[K12OSN] Sever load , calculating

[Paul Nelson]

>From a terminal (command line prompt) type: top

That will show you what's running and the load. You can then sort to
see what's using memory and cpu power. Hit capital P for cup usage.

;-) Paul

On Wed, Sep 8, 2010 at 12:54 PM, Barry  Cisna <brcisna at eazylivin.net> wrote:
> Hello All,
>
> Server:
> Intel Xeon 2.4GHZ - smp- 2.6.18-194  kernel
> ( As i see it Linux sees/dmesg  this as a single processor,even though
> the smp kernel gets installed?)
> 2GIG ram
> (2) 500 IDE HD's
> (2) 10/100 nics 1 activated
> LVM /ext3 (no md raid)
> Centos 5 (updated) 5.5
>
>
> Wondering if anyone can shed some light on my wonderings here.
> Over the summer i rebuilt our school's file server with bigger HD's (2)
> 500 gig PATA/IDE,and this time updated the CENTOS 5 install to 5.5 along
> with the latest version of Samba as well. Everything else in regards to
> hardware remained the same as last school year.
> What puzzles me somewhat is when looking at the CPU load reading when I
> log into Webmin the load is sometimes as high as 8.x! I do not ever
> remember seeing these readings this high last school year. What strikes
> me as being odd is only a max of 500kb of the 2 gig ram is ever used and
> the swap is only used about 100kb as well.
> >From my brief finding I can see as many as 200 connections to the
> H:( Samba home folders),but usually a max of 15 files actually open at
> any one time looking through Webmin again.
> Has others here experienced these high loads but very little memory
> being used either physical and/or swap?
> Running top from a shell never shows any odd/obvious processes eating
> the cpu up. The load number varies greatly from hour to hour too.
> Example; one hour .60, half hour later 8.x!
> No "MY made up" cron jobs are running during the day such as
> backups,etc.
> Sorry for long post.
>
> Take Care,
> BC
>
>
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