enabled by software containers,” in 17th annual WRF Users Workshop, Boulder, CO, 2016.
    • Andrew G. Shewmaker, Carlos Maltzahn, Katia Obraczka, Scott Brandt, and John Bent, “TCP Inigo: Ambidextrous Congestion Control,” in 25th International Conference on Computer Communications and Networks (ICCCN 2016), Waikoloa, HI, 2016.
    • Ivo Jimenez, Michael Sevilla, Noah Watkins, Carlos Maltzahn, Jay Lofstead, Kathryn Mohror, Remzi Arpaci-Dusseau, and Andrea Arpaci-Dusseau, “Standing on the Shoulders of Giants by Managing Scientific Experiments Like Software,” USENIX ;login: vol. 41, no. 4, pp. 20–26, 2016.
    • Scott A. Klasky, Hasan Abbasi, Mark Ainsworth, J. Choi, Matthew Curry, T. Kurc, Qing Liu, Jay Lofstead, Carlos Maltzahn, Manish Parashar, Norbert Podhorszki, Eric Suchyta, Fang Wang, Matthew Wolf, C. S. Chang, M. Churchill, and S. Ethier, “Exascale Storage Systems the SIRIUS Way,” J. Phys.: Conf. Ser., vol. 759, no. 1, p. 012095, Nov. 2016.
    • Noah Watkins, Michael Sevilla, Ivo Jimenez, Neha Ohja, Peter Alvaro, and Carlos Maltzahn, “Brados: Declarative,Programmable Object Storage,” in SoCC’16, Santa Clara, CA, 2016.
    • Nic Brummell, John L. Gustafson, Andrew Klofas, Carlos Maltzahn, and Andrew Shewmaker, “Unum Arithmetic: Better Math with Clearer Tradeoffs,” in PMES 2016, 2016.
    • Josh Hacker, John Exby, Nick Chartier, David Gill, Ivo Jimenez, Carlos Maltzahn, and Gretchen Mullendore, “Collaborative Research and Education with Numerical Weather Prediction Enabled by Software Containers,” in American Meteorological Society 32nd Conference on Environmental Processing Technologies, 2016.
    • Noah Watkins, Michael Sevilla, and Carlos Maltzahn, “The Case for Programmable Object Storage Systems,” UC Santa Cruz, Santa Cruz, CA, Tech. rept. UCSC-SOE-15-12, Jun. 2016.
    • 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.
    • Ivo Jimenez, Michael Sevilla, Noah Watkins, and Carlos Maltzahn, “Popper: Making Reproducible Systems Performance Evaluation Practical,” UC Santa Cruz, Santa Cruz, CA, Tech. rept. UCSC-SOE-16-10, May 2016.
    • Ivo Jimenez, Carlos Maltzahn, Jay Lofstead, Adam Moody, Kathryn Mohror, Remzi Arpaci-Dusseau, and Andrea Arpaci-Dusseau, “Characterizing and Reducing Cross-Platform Performance Variability Using OS-level Virtualization,” in VarSys’16, Chicago, IL, 2016.
    • Manzanares, Noah Watkins, Cyril Guyot, Damien LeMoal, Carlos Maltzahn, and Zvonimir Bandic, “ZEA, A Data Management Approach for SMR,” in HotStorage ’16, Denver, CO, 2016.
    • Ivo Jimenez, Carlos Maltzahn, Jay Lofstead, Kathryn Mohror, Adam Moody, Remzi Arpaci-Dusseau, and Andrea Arpaci-Dusseau, “Tackling the Reproducibility Problem in Storage Systems Research with Declarative Experiment Specifications,” in PDSW’15, Austin, TX, 2015.
    • Noah Watkins, Michael Sevilla, and Carlos Maltzahn, “The Case for Programmable Object Storage Systems,” UC Santa Cruz, Tech. rept. UCSC-SOE-15-12, Jun. 2015.
    • Michael Sevilla, Noah Watkins, Carlos Maltzahn, Ike Nassi, Scott Brandt, Sage Weil, Greg Farnum, and Sam Fineberg, “Mantle: A Programmable Metadata Load Balancer for the Ceph File System,” in SC ’15, Austin, TX, 2015.
