Prof. Scott A. Brandt is Professor of Computer Science. He is also Director of the UCSC Real-Time Systems Laboratory, co-founder of the UCSC Storage Systems Research Center, and co-founder of the UCSC/Los Alamos Institute for Scalable Scientific Data Management. 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 includes high-performance peta-scale distributed object-based storage. His current real-time research focuses on integrating real-time and non-real-time processing into a uniform processing environment. His most recent research intregrates the two, researching novel solutions for robust guaranteeable management of system resources.

Publications

2007

• Sage Weil, Andrew Leung, Scott A. Brandt, Carlos Maltzahn, RADOS: A Fast, Scalable, and Reliable Storage Service for Petabyte-scale Storage Clusters, Proceedings of the ACM Petascale Data Storage Workshop 2007 (PDSW 07), November 2007. [Petabyte-Scale Object-Based Storage]
• David Bigelow, Suresh Iyer, Tim Kaldewey, Roberto Pineiro, Anna Povzner, Scott A. Brandt, Richard Golding, Theodore Wong, Carlos Maltzahn, End-to-end Performance Management for Scalable Distributed Storage, Proceedings of the ACM Petascale Data Storage Workshop 2007 (PDSW 2007), November 2007. [Storage QoS]
• Joel Wu, Scott A. Brandt, Providing Quality of Service Support in Object-Based File System, Proceedings of the 24th IEEE Conference on Mass Storage Systems and Technologies (MSST 2007), September 2007. [Petabyte-Scale Object-Based Storage] [Storage QoS]
• Timothy Bisson, Scott A. Brandt, Flushing Policies for NVCache Enabled Hard Disks, Technical Report UCSC-SSRC-07-04, May 2007. [Storage Class Memories] [Effective Mobility]
• Timothy Bisson, Scott A. Brandt, Reducing Hybrid Disk Write Latency with Flash-Backed I/O Requests, Technical Report UCSC-SSRC-07-03, May 2007. [Storage Class Memories] [Effective Mobility]
• Timothy Bisson, Scott A. Brandt, Darrell D. E. Long, A Hybrid Disk-Aware Spin-Down Algorithm with I/O Subsystem Support, Proceedings of the International Performance Conference on Computers and Communication (IPCCC '07), April 2007. Won Best Paper Award. [Storage Class Memories] [Effective Mobility]
• Joel Wu, Bo Hong, Scott A. Brandt, Ensuring Performance in Activity-Based File Relocation, Proceedings of the International Performance Conference on Computers and Communication (IPCCC '07), April 2007, pages 75-84. [Petabyte-Scale Object-Based Storage]
• Carlos Maltzahn, Nikhil Bobb, Mark W. Storer, Damian Eads, Scott A. Brandt, Ethan L. Miller, Graffiti: A Framework for Testing Collaborative Distributed Metadata, Proceedings in Informatics 21, March 2007, pages 97–111. [Distributed Metadata Management] [Storage Class Memories]

