High Load

[Martin Hepworth]

Jeff

seems to affect the smaller machines (like mine) quite badly..


--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300


Jeff A. Earickson wrote:
> Hi,
>    I've been using bigevil.cf for a while (2.12M until this morning,
> 2.12P now), with no load problems.  My setup: Sun V1280 (4 cpus), Solaris 9,
> MS 4.29.7, razor, SA 2.63, perl 5.8.3 built as sun4-solaris-thread-multi.
> My typical load is in the range of 2-3.
>
> Jeff Earickson
> Colby College
>
> On Tue, 27 Apr 2004, Mike Kercher wrote:
>
>
>>Date: Tue, 27 Apr 2004 07:55:59 -0500
>>From: Mike Kercher <mike at CAMAROSS.NET>
>>Reply-To: MailScanner mailing list <MAILSCANNER at JISCMAIL.AC.UK>
>>To: MAILSCANNER at JISCMAIL.AC.UK
>>Subject: Re: High Load
>>
>>excellent pointer!  I *did* have bigevil.cf loaded.  After rm'ing it and
>>reloading MS, my load is down below 1.00 again.  I'll be keeping an eye on
>>it today.  Thanks a LOT!  I woke up to an unresponsive server this morning
>>:/
>>
>>Mike
>>
>>
>>
>>>-----Original Message-----
>>>From: MailScanner mailing list
>>>[mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf Of Martin Hepworth
>>>Sent: Tuesday, April 27, 2004 3:09 AM
>>>To: MAILSCANNER at JISCMAIL.AC.UK
>>>Subject: Re: High Load
>>>
>>>Have you got the bigevil.cf loaded in SA? I found this a major hog..
>>>
>>>Also do the debug stuff mentioned previously.
>>>
>>>--
>>>Martin Hepworth
>>>Snr Systems Administrator
>>>Solid State Logic
>>>Tel: +44 (0)1865 842300
>>>
>>>
>>>James Gray wrote:
>>>
>>>>Pete wrote:
>>>>
>>>>
>>>>>Mike Kercher wrote:
>>>>>
>>>>>
>>>>>
>>>>>>I'm seeing a HUGE load on my system and I can't figure out why.
>>>>>>
>>>>>>14:47:00  up 46 min,  3 users,  load average: 13.43, 14.25, 10.73
>>>>>>102 processes: 87 sleeping, 12 running, 3 zombie, 0 stopped
>>>>>>CPU states:  75.6% user  24.3% system   0.0% nice   0.0% iowait
>>>>>>0.0% idle
>>>>>>Mem:  1022796k av,  915824k used,  106972k free,       0k
>>>
>>>shrd,   43448k
>>>
>>>>>>buff
>>>>>>                  522344k actv,  197376k in_d,  127288k in_c
>>>>>>Swap: 2048276k av,   31672k used, 2016604k free
>>>
>>>       441600k
>>>
>>>>>>cached
>>>>>>
>>>>>>PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM
>>>
>>>TIME CPU COMMAND
>>>
>>>>>>9837 root      15   0 14808  952   820 S    68.5  0.0   3:25   0
>>>>>>MailScanner
>>>>>>15534 hbaldera  23   0     0    0     0 Z     0.7  0.0   0:00   0
>>>>>>cucipop
>>>>>><defunct>
>>>>
>>>>
>>>>**SNIPPED**
>>>>
>>>>
>>>>>Why does your machine use swap when you have plenty of ram free ?
>>>>
>>>>
>>>>I've often seen my *nix boxen swap stuff out to increase
>>>
>>>cache/buffer
>>>
>>>>for stuff that is loaded but very rarely used (like lpd).
>>>
>>>I remember
>>>
>>>>doing some exercises with this on Solaris when I did my Sun
>>>
>>>CSE course
>>>
>>>>(the idea was performance tuning a server with very high
>>>
>>>I/O and low
>>>
>>>>application memory requirements - think BIG ftp/mail
>>>
>>>server).  Never
>>>
>>>>touched it since then but is is possible to skew the memory
>>>
>>>management
>>>
>>>>to "prefer" buffer/cache in certain circumstances.
>>>>
>>>>Cheers,
>>>>
>>>>James
>>>>
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>
>
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