Monday, August 29, 2011

Network File System (NFS) in High Performance Network


This article "High Performance (NFS) in High Performance" by Carnegic Mellon is very interesting article about NFS Performance. Do take a look. Here is a summary of their fundings

  1. For point-to-point throughput, IP over InfiniBand (Connected Mode) is comparable to a native InfiniBand.
  2. When a disk is a bottleneck, NFS can benefit from neither IPoIB nor RMDA
  3. When a disk is not a bottleneck, NFS benefits significantly from both IPoIB and RDMA. RDMA is better than IPoIB by ~20%
  4. As the number of concurrent read operations increases, aggregate throughputs achieved for both IPoIB and RDMA significantly improve with no disadvantage for IPoIB




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