Free is very good.
$ free
total used free shared buffers cached
Mem: 131961872 131342464 619408 0 1062984 119627256
-/+ buffers/cache: 10652224 121309648
Swap: 131074292 89220 130985072
--- 11/2/2 (三)，Sean Hart <boardnutz at blacklight.net> 寫道：
> 寄件者: Sean Hart <boardnutz at blacklight.net>
> 主旨: Re: [CentOS] centos 5.5 check memoray usage too high???
> 收件者: centos at centos.org
> 日期: 2011年2月2日,三,下午4:59
>
>
> On 2/2/11 1:58 PM, mcclnx mcc wrote:
> > We have DELL R900 server with 128GB RAM (CENTOS 5.5)in
> it. This server only have one application running and
> few people use it.
> >
> > Every week I ata least get one or two messages from
> monitor tool mail to me say:
> >
> > Message=Memory Utilization is 92.02%, crossed warning
> (80) or critical (90) threshold.
> >
> > Since server have 128 GB RAM and only 1
> application. I really don't belive that. Does
> there has some way can check memory utilitation ?
> >
>
> What is the output of the command "free"?
>
> ~Sean
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