2006

• Sage Weil, Scott A. Brandt, Ethan L. Miller, Carlos Maltzahn, CRUSH: Controlled, Scalable, Decentralized Placement of Replicated Data, Proceedings of SC '06, November 2006. [Petabyte-Scale Object-Based Storage]
• Sage Weil, Scott A. Brandt, Ethan L. Miller, Darrell D. E. Long, Carlos Maltzahn, Ceph: A Scalable, High-Performance Distributed File System, Proceedings of the 7th Conference on Operating Systems Design and Implementation (OSDI '06), November 2006. [Petabyte-Scale Object-Based Storage]
• Timothy Bisson, Scott A. Brandt, Darrell D. E. Long, NVCache: Increasing the effectiveness of disk spin-down algorithms with caching, Proceedings of the 14th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2006), September 2006. [Real-time Systems]
• Bo Hong, Scott A. Brandt, Darrell D. E. Long, Ethan L. Miller, Ying Lin, Using MEMS-Based Storage in Computer Systems—Device Modeling and Management, ACM Transactions on Storage, Vol. 2, No. 2, May 2006, pages 139-160. [MEMS-based Storage]
• Joel Wu, Scott A. Brandt, The Design and Implementation of AQuA: an Adaptive Quality of Service Aware Object-Based Storage Device, Proceedings of the 23rd IEEE / 14th NASA Goddard Conference on Mass Storage Systems and Technologies, May 2006, pages 209-218. [Petabyte-Scale Object-Based Storage] [Real-time Systems] [Storage QoS]
• Sasha Ames, Nikhil Bobb, Kevin Greenan, Owen Hofmann, Mark W. Storer, Carlos Maltzahn, Ethan L. Miller, Scott A. Brandt, LiFS: An attribute-rich file system for storage class memories, Proceedings of the 23rd IEEE / 14th NASA Goddard Conference on Mass Storage Systems and Technologies, May 2006. [Storage Class Memories]
• Sage Weil, Feng Wang, Qin Xin, Scott A. Brandt, Ethan L. Miller, Darrell D. E. Long, Carlos Maltzahn, Ceph: A Scalable Object-Based Storage System, Technical Report UCSC-SSRC-06-01, March 2006. [Petabyte-Scale Object-Based Storage]
• Bo Hong, Scott A. Brandt, Darrell D. E. Long, Thomas Schwarz, Feng Wang, Using MEMS-Based Storage in Computer Systems—MEMS Storage Architectures, ACM Transactions on Storage, February 2006, pages 1-21. [MEMS-based Storage]
• Nikhil Bobb, Damian Eads, Mark W. Storer, Scott A. Brandt, Carlos Maltzahn, Ethan L. Miller, Graffiti: A framework for testing collaborative distributed metadata, Proceedings of the 7th International Workshop on Distributed Data and Structures (WDAS 2006), January 2006. [Storage Class Memories]

2005

• Caixue Lin, Scott A. Brandt, Improving Soft Real-Time Performance Through Better Slack Management, IEEE Real-Time Systems Symposium (RTSS 2005), December 2005, pages 3–14. [Real-time Systems]
• Scott A. Brandt, Scott Banachowski, Caixue Lin, Joel Wu, Developing a Complete Integrated Real-Time System, Workshop on Operating Systems Platforms for Embedded Real-Time Applications (OSPERT 2005) at the Euromicro International Conference on Real-Time Systems (ECRTS 2005), July 2005. [Real-time Systems]
• Joel Wu, Scott A. Brandt, Hierarchical Disk Sharing for Multimedia Systems and Servers, Proceedings of the 15th ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV 2005), June 2005, pages 189-194. [Petabyte-Scale Object-Based Storage] [Real-time Systems]
• Bo Hong, Scott A. Brandt, Darrell D. E. Long, Feng Wang, Using MEMS-based Storage to Boost Disk Performance, IEEE / NASA Goddard Conference on Mass Storage Systems and Technologies (MSST 2005), April 2005, pages 202–209. [MEMS-based Storage]
• Kristal Pollack, Scott A. Brandt, Efficient Access Control for Distributed Hierarchical File Systems, IEEE / NASA Goddard Conference on Mass Storage Systems and Technologies (MSST 2005), April 2005. [Petabyte-Scale Object-Based Storage]
• Sasha Ames, Nikhil Bobb, Scott A. Brandt, Adam Hiatt, Carlos Maltzahn, Ethan L. Miller, Alisa Neeman, Deepa Tuteja, Richer file system metadata using links and attributes, Proceedings of the 22nd IEEE / 13th NASA Goddard Conference on Mass Storage Systems and Technologies, April 2005. [Storage Class Memories]
• Timothy Bisson, Scott A. Brandt, Reducing Energy Consumption with a Non-Volatile Storage Cache, International Workshop on Software Support for Portable Storage (IWSSPS) held in conjunction with the IEEE Real-Time and Embedded Systems and Applications Symposium (RTAS 2005), March 2005. [Storage Class Memories] [Real-time Systems]
• Joel Wu, Scott Banachowski, Scott A. Brandt, Automated QoS Support for Multimedia Disk Access, Proceedings of the SPIE, Multimedia Computing and Networking (MMCN 2005), January 2005, pages 103-107. [Real-time Systems]

