Balancing Fairness and Efficiency in Tiered Storage Systems using Bottleneck-Aware Allocation, H. Wang, P. Varman, 12th Usenix Conference on File and Storage Technologies (FAST’14), February, 2014. (pdf)
Software Support for Atomicity and Persistence in Non-volatile Memory, E. Giles, K. Doshi, P. Varman, Memory Organization and Architecture Workshop (MeaoW’13), October, 2013. (pdf)
Defragmenting the Cloud Using Demand-based Resource Allocation, G. Shanamuganathan, A. Gulati, P. Varman, ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS 2013), June, 2013. , Preliminary Version here (pdf)
Bridging the Programming Gap between Persistent and Volatile Memory using WrAP, E. Giles, K. Doshi, P. Varman, ACM International Conference on Computing Frontiers (FRONTIERS 2013), May, 2013. (pdf)
Adaptive Resource Allocation in Tered Storage Systems, H. Wang, P. Varman, Usenix Conference on File and Storage Technologies (FAST’13), February, 2013. (WIP+Poster)
WrAP: Managing Byte-Addressable Persistent Memory, K. Doshi, P. Varman, Memory Organization and Architecture Workshop (MeaoW’12), October, 2012. (pdf)
Demand Based Hierarchical QoS using Storage Resource Pools, A. Gulati, G. Shanmuganatan, X. Zhang, P. Varman, 2012 Usenix Annual Technical Conference (Usenix ATC), June, 2012. (pdf)
Efficient QoS for Multi-Tiered Storage Systems, A. Elnably, H. Wang, A. Gulati, P. Varman, 4th Usenix Workshop on Hot Topics in Storage and File Systems (HotStorage’12), June, 2012. (pdf)
Application-sensitive QoS Scheduling in Storage Servers, A. Elnaby, P. Varman, 24th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA 2012), June 2012.(short paper), (pdf)
Reward Scheduling for QoS in Cloud Applications, A. Elnably, K. Du, P. Varman, 12th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing , May, 2012. (pdf)
High Performance Reliable Variable Latency Carry Select Addition, K. Du, P. Varman, K. Mohanram, Design, Automation and Test in Europe, (DATE 2012), March, 2012.
Nested QoS: Providing Flexible Performance in Shared IO Environments, H. Wang, P. Varman, USENIX 3rd Workshop on IO Virtualization, (WIOV11), June, 2011.
Flexible Resource Sharing in Virtualized Environments , H. Wang, P. Varman, ACM International Conference on Computing Frontiers, (CF2011), May, 2011.
A Novel Nested QoS model for Efficient Resource Usage in Storage Servers, H. Wang, P. Varman, (Work In Progress + Poster), USENIX File Access and Storage Technologies Conference, (FAST 2011), February, 2011.
mClock: Handling Throughput Variability for Hypervisor IO Scheduling, A. Gulati, A. Merchant, P. Varman, 9th USENIX Symposium on Operating System Design and Implementation, (OSDI 2010), October 2010.
Middleware Enabled Data Sharing on Cloud Storage Services, J. Wong, P. Varman, C. Xie, 5th Workshop on Middleware for Service Oriented Computing,, (MW4SoC 2010) Colocated with 11th International Middleware Conference, Dec. 2010.
Avoiding Performance Fluctuation in Cloud Storage, J. Wong, P. Varman, C. Xie, 17th International Conference on High Performance Computing, (HiPC 2010), Dec. 2010.
Statistical Workload Shaping for Storage Systems , H. Wang, P. Varman, 16th International Conference on High Performance Computing, (HiPC 2009), Dec. 2009.
Graduated QoS by Decomposing Bursts: Don’t Let the Tail Wag your Server, L. Lu, K. Doshi, P. Varman, 29th International Conference on Distributed Computing Systems (ICDCS 2009), June, 2009 (pdf)
Taming Workload Bursts in Data Centers, L. Lu, P. Varman, 7th USENIX Conference on File and Storage Technologies (FAST 2009), Poster, February, 2009
Efficient and Adaptive Proportional Share I/O Scheduling , A. Gulati, A. Merchant, M. Uysal, P. Padala, P. Varman, ACM Sigmetrics/Performance 2009, Poster, July, 2009, (to appear) (earlier version:TR HPL-2007-186), (pdf)
A Workload Decomposition Based Disk Scheduler, L. Lu, P. Varman, 8th USENIX Symposium on Operating Systems Design and Implementation (OSDI 2008), Poster, November, 2008
Workload Decomposition for Power Efficient Storage Systems, L. Lu, P. Varman, Workshop on Power Aware Computing and Systems (HotPower’08), (co-located with 8th USENIX OSDI), December, 2008 (pdf)
Workload Decomposition for QoS in Hosted Storage Services, L. Lu, K. Doshi, P. Varman, 3rd Workshop on Middleware for Service Oriented Computing, (MW4SOC: Colocated with 9th International Middleware 2008, December, 2008 (pdf)
RFQ: Redemptive Fair Queuing, A. Gulati, P. Varman, 16th Annual European Symposium on Algorithms, (ESA 2008), September, 2008 (pdf)
Tight Competitive Ratios for Parallel Disk Prefetching and Caching, W. K. Hon, R. Shah, P. Varman, J. S. Vitter, 20th ACM Symposium on Parallelism in Algorithms and Architectures, (SPAA 2008), June, 2008
Distributed QoS In Heterogeneous Resource Environments, A. Gulati, A. Merchant, P. Varman, 26th Annual SIGACT-SIGOPS ACM Symposium on Principles of Distributed Computing , (PODC 2007), August, 2007 (brief paper)
DiskGroup: Energy Efficient Disk Layout for RAID1 Systems, L. Lu, P. Varman, J. Wang, 2007 International Conference on Networking, Architecture, and Storage, (NAS 2007), July, 2007
P-Clock: An Arrival Curve Based Approach for QoS Guarantees in Shared Storage Systems, A. Gulati, A. Merchant, P. Varman, ACM International Conference on Measurement and Modeling of Computer Systems , (SIGMETRICS 2007), June, 2007 (pdf)
Scheduling Multiple Flows on Parallel Disk Systems, A. Gulati, P. Varman, International Conference on High performance Computing, (HiPC’05), Dec. 2005 (pdf)
Towards Multi-objective Scheduling in Shared Storage Systems , A. Gulati, A. Merchant, P. Varman, Intl. Wkshp. on Storage Network Architectures and Parallel I/O , (held in conjunction with PACT 2005), Sep. 2005. (pdf)
Conserving Energy in Conventional RAID-based I/O Systems , D. Li, J. Wan, P. Varman, Intl. Wkshp. on Storage Network Architectures and Parallel I/O , (held in conjunction with PACT 2005), Sep. 2005. (ppt)
Lexicographic QoS Scheduling for Parallel I/O , A. Gulati, P. Varman, 17th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA’05), July 2005. (pdf)
On Competitive Online Parallel Disks Scheduling , R. Shah, P. Varman, J. S. Vitter, 17th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA’05), July 2005.