    • Noah Watkins, Zhihao Jia, Galen Shipman, Carlos Maltzahn, Alex Aiken, and Pat McCormick, “Automatic and transparent I/O optimization with storage integrated application runtime support,” in PDSW’15, Austin, TX, 2015.
    • Michael Sevilla, Ike Nassi, Kleoni Ioannidou, Scott Brandt, and Carlos Maltzahn, “SupMR: Circumventing Disk and Memory Bandwidth Bottlenecks for Scale-up MapReduce,” in LSPP at IPDPS 2014, Phoenix, AZ, 2014.
    • 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.
    • Dimitris Skourtis, Dimitris Achlioptas, Noah Watkins, Carlos Maltzahn, and Scott Brandt, “Flash on Rails: Consistent Flash Performance through Redundancy,” in USENIX ATC ’14, Philadelphia, PA, 2014.
    • Carlos Maltzahn, Arnav Jhala, Michael Mateas, and Jim Whitehead, “Gamification of Private Digital Data Archive Management,” in GamifIR’14 at ECIR’14, Amsterdam, Netherlands, 2014.
    • Adam Crume, Carlos Maltzahn, Lee Ward, Thomas Kroeger, and Matthew Curry, “Automatic Generation of Behavioral Hard Disk Drive Access Time Models,” in MSST ’14, Santa Clara, CA, 2014.
    • Adam Crume, Carlos Maltzahn, Lee Ward, Thomas Kroeger, and Matthew Curry, “Automatic Generation of Behavioral Hard Disk Drive Access Time Models,” University of California at Santa Cruz, Santa Cruz, CA, Technical Report UCSC-SOE-14-02, Mar. 2014.
    • Dimitris Skourtis, Dimitris Achlioptas, Noah Watkins, Carlos Maltzahn, and Scott Brandt, “Erasure Coding & Read/Write Separation in Flash Storage,” in INFLOW ’14 (at OSDI’14), Broomfield, CO, 2014.
    • Andrew Shewmaker, Carlos Maltzahn, Katia Obraczka, and Scott Brandt, “Run, Fatboy, Run: Applying the Reduction to Uniprocessor Algorithm to Other Wide Resources,” University of California at Santa Cruz, Santa Cruz, CA, Tech. rept. UCSC-SOE-14-08, Jul. 2014.
    • Dimitris Skourtis, Scott A. Brandt, and Carlos Maltzahn, “Ianus: Guaranteeing High Performance in Solid-State Drives,” UCSC, Santa Cruz, CA, Tech. rept. UCSC-SOE-13-08, May 2013.
    • Latchesar Ionkov, Mike Lang, and Carlos Maltzahn, “DRepl: Optimizing Access to Application Data for Analysis and Visualization,” in MSST ’13, Long Beach, CA, 2013.
    • Micheal Sevilla, Ike Nassi, Kleoni Ioannidou, Scott Brandt, and Carlos Maltzahn, “A Framework for an In-depth Comparison of Scale-up and Scale-out,” in DISCS 2013 at SC13, Denver, CO, 2013.
    • Ivo Jimenez, Carlos Maltzahn, Jai Dayal, and Jay Lofstead, “Exploring Trade-offs in Transactional Parallel Data Movement,” in Poster Session at PDSW 2013 at SC13, Denver, CO, 2013.
    • Adam Crume, Carlos Maltzahn, Lee Ward, Thomas Kroeger, Matthew Curry, and Ron Oldfield, “Fourier-Assisted Machine Learning of Hard Disk Drive Access Time Models,” in PDSW’13, Denver, CO, 2013.
    • Dimitris Skourtis, Dimitris Achlioptas, Carlos Maltzahn, and Scott Brandt, “High Performance & Low Latency in Solid-State Drives Through Redundancy,” in INFLOW ’13, Farmington, PA, 2013.
    • Noah Watkins, Carlos Maltzahn, Scott Brandt, Ian Pye, and Adam Manzanares, “In-Vivo Storage System Development,” University of California Santa Cruz, Santa Cruz, CA, Technical Report UCSC-SOE-13-02, Mar. 2013.