2004

• Pau Martí, Caixue Lin, Scott A. Brandt, Manel Velasco, Josep M. Fuertes, Optimal state feedback based resource allocation for resource-constrained control tasks, Proceedings of the 25th IEEE Real-Time Systems Symposium (RTSS 2004), December 2004, pages 161-172. [Real-time Systems]
• Caixue Lin, Scott A. Brandt, Efficient soft real-time processing in an integrated system, Work in Progress Proceedings of the 25th IEEE Real-Time Systems Symposium (RTSS WIP 2004), December 2004. [Real-time Systems]
• Scott Banachowski, Scott A. Brandt, Timothy Bisson, Integrating best-effort scheduling into a real-time system, Proceedings of the 25th IEEE Real-Time Systems Symposium (RTSS 2004), December 2004. [Real-time Systems]
• Sage Weil, Kristal Pollack, Scott A. Brandt, Ethan L. Miller, Dynamic Metadata Management for Petabyte-Scale File Systems, Proceedings of the 2004 ACM/IEEE Conference on Supercomputing (SC '04), November 2004. [Petabyte-Scale Object-Based Storage]
• Bo Hong, Thomas Schwarz, Scott A. Brandt, Darrell D. E. Long, Reliability of mems-based storage enclosures, roceedings of the 12th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS '04), October 2004, pages 571-579. [MEMS-based Storage]
• Nate Edel, Deepa Tuteja, Ethan L. Miller, Scott A. Brandt, MRAMFS: a compressing file system for non-volatile RAM, Proceedings of the 12th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS '04), October 2004, pages 596-603. [Storage Class Memories]
• Nate Edel, Karl Brandt, Ethan L. Miller, Scott A. Brandt, Measuring the compressibility of metadata and small files for disk/nvram hybrid storage systems., Proceedings of the 2004 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS '04), July 2004. [Storage Class Memories]
• Joel Wu, Scott A. Brandt, Storage Access Support for Soft Real-Time Applications, Proceedings of the 10th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS 2004), May 2004. [Petabyte-Scale Object-Based Storage] [Real-time Systems] [Storage QoS]
• Sage Weil, Scott A. Brandt, Ethan L. Miller, Kristal Pollack, Intelligent Metadata Management for a Petabyte-Scale File System, 2nd Intelligent Storage Workshop, May 2004. [Petabyte-Scale Object-Based Storage]
• Caixue Lin, Pau Martí, Scott A. Brandt, Scott Banachowski, Manel Velasco, Josep M. Fuertes, Improving control performance using adaptive quality of service in a real-time system, Work in Progress Session of the IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS), May 2004. [Real-time Systems]
• Feng Wang, Scott A. Brandt, Ethan L. Miller, Darrell D. E. Long, OBFS: A File System for Object-Based Storage Devices, Proceedings of the 21st IEEE / 12th NASA Goddard Conference on Mass Storage Systems and Technologies, April 2004, pages 283-300. [Petabyte-Scale Object-Based Storage]
• Feng Wang, Qin Xin, Bo Hong, Scott A. Brandt, Ethan L. Miller, Darrell D. E. Long, Tyce T. Mclarty, File System Workload Analysis For Large Scientific Computing Applications, NASA/IEEE Conference on Mass Storage Systems and Technologies (MSST 2004), April 2004, pages 139–152. [Petabyte-Scale Object-Based Storage]
• Timothy Bisson, Scott A. Brandt, Adaptive Disk Spin-down Algorithms in Practice, Work-in-Progress Proceedings of the Usenix Conference of File and Storage Technology (FAST 2004), March 2004. [Storage Class Memories] [Real-time Systems]
• Scott Banachowski, Joel Wu, Scott A. Brandt, Missed deadline notification in best-effort schedulers, Proceedings of Multimedia Computing and Networking 2004 (MMCN 04), January 2004, pages 123–135. [Real-time Systems]

