Re: Performance Survey

[rob@xxxxxxxxx]

1. Disallow queries from being run in batch
 e. Will hurt performance.

2. IPL regularly (weekly?)
 a. Will make no difference

3. Keep spool files cleaned up
 a. Will make no difference

4. Change QPRFADJ to 0 and manually tune system
 Any number of possibilities:  a, b, c, d or e-may hurt performance.  This 
depends upon a number of factors:
i)  How good are you at performance
ii)  How timely are your performance adjustments with changes in job load
The big problem is you didn't state what your current value is.  Hopefully 
it is 2 - automatically adjust, and upon IPL also.  Adjusting only at IPL 
is only good if you do hardware upgrades and you want it to tune itself 
then, and then you'll correct it from there.  And even then only turn it 
on for the ipl immediately following the upgrade.

5. Minimize the number of jobs in the system
 a. Will make no difference
 b. Will make negligible difference
 c. Will increase performance noticeably
 d. Will increase performance dramatically


Rob Berendt
-- 
"They that can give up essential liberty to obtain a little temporary 
safety deserve neither liberty nor safety." 
Benjamin Franklin 




"Condon, Mike" <M1C@xxxxxxxxxxxxxxxxx>
Sent by: midrange-l-bounces@xxxxxxxxxxxx
02/19/2003 02:02 PM
Please respond to Midrange Systems Technical Discussion
 
        To:     "'Midrange Systems Technical Discussion'" 
<midrange-l@xxxxxxxxxxxx>
        cc: 
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        Subject:        Performance Survey


I asking you all for your opinions on how the following affect 
performance,
overall and particularly interactive.

Respond with:
 a. Will make no difference
 b. Will make negligible difference
 c. Will increase performance noticeably
 d. Will increase performance dramatically


1. Disallow queries from being run in batch
2. IPL regularly (weekly?)
3. Keep spool files cleaned up
4. Change QPRFADJ to 0 and manually tune system
5. Minimize the number of jobs in the system


Thanks in advance. 
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