    • Noah Watkins, Carlos Maltzahn, Scott Brandt, Ian Pye, and Adam Manzanares, “In-Vivo Storage System Development,” in BigDataCloud ’13 (in conjunction with EuroPar 2013), Aachen, Germany, 2013.
    • Joe Buck, Noah Watkins, Greg Levin, Adam Crume, Kleoni Ioannidou, Scott Brandt, Carlos Maltzahn, Neoklis Polyzotis, and Aaron Torres, “SIDR: Structure-Aware Intelligent Data Routing in Hadoop,” in SC ’13, Denver, CO, 2013.
    • 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.
    • Jun He, John Bent, Aaron Torres, Gary Grider, Garth Gibson, Carlos Maltzahn, and Xian-He Sun, “I/O Acceleration with Pattern Detection,” in HPDC ’13, New York City, NY, 2013.
    • Jun He, John Bent, Aaron Torres, Gary Grider, Garth Gibson, Carlos Maltzahn, and Xian-He Sun, “Discovering Structure in Unstructured I/O,” in PDSW’12, Salt Lake City, UT, 2012.
    • Joe Buck, Noah Watkins, Greg Levin, Adam Crume, Kleoni Ioannidou, Scott Brandt, Carlos Maltzahn, and Neoklis Polyzotis, “Structure-Aware Intelligent Data Routing in SciHadoop,” University of California Santa Cruz, Santa Cruz, CA, Technical Report UCSC-SOE-12-08, Jul. 2012.
    • Adam Crume, Joe Buck, Noah Watkins, Carlos Maltzahn, Scott Brandt, and Neoklis Polyzotis, “SciHadoop Semantic Compression,” University of California Santa Cruz, Santa Cruz, CA, Technical Report UCSC-SOE-12-13, Aug. 2012.
    • Noah Watkins, Carlos Maltzahn, Scott A. Brandt, and Adam Manzanares, “DataMods: Programmable File System Services,” in PDSW’12, Salt Lake City, UT, 2012.
    • Adam Crume, Joe Buck, Carlos Maltzahn, and Scott Brandt, “Compressing Intermediate Keys between Mappers and Reducers in SciHadoop,” in PDSW’12, Salt Lake City, UT, 2012.
    • Noah Watkins, Carlos Maltzahn, Scott A. Brandt, and Adam Manzanares, “DataMods: Programmable File System Services,” University of California Santa Cruz, Santa Cruz, CA, Technical Report UCSC-SOE-12-07, Jul. 2012.
    • Varun Bhagwan, Tyrone Grandison, and Carlos Maltzahn, “Recommendation-based De-Identification | A Practical Systems Approach towards De-identification of Unstructured Text in Healthcare,” in IEEE 2012 Services Workshop on Security and Privacy Engineering (SPE2012), Honolulu, HI, 2012.
    • Shinpei Kato, Michael McThrow, Carlos Maltzahn, and Scott A. Brandt, “Gdev: First-Class GPU Resource Management in the Operating System,” in USENIX ATC ’12, Boston, MA, 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.
    • Sasha Ames, Maya Gokhale, and Carlos Maltzahn, “QMDS: a file system metadata management service supporting a graph data model-based query language,” International Journal of Parallel, Emergent and Distributed Systems, vol. 27, no. 2, 2012.
    • Joe Buck, Noah Watkins, Jeff LeFevre, Kleoni Ioannidou, Carlos Maltzahn, Neoklis Polyzotis, and Scott A. Brandt, “SciHadoop: Array-based Query Processing in Hadoop,” UCSC, UCSC-SOE-11-04, Apr. 2011.
    • Adam Crume, Carlos Maltzahn, Jason Cope, Sam Lang, Rob Ross, Phil Carns, Chris Carothers, Ning Liu, Curtis L. Janssen, John Bent, Stephen Eidenbenz, and Meghan Wingate, “FLAMBES: Evolving Fast Performance Models,” in Poster Session at SC 11, Seattle, WA, 2011.
