RE: Triggers, Activation Groups, Performance

["Stone, Brad V (TC)" <bvstone@xxxxxxxxxxxxxx>]

Mark,

The original poster said they use QILE for everything, so I am assuming it
would not be eligible for reclaim.

Bradley V. Stone
Taylor Corporation - OASIS Programmer/Analyst   
bvstone@taylorcorp.com


> -----Original Message-----
> From: Mark Lazarus [SMTP:mlazarus@ttec.com]
> Sent: Saturday, January 23, 1999 3:34 PM
> To:   MIDRANGE-L@midrange.com
> Subject:      RE: Triggers, Activation Groups, Performance
> 
> Bradley,
> 
> At 03:45 PM 1/21/99 -0600, you wrote:
> 
> >If you were to have your trigger program run in a unique AG, and you
> wanted
> >to reclaim the AG after every call, I think you would actually see a
> >decrease in performance since the unique AG (for example using *NEW)
> would
> >have to be created, and then when done, reclaimed.  In your instance,
> >reclaiming the AG is not an option since QILE AG is used for everything,
> and
> >therefore would not be eligible to be reclaimed.
> 
>  I don't think that your last statement is accurate.  QILE has no special
> magic.  It's just a default that IBM picked for named AGs.  There's
> nothing
> that would restrict reclaiming it the same as any other AG.  An AG is
> attached to a particular job.  Any other job firing the trigger will get a
> new invocation of the program.  
> 
>  *CALLER would probably give you the best performance, especially
> noticable
> in jobs that are doing very few updates, since a new AG doesn't have to be
> created.
> 
>  -mark
> 
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