Hi,
I found vmstat on the server, but could not find your other "systat" or
"fstat". I think this is exactly what I need... especially fstat.
Does anyone know a similar program for linux?
Sincerely,
Jason
----- Original Message -----
From: "Jeremy C. Reed" <[EMAIL PROTECTED]>
To: "Jason Lim" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Thursday, June 07, 2001 6:43 AM
Subject: Re: Finding the Bottleneck
> On Wed, 6 Jun 2001, Jason Lim wrote:
>
> > I was wondering if there is a way to find out what/where the
bottleneck of
> > a large mail server is.
>
> Look at vmstat.
>
> vmstat can tell you about number of processeses waiting for run time,
> amount of memory swapped to disk, blocks per second sent (and
> received) from disks, number of interrupts and context switches per
> second, CPU usage, and more.
>
> The difficult part of using this is to have a baseline to compare it
> with. For example, this is from a lightly-loaded system:
>
> procs memory swap io system
> cpu
> r b w swpd free buff cache si so bi bo in cs us
> sy id
> 0 0 0 3528 1804 1508 13868 0 0 0 1 104 7 1
> 1 98
> 0 0 0 3528 1804 1508 13868 0 0 0 0 104 7 1
> 1 98
>
> BSD systems have detailed systat, vmstat, and fstat utilities that are
> useful for tracking down bottlenecks. (It sure seems like Linux would
have
> similar tools, but I don't know where.)
>
> Jeremy C. Reed
> .......................................................
> ISP-FAQ.com -- find answers to your questions
> http://www.isp-faq.com/
>
>
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