Optimizations of Client's side communications in a Distributed File System within a Myrinet Cluster

Abstract : This paper presents a study of the interaction between high-speed interconnects and a distributed file system client. We use our ORFA remote file access protocol and Myrinet network with the GM software layer to show how the highly specific programming model of high-speed interconnects may be used in a high performance distributed file system client. We present both a user-level and a kernel-level client implementations with either buffered or non-buffered accesses. These implementations show high performances and may be transparently used by applications. Our improvements focus on pin-down cache techniques and memory registration issues. Our GM modifications show no impact on its performances while the network usage in the distributed file system client is improved.
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Brice Goglin, Loïc Prylli, Olivier Glück. Optimizations of Client's side communications in a Distributed File System within a Myrinet Cluster. [Research Report] LIP RR-2004-24, Laboratoire de l'informatique du parallélisme. 2004, 2+15p. ⟨hal-02101966⟩

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