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The UNIX command nfsstat invokes a performance monitoring utility. Nfsstat can provide performance statistics for both the client and server services. The results of the statistical analysis can provide assistance in tuning the system for increased performance. Switches allow customizing the analysis to include or exclude items, such as just running the analysis on the server services.

> nfsstat -s

Server rpc:
calls    badcalls   nullrecv   badlen    xdrcall
244      2          0          0         0

Server nfs:
calls    badcalls   null       getattr   setattr
197      2          12    2%   28   4%   0    0%

(... and a lot more data and statistics.)

After you have installed and debugged a network with UNIX, run the nfsstat command every so often to gauge the efficiency of the NFS.

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