Why not use FASTAUTH after building the ACEE?

You could also contact IBM and see if they have any RACF trace tools to help 
find your bottleneck with AUTH.

> On 27 Jun 2014, at 17:48, "Phil Smith" <[email protected]> wrote:
> 
> Rob Scott wrote, in part:
>> As far as I can tell, there is no mention of any method for your server to 
>> be notified if an address space has terminated whilst a request for it is 
>> still in your queue.
> 
> Yes, we do handle that, and I think we'd be OK in this case, if I got the 
> addressing right.
> 
>> So, how do you go about fixing this situation?
> 
>> I think you have the following choices (there may be more) :
> 
>> (A1) Perform the security checking in the PC-ss routine using ALET value of 
>> 2 as described in previous posts.
>> (A2) Convert the code to TWO PC routines, an initial PC-cp routine that does 
>> the RACROUTE and then it will issue the PC-ss if successful to communicate 
>> with your server (PC-cp = "Current Primary" - ie no space switching occurs).
>> (A3) Change the existing PC-ss to extract the callers's userid from the 
>> *HOME* ACEE and populate the server request block with that data. When your 
>> async request handler get control (in H=P=S), it can build the ACEE and 
>> perform the RACROUTE check in a "normal" way.
> 
>> I recommend  (A3) based on your posts so far.
> 
> So now we're REALLY back to where I started. Recall that this all works fine 
> (FSVO "fine", notwithstanding the caveats about "if the client manages to 
> vanish at JUST the right time"); at least it's worked so far, in many many 
> millions of operations done at a lot of customer sites. So I'm by no means 
> disputing the risk there, just saying that it's relatively low (and we're 
> just doing a FASTAUTH, so it may be OK--we've copied the input data; I'm 
> guessing/assuming that when we get back to the PC handler to return to the 
> caller, we'll find it's not there and be OK, but I'm not sure--must test).
> 
> Anyway. When the DB2 issue surfaced (new function), one of my first attempts 
> was to do a REQUEST=AUTH:
>         RACROUTE REQUEST=AUTH,APPL=APPLNM,CLASS=CLASSNML,             X
>               USERID=SRQEAUSR,                                        X
>               DECOUPL=YES,REQSTOR=MODNAME,SUBSYS=0,                   X
>               ENTITY=ENTNAME,                                         X
>               ATTR=READ,                                              X
>               LOG=ASIS,                                               X
>               WORKA=WK512,                                            X
>               RELEASE=2.4,                                            X
>               MF=(E,RAUTHMFL
> 
> This works fine--but it's dog-slow. And I'm not sure why. If I do 10,000 
> operations with FASTAUTH, it takes ~2 seconds elapsed. If I do it with AUTH, 
> it takes ~3 MINUTES elapsed. Yet during that 3 minutes, overall CPU is a 
> couple of percent, and neither the STC nor (of course) the client program 
> shows any significant CPU usage. Nor does anything else in an SDSF;DA display.
> 
> So it appears that it's waiting somewhere on something. I had an off-list 
> conversation with Walt Farrell, who suggested contention for the ACEE, but 
> there's nothing else *running* -- on a test system I've IPLed and run it with 
> nothing else started (well, DB2 and like that, but nothing else related to 
> the client user) and it's still slow. So unless it's waiting on something 
> that times out and then continues, I don't see how this can be happening. But 
> what is it waiting on?? I'd love to use REQUEST=AUTH in all cases--it's 
> simpler -- but not when it takes a couple of orders of magnitude longer.
> 
> Any ideas?
> 
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