RE: size of activation group

Hello Charles,

The SP's do use the very common files but only for read purposes. So I
do not worry about it that they are kept open, and commitment control is
out of scope.
A few applications have named AG's in my shop, but for most of the other
applications I won't hussle around with reclaiming resources. And I
don't want to keep the application AG's alive after use, they have too
much update files under commitment control, so I want the system to
automaticly clean up after use.

Kind Regards, 
Arco Simonse


-----Oorspronkelijk bericht-----
Van: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] Namens Wilt, Charles
Verzonden: woensdag 18 mei 2005 16:56
Aan: RPG programming on the AS400 / iSeries
Onderwerp: RE: size of activation group

Simonse,

The recommendation I usually see is to have service programs use
ACTGRP(*CALLER).  As I understand it, this allows the service program to
operated under the same commitment control definition as the calling
program.

If you're service program are non-database related, in other words they
aren't accessing any files I think a common AG would be fine.  But if
they access files, I'd think I'd leave them as *CALLER.

Instead of messing with the service programs, have you considered
changing the applications from (*NEW) to a named AG?

Charles Wilt
iSeries Systems Administrator / Developer Mitsubishi Electric Automotive
America
ph: 513-573-4343
fax: 513-398-1121
 

> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Simonse, Arco (CMK)
> Sent: Wednesday, May 18, 2005 8:26 AM
> To: RPG400-List Midrange.com
> Subject: size of activation group
> 
> 
> Hello,
> 
> 
> I want to separate several serviceprograms that are often used by our 
> applications. These srvpgms do very common things, like getting 
> customer info, article coding info, stock info, selection subfile 
> windows, etc.
> Until now I always compiled these serviceprograms with ACTGRP *CALLER,

> and the applications that use these servicepgms are always compiled 
> with *NEW or sometimes in a named ACTGRP. There are about 150 
> applications that often use parts of these 60 serviceprograms. So far 
> so good.
> 
> I realize that the dowside of this approach is that every time an 
> application starts that was compiled with ACTGRP *NEW, it will 
> initialize the almost same bundle of serviceprograms that were used in

> the previous executed applications.
> So what I want to do is to put these serviceprograms in a separate 
> named activation group, for example COMMONAG.. Then resources for 
> these serviceprograms are initialized at once and remain available for

> all applications that are executed later.
> 
> The serviceprograms are optimized *FULL and about 700 - 900 Kb each.
> Total serviceprogram size is 48 Mb. Static storage is 11 Mb.
> 
> My questions:
> 
> 1) Does it cause problems when I keep this COMMONAG during the job's 
> life with this static storage of 11 Mb and of course the ODPs for 
> about 40 files loaded ?
> 
> 2) Do activation groups have a size limit ?
> 
> 3) Are there any other problems that I do not foresee?
> 
> Any help would be appreciated.
> 
> Arco Simonse
> 
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