    • Latchesar Ionkov, Michael Lang, and Carlos Maltzahn, “DRepl: Optimizing Access to Application Data for Analysis and Visualization,” Los Alamos National Laboratory, Technical Report LA-UR-11-11589, 2011.
    • Sasha Ames, Maya B. Gokhale, and Carlos Maltzahn, “QMDS: A File System Metadata Management Service Supporting a Graph Data Model-based Query Language,” in NAS 2011, Dalian, China, 2011.
    • Roberto Pineiro, Kleoni Ioannidou, Carlos Maltzahn, and Scott A. Brandt, “RAD-FLOWS: Buffering for Predictable Communication,” in RTAS 2011, Chicago, IL, 2011.
    • Ning Liu, Christopher Carothers, Jason Cope, Philip Carns, Robert Ross, Adam Crume, and Carlos Maltzahn, “Modeling a Leadership-scale Storage System,” in PPAM 2011, Torun, Poland, 2011.
    • Joe Buck, Noah Watkins, Jeff LeFevre, Kleoni Ioannidou, Carlos Maltzahn, Neoklis Polyzotis, and Scott A. Brandt, “SciHadoop: Array-based Query Processing in Hadoop,” in SC ’11, Seattle, WA, 2011.
    • Carlos Maltzahn, Esteban Molina-Estolano, Amandeep Khurana, Alex J. Nelson, Scott A. Brandt, and Sage A. Weil, “Ceph as a Scalable Alternative to the Hadoop Distributed File System,” ;login: The USENIX Magazine, vol. 35, no. 4, 2010.
    • Milo Polte, Esteban Molina-Estolano, John Bent, Scott A. Brandt, Garth A. Gibson, Maya Gokhale, Carlos Maltzahn, and Meghan Wingate, “Enabling Scientific Application I/O on Cloud FileSystems,” in Work-in-Progress and Poster Session at FAST’10, San Jose, CA, 2010.
    • Sasha Ames, Maya B. Gokhale, and Carlos Maltzahn, “Design and Implementation of a Metadata-Rich File System,” UCSC, UCSC-SOE-10-07, Feb. 2010.
    • Esteban Molina-Estolano, Carlos Maltzahn, Ben Reed, and Scott A. Brandt, “Haceph: Scalable Meta- data Management for Hadoop using Ceph,” in Poster Session at NSDI 2010, San Jose, CA, 2010.
    • Rosie Wacha, Scott A. Brandt, John Bent, and Carlos Maltzahn, “RAID4S: Adding SSDs to RAID Arrays,” in Poster Session and Ph.D. Workshop at EuroSys 2010, Paris, France, 2010.
    • Carlos Maltzahn, Michael Mateas, and Jim Whitehead, “InfoGarden: A Casual-Game Approach to Digital Archive Management,” in Work-in-Progress and Poster Session at FAST’10, San Jose, CA, 2010.
    • Esteban Molina-Estolano, Carlos Maltzahn, John Bent, and Scott A. Brandt, “Building a Parallel File System Simulator,” J. Phys.: Conf. Ser., vol. 126, no. 012050, 2009.
    • Joe Buck, Noah Watkins, Carlos Maltzahn, and Scott A. Brandt, “Abstract Storage: Moving file format-specific abstractions into petabyte-scale storage systems,” in 2nd International Workshop on Data-Aware Distributed Computing (in conjunction with HPDC-18), Munich, Germany, 2009.
    • Scott A. Brandt, Carlos Maltzahn, Neoklis Polyzotis, and Wang-Chiew Tan, “Fusing Data Management Services with File Systems,” in PDSW’09, Portland, OR, 2009.
    • Esteban Molina-Estolano, Carlos Maltzahn, Scott A. Brandt, and John Bent, “Comparing the Performance of Different Parallel File system Placement Strategies,” in WiP at FAST ’09, San Francisco, CA, 2009.
    • Esteban Molina-Estolano, Maya Gokhale, Carlos Maltzahn, John May, John Bent, and Scott Brandt, “Mixing Hadoop and HPC Workloads on Parallel Filesystems,” in pdsw09, Portland, OR, 2009.