2003

• Bo Hong, Scott A. Brandt, Darrell D. E. Long, Ethan L. Miller, Karen Glocer, Zachary Peterson, Zone-based shortest positioning time first scheduling for MEMS-based storage devices, Proceedings of the 11th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS '03), December 2003, pages 104-113. [MEMS-based Storage]
• Scott Banachowski, Scott A. Brandt, Toward a taxonomy of time-constrained applications, Work in Progress Proceedings of the 24th IEEE Real-Time Systems Symposium (RTSS WIP 2003), December 2003, pages 3-6. [Real-time Systems]
• Scott A. Brandt, Scott Banachowski, Caixue Lin, Timothy Bisson, Dynamic integrated scheduling of hard real-time, soft real-time and non-real-time processes, Proceedings of the 24th IEEE Real-Time Systems Symposium (RTSS 2003), December 2003, pages 396–407. [Real-time Systems]
• Robert Gramacy, Manfred Warmuth, Scott A. Brandt, Ismail Ari, Adaptive caching by refetching, Advances in Neural Information Processing Systems 15, December 2003, pages 1465–1472. [Adaptive Caching]
• Ismail Ari, Bo Hong, Ethan L. Miller, Scott A. Brandt, Darrell D. E. Long, Managing flash crowds on the Internet, Proceedings of the 11th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS '03), December 2003, pages 246–249. [Adaptive Caching]
• Nate Edel, Karl Brandt, Ethan L. Miller, Scott A. Brandt, Measuring the compressibility of metadata and small files for disk/NVRAM hybrid storage systems, Technical Report UCSC-CRL-03-04, Storage Systems Research Center, University of California, July 2003. [Storage Class Memories]
• Scott A. Brandt, Ethan L. Miller, Darrell D. E. Long, Lan Xue, Efficient Metadata Management in Large Distributed File Systems, Proceedings of the 20th IEEE / 11th NASA Goddard Conference on Mass Storage Systems and Technologies (MSST 2003), April 2003, pages 290-298. [Petabyte-Scale Object-Based Storage]
• Qin Xin, Ethan L. Miller, Thomas Schwarz, Darrell D. E. Long, Scott A. Brandt, Witold Litwin, Reliability Mechanisms for Very large Storage Systems, Proceedings of the 20th IEEE / 11th NASA Goddard Conference on Mass Storage Systems and Technologies, April 2003, pages 146-156. [Petabyte-Scale Object-Based Storage] [Reliable Storage]
• Scott Banachowski, Scott A. Brandt, Better real-time response for time-share scheduling, Proceedings of the Eleventh International Workshop on Parallel & Distributed Real-Time Systems (WPDRTS), April 2003. [Real-time Systems]

