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nfsiod(8)                 BSD System Manager's Manual                nfsiod(8)


NAME

     nfsiod -- local NFS asynchronous I/O


SYNOPSIS

     nfsiod [-n num_threads]


DESCRIPTION

     nfsiod is deprecated.  See nfs.conf(5) for NFS configuration info.

     nfsiod controls the maximum number of asynchronous I/O threads used for
     NFS mounts.  Historically, it has consisted of a daemon that never exits.
     However, asynchronous I/O requests are now serviced by threads launched
     on demand in the kernel and the nfsiod command simply sets the configura-
     tion limit.

     Having asynchronous I/O threads improves performance but is not required
     for correct operation.

     The options are as follows:

     -n      Specify maximum number of asynchronous I/O threads to be used.

     If no maximum is specified, nfsiod displays the current value.  The
     default value is 16.  A client should allow enough threads to handle its
     maximum level of concurrency.

     The nfsiod utility exits 0 on success, and >0 if an error occurs.


SEE ALSO

     nfs.conf(5), mount_nfs(8), nfsstat(1)


HISTORY

     The nfsiod utility first appeared in 4.4BSD.  It's use was deprecated in
     Darwin 9.

BSD                            October 25, 2006                            BSD

Mac OS X 10.6 - Generated Thu Sep 17 20:26:08 CDT 2009
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