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Publications of Torsten Hoefler
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T. Hoefler, R. Ross, T. Roscoe:

 Distributing the Data Plane for Remote Storage Access

(presented in Kartause Ittingen, Switzerland, USENIX, May 2015, Proceedings of the 15th Workshop on Hot Topics in Operating Systems )

Abstract

Sub-microsecond network and memory latencies require fast user-level access to local and remote storage. While user-level access to local storage has been demonstrated recently, it does currently not extend to serverless parallel systems in datacenter environments. We propose direct user-level access to remote storage in a distributed setting, unifying fast data access and high-performance remote memory access programming. We discuss a minimal hardware extension of the IOMMU to enable direct remote storage access. In order to maintain optimal performance in the system, we use epoch-based accesses to allow fine-tuning of atomicity, consistency, isolation, and durability semantics. We also address the problem of user-managed coherent caching. Finally, we briefly discuss the design of DiDAFS, a Distributed Direct Access File System that enables efficient data analytics use-cases such as buffered producer-consumer synchronization and key-value stores as well as deeper integration of storage into high performance computing applications.

Documents

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BibTeX

@inproceedings{didafs,
  author={T. Hoefler and R. Ross and T. Roscoe},
  title={{Distributing the Data Plane for Remote Storage Access}},
  year={2015},
  month={May},
  location={Kartause Ittingen, Switzerland},
  publisher={USENIX},
  note={Proceedings of the 15th Workshop on Hot Topics in Operating Systems},
  source={http://www.unixer.de/~htor/publications/},
}

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