nfsstat display NFS statistics

nfsstat [-cseuv] [-w wait] [-n net|user] [-m [mountpath]]

Displays statistics NFS client, server , active user activity, exported directories, and mount information.

`-c/-s`	client/server statistics.
`-u`	server active user statistics.
`-e`	server exported directory statistics.
`-m [mountpath]`	Show mount information.
`-w wait`	Display a shorter summary at wait second intervals.
`-n net\|user`	Show network addresses as numbers, or show users as uid numbers. This option can appear multiple times.
`-v`	Verbose

Server Information:
Client Information:	for file system mounts.
RPC Counts	calls made to each of the protocol procedures.
RPC Info	Statistics for NFS RPC calls:
*TimedOut*	perhaps to a slow or dead server.
Invalid	Invalid replies.
X Replies	replies received that did not have calls pending.
Retries
Requests	Total
Cache Info	client-side
Attr Hits/Misses	file attribute cache.
Lkup Hits/Misses	directory name lookup cache.
BioR Hits/Misses	block cache for reads/writes.
BioRL Hits/Misses	symbolic link cache.
BioD Hits/Misses	directory cache.
DirE Hits/Misses	directory offset cache.
RPC Counts	calls on each of the NFS server's procedures
Server Ret-Failed	errors returned by the server.
Server Faults	Errors in the server.
Server Cache Stats	Statistics from the server's RPC duplicate request cache:
Inprog	Calls already in progress.
Idem	Cache hits for idempotent procedures.
Non-idem	Cache hits for non-idempotent procedures.
Misses	Cache Misses.
Server Write Gathering	describe the efficiency of the server's write gathering feature.
WriteOps	disk.
WriteRPC	received by the server.
Opsaved	Write operations that were gathered (WriteRPC - WriteOps)
Server Exported Directory Info	Statistics for each exported directory on the server.
Requests	Count of requests processed by an exported directory.
Bytes Read/written	from/to an exported directory.
Server Active User Information:	List of active NFS users and statistics on the NFS server.
Requests	Count of NFS requests received from an active user.
Bytes Read Bytes Written	Count of bytes read/written by an active user.
Idle	Amount of time an active user has been idle.
User	Name (or uid if -n user was given) of active user.
IP Address	Host name (or network address if -n net was given) of client machine.
Mount Information:	Information about the given NFS mount (or all NFS mounts). The path mounted on and the server:/path that is mounted. Mount arguments originally passed in to the mount. Current mount parameter values and status information.

SEE ALSO netstat, iostat, mount_nfs, nfsd

> nfsstat
Client Info:
RPC Counts:
  Getattr   Setattr    Lookup  Readlink      Read     Write    Create    Remove
        0         0         0         0         0         0         0         0
   Rename      Link   Symlink     Mkdir     Rmdir   Readdir  RdirPlus    Access
        0         0         0         0         0         0         0         0
    Mknod    Fsstat    Fsinfo  PathConf    Commit
        0         0         0         0         0
RPC Info:
 TimedOut   Invalid X Replies   Retries  Requests
        0         0         0         0         0
Cache Info:
Attr Hits    Misses Lkup Hits    Misses BioR Hits    Misses BioW Hits    Misses
        0         0         0         0         0         0         0         0
BioRLHits    Misses BioD Hits    Misses DirE Hits    Misses
        0         0         0         0         0         0

Server Info:
RPC Counts:
  Getattr   Setattr    Lookup  Readlink      Read     Write    Create    Remove
        0         0         0         0         0         0         0         0
   Rename      Link   Symlink     Mkdir     Rmdir   Readdir  RdirPlus    Access
        0         0         0         0         0         0         0         0
    Mknod    Fsstat    Fsinfo  PathConf    Commit
        0         0         0         0         0
Server Ret-Failed
                0
Server Faults
            0
Server Cache Stats:
   Inprog      Idem  Non-idem    Misses
        0         0         0         0
Server Write Gathering:
 WriteOps  WriteRPC   Opsaved
        0         0         0

January 11, 2011