• Subject: RE: Performance Question - Authority check rate exceeded gui
  • From: "Cotes, Steven" <cotess@xxxxxxxxxxx>
  • Date: Sat, 22 Nov 1997 11:54:51 -0800

John,
thanks for looking up the order, off the top of my head
I couldn't remember and wasn't near my books.
The significant point for I meant for John Cirocco was
that if most of your object access is via public authority
and you have even one profile with less than public,
it causes extra checking for everyone else using
public.

You ask about adopting authority impacting performance.
I'd like confirmation on this also, maybe someone else can
comment.

My understanding has been that, adopting adds overhead
but that since authority is usually granted sooner in the
check order it becomes a wash or slight net gain.

Has anyone on the list tested this ?

 -Steve Cotes
 -cotess@data-io.com

        <snip>

> Hi
> 
> Checking order;
> 
> 1. Individual User Profile
>       All object special authority?
>       Object Authority to object?
>       Authorization List with object?
> 
> 2. Group Profile
>       All object special authority?
>       Object authority to object?
>       Authorization List with Object?
> 
> 3. Public Authority
>       Object Authority(public authority>)
>       Authorization list with object?
> 
> Soltis's book says that;
> 
> "The first authority that is found is used, unless there is a program
> adoption.  In this case, the adopted authority is added to the first
> authority found in the search."
> 
> (BTW Sys/38 was accumulative.  Big change when we moved to AS/400)
> 
> My question if you program adopts, does it sloooow down the
> checking???
> 
> 
> John Carr
> 
>   
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