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  • Subject: Re: How do I find the CPU hog?
  • From: John Myers - MM <jmyersmm@xxxxxxxxxx>
  • Date: Wed, 27 Jun 2001 17:50:34 -0400

Dan,

For starters:

1.  WRKACTJOB
2.  Point cursor to the CPU% column
3.  Press F16 (sequence) ... your tasks will be listed in descending order 
by CPU% used.
4.  Press F5 or F10 to refresh/reset statistics as required.

This should get you close ... let me know if you need more info ...

Also:

  - High disk utilization > 80% will significantly slow down your system ...
  - What are your paging rates? ... paging will increase your cpu usage as 
well (memory is the cheapest performance enhancer for most AS/400's)

BTW:  You can point to ANY column in WRKACTJOB and press F16 & have that 
column sorted ...

' hope this helps!

John Myers
IBM Certified Specialist - AS/400 Technical Solutions
IBM Certified Specialist - Advisor for e-Business
Strategic Business Systems, Inc.
17 S. Franklin Turnpike, Ramsey, NJ 07446  USA
E-mail: mailto:jmyers@sbsusa.com   Phone: +1 (201) EASY 400   x131
Web:    http://www.sbsusa.com      Fax:   +1 (201) 327-6984

Free Sports League Management - Powered by AS/400
      http://www.ScoreBook.com


At 04:44 PM 6/27/01, you wrote:
>I've got a 9406-510 running at V3R7 with the "latest" cumes.  Over the
>past few days, we've been seeing the CPU running consistently in the 75%
>- 90+% range all day long.  A cursory look at the jobs in WRKACTJOB
>showed a total of about 40% when the display header shows 74%.  Our job
>queue is beginning to get backed up a bit.  Disk uitilization is
>currently at 81%, BUT we've had this condition for at least a few weeks
>now.  This system hasn't seen disk utilization under 70% in a long LONG
>time.
>
>Where do I start looking?
>
>Dan Bale
>IT - AS/400
>Handleman Company
>248-362-4400  Ext. 4952
>D.Bale@Handleman.com
>   Quiquid latine dictum sit altum viditur.
>   (Whatever is said in Latin seems profound.)

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