    • Anna Povzner, Tim Kaldewey, Scott A. Brandt, Richard Golding, Theodore Wong, and Carlos Maltzahn, “Efficient Guaranteed Disk Request Scheduling with Fahrrad,” in Eurosys 2008, Glasgow, Scottland, 2008.
    • Tim Kaldewey, Anna Povzner, Theodore Wong, Richard Golding, Scott A. Brandt, and Carlos Maltzahn, “Virtualizing Disk Performance,” in RTAS 2008, St. Louis, Missouri, 2008.
    • Tim Kaldewey, Andrew Shewmaker, Richard Golding, Carlos Maltzahn, Theodore Wong, and Scott A. Brandt, “RADoN: QoS in Storage Networks,” in fast08wip, 2008.
    • Scott A. Brandt, Carlos Maltzahn, Anna Povzner, Roberto Pineiro, Andrew Shewmaker, and Tim Kaldewey, “An Integrated Model for Performance Management in a Distributed System,” in OSPERT 2008, Prague, Czech Republic, 2008.
    • Anna Povzner, Tim Kaldewey, Scott A. Brandt, Richard Golding, Theodore Wong, and Carlos Maltzahn, “Efficient Guaranteed Disk Request Scheduling with Fahrrad,” Operating Systems Review, vol. 42, no. 4, pp. 13–25, May 2008.
    • Anna Povzner, Scott A. Brandt, Richard Golding, Theodore Wong, and Carlos Maltzahn, “Virtualizing Disk Performance with Fahrrad,” in fast08wip, 2008.
    • Sasha Ames, Carlos Maltzahn, and Ethan L. Miller, “A File System Query Language,” Oct-2007.
    • J. Eric Mowat, Yee-Peng Wang, Carlos Maltzahn, and Raghu C. Mallena, “United States Patent 7,249,219: Method and Apparatus to Improve Buffer Cache Hit Rate.” Jul-2007.
    • David Bigelow, Suresh Iyer, Tim Kaldewey, Roberto Pineiro, Anna Povzner, Scott A. Brandt, Richard Golding, Theodore Wong, and Carlos Maltzahn, “End-to-end Performance Management for Scalable Distributed Storage,” in pdsw07, Reno, NV, 2007.
    • Sage Weil, Carlos Maltzahn, and Scott A. Brandt, “RADOS: A Reliable Autonomic Distributed Object Store,” University of California, Santa Cruz, SSRC-07-01, Jan. 2007.
    • Carlos Maltzahn, Nikhil Bobb, Mark W. Storer, Damian Eads, Scott A. Brandt, and Ethan L. Miller, “Graffiti: A Framework for Testing Collaborative Distributed Metadata,” Proceedings in Informatics, vol. 21, pp. 97–111, 2007.
    • Sage A. Weil, Andrew Leung, Scott A. Brandt, and Carlos Maltzahn, “RADOS: A Fast, Scalable, and Reliable Storage Service for Petabyte-scale Storage Clusters,” in pdsw07, Reno, NV, 2007.
    • Jonathan Koren, Yi Zhang, Sasha Ames, Andrew Leung, Carlos Maltzahn, and Ethan L. Miller, “Searching and Navigating Petabyte Scale File Systems Based on Facets,” in pdsw07, Reno, NV, 2007.
    • Sage A. Weil, Scott A. Brandt, Ethan L. Miller, and Carlos Maltzahn, “CRUSH: Controlled, Scalable, Decentralized Placement of Replicated Data,” in SC ’06, Tampa, FL, 2006.
    • Nikhil Bobb, Damian Eads, Mark W. Storer, Scott A. Brandt, Carlos Maltzahn, and Ethan L. Miller, “Graffiti: A Framework for Testing Collaborative Distributed Metadata,” in wdas06, San Jose, CA, 2006.
    • Sage A. Weil, Scott A. Brandt, Ethan L. Miller, and Carlos Maltzahn, “CRUSH: Controlled, Scalable, Decentralized Placement of Replicated Data,” University of California, Santa Cruz, SSRC-06-01, Jan. 2006.
