LADDIS: The Next Generation In NFS File Server Benchmarking
Mark Wittle
Data General Corporation
Bruce E. Keith
Digital Equipment Corporation
Abstract
The ability to compare the performance of various NFS(1) file server
configurations from several vendors is critically important to a
computing facility when selecting an NFS file server. To date,
nhfsstone(2) has been a popular means of characterizing NFS file
server performance. However, several deficiencies have been found in
nhfsstone. The LADDIS NFS file server benchmark has been developed to
resolve nhfsstone's shortcomings and provide new functionality. The
Standard Performance Evaluation Corporation (SPEC(3)) released the
System File Server (SFS) Release 1.0 benchmark suite, which contains
097.LADDIS, as an industry-standard NFS file server benchmark in April
1993. This paper describes the major technical issues involved in
developing the benchmark and the rationale used to establish default
097.LADDIS workload parameter values. Where appropriate, areas for
further research are identified and encouraged.
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