Scheduling with QoS in Parallel I/O Systems, A. Gulati, P. Varman, Intl. Wkshp. on Storage Network Architectures and Parallel I/O , (held in conjunction with PACT 2004), Sep. 2004.
Online Algorithms for Prefetching and Caching on Parallel Disks , R. Shah, P. Varman, J. S. Vitter, 16th ACM Symposium on Parallelism in Algorithms and Architectures, (SPAA’04), June, 2004. (pdf)
Optimal Lexicographic Smoothing for Broadband Traffic Multiplexing , S. Anastasiadis, P. Varman, J.S. Vitter, K. Yi, 21st ACM Symposium on Principles of Distributed Computing , July, 2002. (pdf)
Optimal Prefetching and Caching for Parallel I/O Systems, M. Kallahalla, P. Varman, 13th ACM Symposium on Parallel Algorithms and Architectures, (SPAA’01), July, 2001. (pdf)
Real-Time Parallel Disk Scheduling for VBR Video Servers , O. Ertug, M. Kallahalla, P. Varman, Proc. of Fifth Intl. Conf. On Computer Science and Informatics . February 2000. (pdf)
Optimal Read-Once Parallel Disk Scheduling, M. Kallahalla, P. Varman, Proc. 6th ACM Workshop on I/O in Parallel and Distributed Systems (IOPADS’99) , April, 1999. (pdf)
Red-Black Prefetching: An Efficient Approximation Algorithm for Parallel Disk Scheduling, M. Kallahalla, P. Varman, Proc. of 18th Int. Conf. on Foundations of Software Technology and Theoretical Computer Science (FST&TCS’98), Decemeber 1998.
An Improved Parallel Prefetching Algorithm , M. Kallahalla, P. Varman, Proc. of 1998 Int. Conf. on High Performance Computing (HiPC’98), December 1998. (pdf)
Improving Competitiveness of Parallel-Disk Buffer Management using Randomized Writeback , M. Kallahalla, P. Varman,
Proc. of 1998 Int. Conf. on Parallel Processing (ICPP’98), August 1998. (pdf)
Randomized Algorithms for Prefetching and Buffer Management in Parallel I/O Systems , P. Varman, Proc. Workshop on Randomized Parallel Computing, April, 1998. (pdf)
Competitive Parallel Prefetching and Buffer Management, R. Barve, M. Kallahalla, P. Varman, J. S. Vitter, Proc. 5th ACM Workshop on I/O in Parallel and Distributed Systems, November, 1997. (pdf)
Performance Comparison of Sequential Prefetch and Forecasting with Parallel I/O , K. K. Lee, M. Kallahalla, B. S. Lee and P.Varman, Proc. of the IASTED Int. Conf. on Parallel and Distributed Computing and Networks (PDCN’97), August 1997. (pdf)
Tight Bounds for Prefetching and Buffer Management Algorithms for Parallel I/O Systems , P. Varman, R. Verma, Proc. 16th Symp. Foundations of Software Technology and Theoretical Computer Science, (FST&TCS’98), Decemeber 1998. (pdf)
Prefetching and I/O Parallelism in Multiple Disk Systems K. Lee, P. Varman, Proc. of 1995 Intl. Conf. Parallel Processing, (ICPP’95) August 1995.
Improving Parallelism of I/O Systems K. K. Lee, P. Varman, Proc. IEEE Intl. Conf. on Information Engineering , July 1995.
Parallel I/O Access of Multiversion Structures P. Varman, K. K. Lee, R. Verma, Proc. Intl. Workshop Parallel Processing , December 1994.
Impact of Data Placement on Parallel I/O Systems J. Sinclair, J. Tang, P. Varman, Proc. Intl. Conf. Parallel Processing (ICPP’93) , August 1993. (postscript)
Instability in Parallel I/O Systems J. Sinclair, J. Tang, P. Varman, ACM SIGARCH Comp. Arch. News, November 1994.
Speeding Up External Mergesort with Parallel IO: Simulation and Analysis, V. Pai, P. Varman, Proc. 8th IEEE Intl. Conf. Data Engineering (ICDE’92), February 1992. (postscript)