    • Sasha Ames, Nikhil Bobb, Kevin M. Greenan, Owen S. Hofmann, Mark W. Storer, Carlos Maltzahn, Ethan L. Miller, and Scott A. Brandt, “LiFS: An Attribute-Rich File System for Storage Class Memories,” in MSST ’06, College Park, MD, 2006.
    • Sage A. Weil, Scott A. Brandt, Ethan L. Miller, Darrell D. E. Long, and Carlos Maltzahn, “Ceph: A Scalable Object-based Storage System,” University of California, Santa Cruz, SSRC-06-02, Jan. 2006.
    • Sage A. Weil, Scott A. Brandt, Ethan L. Miller, Darrell D. E. Long, and Carlos Maltzahn, “Ceph: A Scalable, High-Performance Distributed File System,” in OSDI’06, Seattle, WA, 2006.
    • Alexander Ames, Nikhil Bobb, Scott A. Brandt, Adam Hiatt, Carlos Maltzahn, Ethan L. Miller, Alisa Neeman, and Deepa Tuteja, “Richer File System Metadata Using Links and Attributes,” in MSST ’05, Monterey, CA, 2005.
    • Mark Storer, Kevin Greenan, Ethan L. Miller, and Carlos Maltzahn, “POTSHARDS: Storing Data for the Long-term Without Encryption,” in sisw05, 2005.
    • Carlos Maltzahn, Kathy Richardson, Dirk Grunwald, and James Martin, “A Feasibility Study of Bandwidth Smoothing on the World-Wide Web Using Machine Learning,” Dept. of Computer Science, University of Colorado at Boulder, Technical Report CU-CS-879-99, Jan. 1999.
    • Carlos Maltzahn, Kathy Richardson, Dirk Grunwald, and James Martin, “On Bandwidth Smoothing,” in 4th International Web Caching Workshop (WCW’99), San Diego, CA, 1999.
    • Carlos Maltzahn, Kathy Richardson, and Dirk Grunwald, “Reducing the Disk I/O of Web Proxy Server Caches,” in USENIX ATC ’99, Monterey, CA, 1999.
    • Carlos Maltzahn, “Improving Resource Utilization of Enterprise-Level World-Wide Web Proxy Servers,” PhD thesis, University of Colorado at Boulder, Boulder, Co, 1999.
    • Clarence E. Ellis and Carlos Maltzahn, “The Chautauqua Workflow System,” in 30th Hawaii International Conference on System Sciences, Information System Track, Wailea, Maui, HI, 1997.
    • Carlos Maltzahn, Kathy Richardson, and Dirk Grunwald, “Performance Issues of Enterprise Level Web Proxies,” ACM SIGMETRICS Performance Evaluation Review, vol. 25, no. 1, pp. 13–23, Jun. 1997.
    • Carlos Maltzahn, Kathy Richardson, and Dirk Grunwald, “Performance Issues of Enterprise Level Web Proxies,” in SIGMETRICS 1997, Seattle, WA, 1997.
    • Thomas M. Kroeger, Jeff Mogul, and Carlos Maltzahn, “Digital’s Web Proxy Traces,” 1996.
    • Carlos Maltzahn, “Community Help: Discovering Tools and Locating Experts in a Dynamic Environment,” in CHI ’95, Denver, CO, 1995.
    • Matthias Jarke, Carlos Maltzahn, and Thomas Rose, “Sharing Processes: Team Coordination in Design Repositories,” International Journal of Intelligent and Cooperative Information Systems, vol. 1, no. 1, pp. 145–167, 1992.
    • Thomas Rose, Carlos Maltzahn, and Matthias Jarke, “Integrating object and agent worlds,” in Advanced Information Systems Engineering (CAiSE’92), Manchester, UK, 1992.
    • Thomas Rose, Matthias Jarke, Martin Gocek, Carlos Maltzahn, and Hans Nissen, “A Decision-Based Configuration Process Environment,” Software Engineering Journal, vol. 6, no. 5, pp. 332–346, Sep. 1991.