Load avg issue

[nilesh vaghela]

when the server is normal the top say

12:01:26  up 91 days, 20:07,  3 users,  load average: 1.71, 1.23, 1.66
172 processes: 166 sleeping, 4 running, 2 zombie, 0 stopped
CPU states:  cpu    user    nice  system    irq  softirq  iowait    idle
           total   57.0%    0.0%    5.6%   0.0%     0.0%    9.8%  127.2%
           cpu00   24.1%    0.0%    3.3%   0.0%     0.0%    5.9%   66.4%
           cpu01   32.8%    0.0%    2.3%   0.0%     0.0%    3.9%   60.7%
Mem:  1024780k av, 1007700k used,   17080k free,       0k shrd,   38324k
buff
                    755896k actv,  142816k in_d,   15620k in_c
Swap: 1999992k av,  324624k used, 1675368k free                  604408k
cache

It can be a SCSI adapter issue ??

On 4/13/07, nilesh vaghela <nileshj.vaghela at gmail.com> wrote:
>
> This happens sometimes lets say once in 3 days or may be some time once in
> week.
>
> Let me try to increase the ram.
>
> [root at mailserver root]# free -m
>              total       used       free     shared    buffers     cached
> Mem:          1000        984         16          0         37        593
> -/+ buffers/cache:        353        647
> Swap:         1953        316       1636
>
>
> On 4/13/07, Andrei Pascal <andrei at romsym.ro> wrote:
> >
> > On Fri, 2007-04-13 at 01:15 -0400, nilesh vaghela wrote:
> > > We have mail server running with sendmail, horde with front end and
> > around
> > > 350 users.
> > >
> > > Some time the server indicate very high cpu usage.
> > >
> > > What is to be ckeck
> > >
> > > We are using RHEL3.
> > >
> > >
> > >  10:49:11  up 91 days, 18:55,  3 users,  load average: 11.93, 15.27,
> > 13.87
> > > 259 processes: 254 sleeping, 4 running, 1 zombie, 0 stopped
> > > CPU
> > states:  cpu    user    nice  system    irq  softirq  iowait    idle
> > >            total   66.8%    0.0%   13.2%   0.4%     0.0%  118.8%
> > 0.0%
> > >            cpu00   39.9%    0.0%    7.5%   0.5%     0.1%   51.6%
> > 0.0%
> > >            cpu01   27.0%    0.0%    5.7%   0.0%     0.0%   67.1%
> > 0.0%
> > > Mem:  1024780k av, 1008968k used,   15812k free,       0k shrd,
> > 13764k
> > > buff
> > >                     749248k actv,  143504k in_d,   14280k in_c
> > > Swap: 1999992k av,  437476k used, 1562516k
> > free                  558700k
> > > cached
> > > --------------
> > > [root at mailserver root]# ps -el | grep imap | wc -l
> > >     109
> > > -----------------
> >
> > The "iowait" field in the CPU usage status means your processess are
> > waiting for some data. Check you disk and network latency. 1 GB RAM
> > should do it, but your swap is bieng hit quite hard. Check vmstat for si
> >
> > and so (swap in / swap out) - I think that's where youp problem is.
> >
> > Try stopping unnecessary services or simply add an extra GB of RAM to
> > that machine.
> >
> >
> > Regards,
> > Andrei
> >
> >
> > --
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> > https://www.redhat.com/mailman/listinfo/redhat-list
> >
>
>
>
> --
> Nilesh Vaghela
> ElectroMech
> Redhat Channel Partner and Training Partner
> 74, Nalanda Complex, Satellite Rd, Ahmedabad
> 25, The Emperor, Fatehgunj, Baroda.
> www.electromech.info
>



-- 
Nilesh Vaghela
ElectroMech
Redhat Channel Partner and Training Partner
74, Nalanda Complex, Satellite Rd, Ahmedabad
25, The Emperor, Fatehgunj, Baroda.
www.electromech.info