nfsd Post: 302420256

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Top Forums UNIX for Advanced & Expert Users nfsd Post 302420256 by Davinzy on Tuesday 11th of May 2010 11:24:37 PM

05-12-2010

Registered User

nfsd

Dear Friends,

we are using HP-UX B.11.31 U ia64 HP-UX server. Can you check bellow the top command output whether can point out any abnormality. Becoz i suspect something wrong there,

Code:

Load averages: 2.40, 2.73, 2.99
711 processes: 287 sleeping, 424 running
Cpu states:
CPU   LOAD   USER   NICE    SYS   IDLE  BLOCK  SWAIT   INTR   SSYS
 0    2.74  12.1%  23.0%  62.8%   2.1%   0.0%   0.0%   0.0%   0.0%
12    2.26  25.7%  40.2%  30.0%   4.2%   0.0%   0.0%   0.0%   0.0%
13    2.09  19.4%  29.6%  45.3%   5.7%   0.0%   0.0%   0.0%   0.0%
14    2.20  13.4%  41.3%  39.1%   6.2%   0.0%   0.0%   0.0%   0.0%
15    2.30  23.4%  17.7%  52.8%   6.0%   0.0%   0.0%   0.0%   0.0%
16    2.65  16.8%  22.1%  59.4%   1.7%   0.0%   0.0%   0.0%   0.0%
24    2.53  23.4%  27.0%  47.7%   1.9%   0.0%   0.0%   0.0%   0.0%
---   ----  -----  -----  -----  -----  -----  -----  -----  -----
avg   2.40  19.2%  28.6%  48.2%   4.0%   0.0%   0.0%   0.0%   0.0%

System Page Size: 4Kbytes
Memory: 19777212K (15964960K) real, 29382676K (21944844K) virtual, 6644196K free  Page# 1/28

CPU TTY    PID USERNAME PRI NI   SIZE    RES STATE    TIME %WCPU  %CPU COMMAND
16   ?    2607 root     152 20 62400K 15372K run   4030:43 78.14 78.01 nfsd
13   ?   20489 cgi      152 20  3476M  3449M run    535:59 72.39 72.26 uu_ccc_sss
14   ?   22075 cgi      152 30 52400K 24696K run      0:13 48.37 36.44 xx_yyy_mmm

thanks !

---------- Post updated 05-12-10 at 08:54 AM ---------- Previous update was 05-11-10 at 03:47 PM ----------

sorry guys if above content is not clear.

Actually what I want to know is what is the nfsd process running under root. I guess it is something related to OS nfs processors.

But should it take so much of the processor resource , and why the nice is getting 28% of CPU.

Is these normal .... ?

Last edited by pludi; 05-11-2010 at 07:37 AM.. Reason: code tags, please...

Davinzy

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LEARN ABOUT SUSE

rpc.nfsd

rpc.nfsd(8)						      System Manager's Manual						       rpc.nfsd(8)

NAME

       rpc.nfsd - NFS server process

SYNOPSIS

       /usr/sbin/rpc.nfsd [options] nproc

DESCRIPTION

       The  rpc.nfsd  program  implements the user level part of the NFS service. The main functionality is handled by the nfsd kernel module. The
       user space program merely specifies what sort of sockets the kernel service should listen on, what NFS versions it should support, and  how
       many kernel threads it should use.

       The rpc.mountd server provides an ancillary service needed to satisfy mount requests by NFS clients.

OPTIONS

       -d  or  --debug
	      enable logging of debugging messages

       -H  or  --host hostname
	      specify  a  particular hostname (or address) that NFS requests will be accepted on. By default, rpc.nfsd will accept NFS requests on
	      all known network addresses.  Note that lockd (which performs file locking services for NFS) may still accept request on	all  known
	      network addresses.  This may change in future releases of the Linux Kernel.

       -p  or  --port port
	      specify a diferent port to listen on for NFS requests. By default, rpc.nfsd will listen on port 2049.

       -N  or  --no-nfs-version vers
	      This option can be used to request that rpc.nfsd does not offer certain versions of NFS. The current version of rpc.nfsd can support
	      both NFS version 2,3 and the newer version 4.

       -s  or  --syslog
	      By default, rpc.nfsd logs error messages (and debug messages, if enabled) to stderr. This option makes rpc.nfsd log  these  messages
	      to syslog instead. Note that errors encountered during option processing will still be logged to stderr regardless of this option.

       -T  or  --no-tcp
	      Disable rpc.nfsd from accepting TCP connections from clients.

       -U  or  --no-udp
	      Disable rpc.nfsd from accepting UDP connections from clients.

       nproc  specify  the  number of NFS server threads. By default, just one thread is started. However, for optimum performance several threads
	      should be used. The actual figure depends on the number of and the work load created by the NFS clients, but a useful starting point
	      is 8 threads. Effects of modifying that number can be checked using the nfsstat(8) program.

       Note  that  if  the NFS server is already running, then the options for specifying host, port, and protocol will be ignored.  The number of
       processes given will be the only option considered, and the number of active nfsd processes will be increased or decreased  to  match  this
       number.	In particular rpc.nfsd 0 will stop all threads and thus close any open connections.

NOTES

       If  the	program  is  built with TI-RPC support, it will enable any protocol and address family combinations that are marked visible in the
       netconfig database.

SEE ALSO

       rpc.mountd(8), exports(5), exportfs(8), rpc.rquotad(8), nfsstat(8), netconfig(5).

AUTHOR

       Olaf Kirch, Bill Hawes, H. J. Lu, G. Allan Morris III, and a host of others.

								    7 Aug 2006							       rpc.nfsd(8)