From: Huang Xiong <huangxiong@uit.com.cn>
Subject: Re: Need more threads?
Date: Fri, 2 Nov 2007 11:28:07 +0800
Message-ID: <200711021128.07881.huangxiong@uit.com.cn>
References: <200711011800.08010.huangxiong@uit.com.cn>
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To: "Talpey, Thomas" <Thomas.Talpey@netapp.com>
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Tom,

I worry about the NFS performance as I have to runing only one nfsd thread.
As you see in the previous letter, I do not understan "th" very clearly to=
=20
judge the current thread is sufficient or have been in heavy load.

Thanks.
P.H.


=D4=DA =D0=C7=C6=DA=CB=C4 01 =CA=AE=D2=BB=D4=C2 2007 22:55=A3=ACTalpey, Tho=
mas =D0=B4=B5=C0=A3=BA
> To clarify - you're intentionally running with only one nfsd thread,
> but you want to know if you need more? The answer is you almost
> always need multiple nfsd threads, but if you describe your "special
> situation" maybe we can offer more advice.
>
> The "th" line gives you statistics on the relative use of multiple nfsd
> threads. It's a histogram of the number of running nfsd's versus the
> available pool. However, since your pool is only one thread (the first
> number on the line), the histogram itself isn't very useful. What
> information are you looking for?
>
> Tom.
>
> At 06:00 AM 11/1/2007, Huang Xiong wrote:
> >Hello all,
> >
> >I have to only open one nfsd thread in this special situation.
> >
> >I do not understand the "th" line very clearly, and I find various
> > comments in the net . Please help me see the below two NFS server, do
> > them need more threads? and would you evaluate it for me?
> >
> >Thanks in advance.
> >Phillip
> >
> >--------------------------------------------------------
> >[root@node1 ~]# cat /proc/net/rpc/nfsd
> >rc 0 0 317
> >fh 0 0 0 0 0
> >io 0 0
> >th 1 17 130.092 54.005 52.006 0.000 5.599 78.743 89.426 197.553 0.000
> > 11.259 ra 2 0 0 0 0 0 0 0 0 0 0 0
> >net 317 83 230 81
> >rpc 317 0 0 0 0
> >proc2 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> >proc3 22 5 113 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 87 110 0 0
> >proc4 2 0 0
> >
> >
> >[root@node2 ~]# cat /proc/net/rpc/nfsd
> >rc 0 0 550
> >fh 0 0 0 0 0
> >io 0 0
> >th 1 137 80.840 5.479 0.000 0.000 0.000 0.000 0.000 0.000 0.000 50.640
> >ra 2 0 0 0 0 0 0 0 0 0 0 0
> >net 550 216 330 113
> >rpc 550 0 0 0 0
> >proc2 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> >proc3 22 3 181 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 186 178 0 0
> >
> >
> >
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