Re: CPU utilization, Priority, and Throughput

["R. Bruce Hoffman, Jr." <rbruceh@xxxxxxxxxxxxx>]

-----Original Message-----
From: Richard Jackson <richardjackson@richardjackson.net>
To: MIDRANGE-L@midrange.com <MIDRANGE-L@midrange.com>
Date: Monday, July 17, 2000 12:36 PM
Subject: CPU utilization, Priority, and Throughput


>
>I am concerned when the elapsed time for a priority 50 batch job is
>significantly increased when a priority 99 job runs and there are no
>obviously-overloaded components.


The only time I know of that this happens is when there is a lock held by
the lower priority job that the higher priority job wants.  The lower
priority job will then have its priority raised in an attempt to release
said lock sooner.

This has been in the system for some time.

===========================================================
R. Bruce Hoffman, Jr.
 -- IBM Certified Specialist - AS/400 Administrator
 -- IBM Certified Specialist - RPG IV Developer

"Those who would give up essential Liberty,
  to purchase a little temporary Safety,
  deserve neither Liberty nor Safety."

     - The Papers of Ben Franklin



+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to MIDRANGE-L@midrange.com.
| To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com.
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---