[Sunhelp] hi!!!

Wed Oct 25 03:21:56 CDT 2000

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shivraj yadav wrote:

> Hi Friends!!!
>
> I am new to solaris admin & nowadays i am facing a problem which i am not
> able to know how to resolve it.
> Frequently i am getting calls frm users that the servers r running very slow
> & i am not able to diagnose the fault. I have checked that the swap space
> allocated is suffiecient..... so where do i go frm here?
> Someone told me that i shd use vmstat, iostat & sar commands, and for that i
> have gone thru their man pages but found huge descriptions for it, leaving
> me more confused. Can anyone please suggest what syntax is to be used with
> these commands, and what guys generally use & what conclusions can one draw
> from them, regarding the system performance.
>
> Thanking ua'll in advance......
>
> Shivraj
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Hi,

There is no defined  path for checkig this kind of situvation.
But will try ..

first you should fine whther its b'cos of CPU ,IO or network.

use /usr/ucb/ps -aux and check first few entries.

Then you have to figure out whther its b'cos of  a system process or a user
process.
vmstat  2 10
Check first 5 and last 6 columns.( also sr field)

you can also use ( When the system goes slow)
iostat -nx 2
netstat -a
sar 2 10
mpstat 2 10

if you can send some sample out puts I may able to check whats wrong.

/Gayantha

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shivraj yadav wrote:
<blockquote TYPE=CITE>Hi Friends!!!
I am new to solaris admin & nowadays i am facing a problem which
i am not
 able to know how to resolve it.
 Frequently i am getting calls frm users that the servers r running
very slow
 & i am not able to diagnose the fault. I have checked that the
swap space
 allocated is suffiecient..... so where do i go frm here?
 Someone told me that i shd use vmstat, iostat & sar commands, and
for that i
 have gone thru their man pages but found huge descriptions for it,
leaving
 me more confused. Can anyone please suggest what syntax is to be used
with
 these commands, and what guys generally use & what conclusions
can one draw
 from them, regarding the system performance.
Thanking ua'll in advance......
Shivraj
 _________________________________________________________________________
 Get Your Private, Free E-mail from MSN Hotmail at <a href="http://www.hotmail.com">http://www.hotmail.com</a>.
Share information about yourself, create your own public profile at
 <a href="http://profiles.msn.com">http://profiles.msn.com</a>.
_______________________________________________
 SunHELP maillist  -  SunHELP at sunhelp.org
 <a href="http://www.sunhelp.org/mailman/listinfo/sunhelp">http://www.sunhelp.org/mailman/listinfo/sunhelp</a></blockquote>
Hi,
There is no defined  path for checkig this kind of situvation.
 But will try ..
first you should fine whther its b'cos of CPU ,IO or network.
use /usr/ucb/ps -aux and
check first few entries.
Then you have to figure out whther its
b'cos of  a system process or a user process.
 vmstat  2 10
 Check first 5 and last 6 columns.( also sr
field)
you can also use ( When the system goes slow)
 iostat -nx 2
 netstat -a
 sar 2 10
 mpstat 2 10
if you can send some sample out puts I may able
to check whats wrong.
/Gayantha
  
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