2002

• Ismail Ari, Ahmed Amer, Robert Gramacy, Ethan L. Miller, Scott A. Brandt, Darrell D. E. Long, ACME: Adaptive Caching Using Multiple Experts, Proceedings in Informatics, Volume 14, December 2002, pages 143-158. [Adaptive Caching]
• Ying Lin, Scott A. Brandt, Darrell D. E. Long, Ethan L. Miller, Power conservation strategies for MEMS-based storage devices, Proceedings of the 10th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS '02), October 2002. [MEMS-based Storage]
• Bo Hong, Scott A. Brandt, An analytical solution to a MEMS seek time model, Technical Report UCSC-CRL-02-31, Storage Systems Research Center, University of California, Santa Cruz, September 2002. [MEMS-based Storage]
• Scott Banachowski, Zachary Peterson, Ethan L. Miller, Scott A. Brandt, Intra-file security for a distributed file system, Proceedings of the 19th IEEE Symposium on Mass Storage Systems and Technologies, April 2002, pages 153-163. [Secure File and Storage Systems]
• Ismail Ari, Ahmed Amer, Ethan L. Miller, Scott A. Brandt, Darrell D. E. Long, Who is more adaptive? ACME: adaptive caching using multiple experts, Workshop on Distributed Data and Structures (WDAS 2002), March 2002. [Adaptive Caching]
• Zachary Peterson, Darrell D. E. Long, Scott A. Brandt, Data Placement Based on Seek Time Analysis of a MEMS-based Storage Device, Work-In-Progress Session of the Conference on File and Storage Technology (FAST 2002), January 2002. [MEMS-based Storage]
• Scott A. Brandt, Gary Nutt, Flexible soft real-time processing in middleware, Real-Time Systems, 22, January 2002, pages 77-118. [Real-time Systems]
• Scott Banachowski, Scott A. Brandt, The BEST scheduler for integrated processing of best-effort and soft real-time processes, Proceedings of Multimedia Computing and Networking 2002 (MMCN '02), January 2002, pages 46–60. [Real-time Systems]

2001

• Scott Banachowski, Scott A. Brandt, The BEST desktop soft real-time scheduler, Work in Progress Proceedings of the 22nd IEEE Real-Time Systems Symposium (RTSS WIP 2001), December 2001, pages 9–12. [Real-time Systems]
• Tsozen Yeh, Darrell D. E. Long, Scott A. Brandt, Using program and user information to improve file prediction performance, Proceedings of the International Symposium on Performance Analysis of Systems and Software (ISPASS '01), November 2001, pages Proceedings. [Prediction and Grouping]
• Tsozen Yeh, Darrell D. E. Long, Scott A. Brandt, Performing file prediction with a program-based successor model, Proceedings of the 9th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS '01), August 2001, pages 193–202. [Prediction and Grouping]
• Tsozen Yeh, Darrell D. E. Long, Scott A. Brandt, Caching Files with a Program-based Last N Successors, Workshop on Caching, Coherency and Consistency (WC3 '01), June 2001. [Prediction and Grouping]
• Tsozen Yeh, Darrell D. E. Long, Scott A. Brandt, Conserving Battery Energy through Making Fewer Incorrect File Predictions, IEEE Workshop on Power Management for Real-Time and Embedded Systems at the IEEE Real-Time Technology and Applications Symposium, May 2001. [Prediction and Grouping]
• Ethan L. Miller, Scott A. Brandt, Darrell D. E. Long, HeRMES: High-Performance Reliable MRAM-Enabled Storage, Proceedings of the 8th IEEE Workshop on Hot Topics in Operating Systems (HotOS-VIII), May 2001, pages 83-87. [Storage Class Memories]
• Scott A. Brandt, Performance analysis of dynamic soft real-time systems, Proceedings of the 20th IEEE International Performance, Computing and Communications Conference (IPCCC 01), April 2001, pages 379–386. [Real-time Systems]
• Lonnie Welch, Scott A. Brandt, Toward a realization of the value of benefit in real-time systems, Proceedings of the Ninth International Workshop on Parallel & Distributed Real-Time Systems (WPDRTS), April 2001. [Real-time Systems]
• Tsozen Yeh, Darrell D. E. Long, Scott A. Brandt, Increasing predictive accuracy through limited prefetching, Proceedings of Communications Networks and Distributed Systems Modeling and Simulation (CNDS 2002), January 2001, pages 131–138. [Prediction and Grouping]

1998

• Scott A. Brandt, Gary Nutt, Toby Berk, James Mankovichr, A dynamic quality of service middleware agent for mediating application resource usage, Proceedings of the 19th IEEE Real-Time Systems Symposium (RTSS 1998), December 1998, pages 307–317. [Real-time Systems]