Edward Gould wrote:

>The following Christmas party I got brave and went over to the CEO and got 
>into a conversation about the issue. 

Wow! You're that brave!


>... The VP said that is all we don’t have to upgrade our machine? ... I said 
>one caveat, and I saw everyone look at me, and I said this issue would need to 
>be implemented by program redesign. I said the programming area would have to 
>be involved. I thought I heard someone get out a gun but it was something like 
>a sigh. I got the COBOL upgrade, and we pushed the end of the day back about 
>an hour. A few months later we were told we were going to get a major hardware 
>upgrade and software as well.

Great! You deserve a medal!

I have seen that scenario a few times in my career. Something breaks or is 
causing high CPU, excessive memory usage and swapping or slow transaction 
response time. Result - everyone screamed for a major upgrade (hardware or 
software)

Sometimes a simple redesign of a program resolved most of the problems. One 
example - I have handled a bad program problem scenario. It repeately opened a 
VSAM dsn, do its thing and close. Repeat - wash, rinse, repeat all of this.

Result - slow program, slow transaction times and lots of RACF SMF records 
(access attempt) and SYSLOG messages.

I told the programmers after looking at their programs, just please move the 
OPEN outside the loop and the CLOSE after the loop. Voila, all were happy.

... no, I did NOT get a T-shirt ...  ;-)

Groete / Greetings
Elardus Engelbrecht

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