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    • Felix Hupfeld

  • Projects
  • StorageBox: The Personal File System XtreemFS: A replicated, object-based cluster file system
    BabuDB: Embedded database based on LSM-Trees. Yield: a high-performance staged web application server
  • Publications
  • J. Stender, B. Kolbeck, M. Högqvist, F. Hupfeld. "BabuDB: Fast and Efficient File System Metadata Storage using LSM-Trees." 6th IEEE International Workshop on Storage Network Architecture and Parallel I/Os (SNAPI) 2010. F. Hupfeld. “Causal Weak-Consistency Replication - A Systems Approach.” Dissertation. Humboldt Universität zu Berlin, 2009. [bibtex] F. Hupfeld, B. Kolbeck, J. Stender, M. Högqvist, T. Cortes, J. Malo, J. Marti. “FaTLease: Scalable Fault-Tolerant Lease Negotiation with Paxos.” In: Cluster Computing, Springer, 2009. [bibtex] J. Stender, B. Kolbeck, F. Hupfeld, E. Cesario, E. Focht, M. Hess, J. Malo, J. Marti. “Striping without Sacrifices: Maintaining POSIX Semantics in a Parallel File System.” In: Proceedings of the First USENIX Workshop on Large Scale Computing (LASCO) 2008. [bibtex] F. Hupfeld, B. Kolbeck, J. Stender, M. Högqvist, T. Cortes, J. Malo, J. Marti. “FaTLease: Scalable Fault-Tolerant Lease Negotiation with Paxos.” In: Proceedings of the International Symposium on High Performance Distributed Computing (HPDC) 2008. [bibtex] F. Hupfeld, T. Cortes, B. Kolbeck, E. Focht, M. Hess, J. Malo, J. Marti, J. Stender, E. Cesario. “XtreemFS - a case for object-based file systems in Grids.” In: Concurrency and Computation: Practice and Experience. Volume 20 Issue 8 June 2008. [bibtex] F. Hupfeld, T. Cortes, B. Kolbeck, E. Focht, M. Hess, J. Malo, J. Marti, J. Stender, E. Cesario. “XtreemFS - a case for object-based storage in Grid data management.” VLDB Workshop on Data Management in Grids. In: Proceedings of 33th International Conference on Very Large Data Bases (VLDB) Workshops, 2007. [bibtex] E. Cesario, T. Cortes, E. Focht, M. Hess, F. Hupfeld, B. Kolbeck, J. Malo, J. Martí, J. Stender. “The XtreemFS Architecture.” Linux Tag 2007, Berlin. F. Hupfeld, M.Gordon. “Using distributed consistent branching for efficient reconciliation of mobile workspaces.” [pdf | bibtex]. 1st International Workshop on Mobile Collaborative Applications and Systems (MobCops 2006). In: Proceedings of the 2nd International Conference on Collaborative Computing: Networking, Applications and Worksharing (IEEE CollaborateCom) Workshops, 2006. F. Hupfeld. "Log-Structured Storage for Efficient Weakly-Connected Replication." [pdf | bibtex]. Second International Workshop on Mobile Distributed Computing (MDC 2004). In: Proceedings of the 24th International Conference on Distributed Computing Systems (ICDCS) Workshops, 2004. F. Hupfeld. "Hierarchical Structures in Attribute-based Namespaces and their Application to Browsing." [pdf | ps.gz | bibtex]. ZIB Report 03-06, March 2003. F. Hupfeld. "Design and Performance of a User-level Network Driver in a Multi-Server Operating System." [bibtex]. Diploma Thesis, University of Karlsruhe, June 2002. Summary [pdf] in German available. Full version (in English) on request. F. Hupfeld. "Program Slicing." Technical Report, University of Karlsruhe. F. Hupfeld, M. Beigl, "Spatially aware local communication in the RAUM System." [pdf | bibtex]. Interactive Distributed Multimedia Systems and Telecommunication Services Conference 2000 (IDMS 2000), Enschede. In: Lecture Notes in Computer Science; Vol. 1905, pp. 205, Springer Verlag, Heidelberg.