[CentOS] Perfomance tuning for NIS client
Akemi Yagi
amyagi at gmail.com
Fri Oct 12 21:07:26 UTC 2007
On 10/12/07, joseph blase <joseph.mailboxlist at gmail.com> wrote:
>
> On 10/13/07, Steve Rigler <srigler at marathonoil.com> wrote:
> > On Sat, 2007-10-13 at 03:45 +0800, joseph blase wrote:
> > > Hi,
> > >
> > > I have both linux and solaris NIS client against a Solaris NIS Server,
> > > but my linux box are shamefully slow compare to solaris some sample:
> > >
> > > on Solaris 5.8:
> > >
> > > # ypwhich
> > > transporter02.domain.com
> > > # time id userid
> > > uid=36923(userid) gid=36923(u_036923)
> > >
> > > real 0.0
> > > user 0.0
> > > sys 0.0
> > >
> > > on Linux:
> > >
> > > [root at linux]# ypwhich
> > > transporter02.domain.com
> > > [root at amsdc2-n-s04taw root]# time id userid
> > > uid=36923(userid) gid=36923(u_036923) groups=36923(u_036923)
> > >
> > > real 0m10.509s
> > > user 0m0.030s
> > > sys 0m0.090s
> >
> > Do you have nscd running on the Linux box? Enabling it will allow
> > caching of lookups to passwd, group and hosts.
>
> Yes there is and running.
>
> > -Steve
>
> Joseph
In my case nscd does make a difference as pointed out earlier. On my
CentOS machine,
Without nscd:
real 0m0.116s
user 0m0.008s
sys 0m0.014s
With nscd:
real 0m0.007s
user 0m0.002s
sys 0m0.004s
My Solaris box is running nscd:
0.03u 0.01s 0:00.05
Akemi
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