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  3. April 2001

Re: batch job that uses a dspf.

  • Subject: Re: batch job that uses a dspf.
  • From: "Emilio Padilla Taylor" <epadilla@xxxxxxxxxxxx>
  • Date: Wed, 25 Apr 2001 11:31:00 -0500
  • Organization: Padilla Asociados
 
You should remember that QINTER, QBATCH, QCMD, QCTL, etc. are just names.
Why that specifics names? So you can have a easy way to relate that
environment with the kind of characteristics that it is suppose to support.
IMO, the characteristic that defines if a subsystem is batch or interactive
are the WSE for that subsystem.  If the subsystem have WSE, then you can
call it an Interactive subsystem.

Emilio

----- Original Message -----
From: "Walden H. Leverich" <WaldenL@TechSoftInc.com>
To: <MIDRANGE-L@midrange.com>
Sent: Lunes 23 de Abril de 2001 04:00 PM
Subject: RE: batch job that uses a dspf.


> OK, I'm curious, what is an "Interactive Subsystem?" I know we _think_ of
> QINTER as interactive and QBATCH as batch, but there isn't any real
> difference between these, is there? I'm not suggesting that the two
> subsystems are configured the same, but just that the _only_ difference is
> one of configuration. If I configured QINTER to have the QBATCH jobq and
> QBATCH to have all the workstations wouldn't QBATCH be my "interactive"
> subsystem and "QINTER" be my batch?
>
> In short, a subsystem is a subsystem, period. There is no difference
between
> "interactive" and "batch" subsystems, no?
>
> -Walden
>
> -----Original Message-----
> From: bruce-list@netburg.net [mailto:bruce-list@netburg.net]
> Sent: Sunday, April 22, 2001 11:52 AM
> To: MIDRANGE-L@midrange.com
> Subject: Re: batch job that uses a dspf.
>
>
> Check out the "Interactive vs. Batch" thread currently going. Here is an
> excerpt:
>
>
> On Fri, Apr 20, 2001, 5:04:14 PM GMT Jim Damato wrote:
>
>
> The link provided by Nathan Andelin defines the types of jobs that will be
> classified as interactive:
>
> o All 5250 sessions
> o Any green screen interface
> o Telnet or 5250 DSPT workstations
> o 5250/HTML workstation gateway
> o PCs using 5250 emulation
> o Interactive program debugging
> o PC Support/400 work station function
> o RUMBA/400
> o Screen scrapers
> o Interactive subsystems
> o Twinax printer jobs
> o BSC 3270 emulation
> o 5250 emulation
>
> (end of excerpt)
>
> The point is that traditionally, we have worried about the interactive
> subsystem vs. the batch subsystem. Now, due to IBM's restrictions on
> interactive jobs, we have to look at what the system is going to limit due
> to being classified as interactive. So having a display file is one
factor,
> but not the only one, as the list above shows.
>
> Bruce Hobbs
>
>
> On Sun, Apr 22, 2001, 6:01:11 AM GMT Steve Richter wrote:
>
>
> >Alexei,
> >are you sure that interactive is any job that uses a dspf ?
> >
> >the ibm doc on this subject says:
> >"In general, the Type column of the Work with Active Jobs (WRKACTJOB)
> >command will tell you which jobs are considered interactive (type = INT).
> >These are all jobs that were initiated by signing on at a 5250 display
> >device."
> >
> >other evidence to the contrary:
> >
> >1. an interactive sbs can be defined as a sbs that contains a workstation
> >entry. ( addwse ).
> >2. ibm supplied interactive cmds like strpdm and wrkactjob and cmd
> prompting
> >do not work in a batch job that acquires its device. Even when you
override
> >the ibm supplied dspf to the acquired device.
> >
> >question to all: do batch jobs that are submitted to an interactive sbs
on
> a
> >server model cause the CFINT job to run and degrade performance just as
an
> >interactive job?
> >
> >Steve
> >
> >-----Original Message-----
> >From: Alexei Pytel <pytel@us.ibm.com>
> >To: MIDRANGE-L@midrange.com <MIDRANGE-L@midrange.com>
> >Date: Friday, April 20, 2001 9:55 PM
> >Subject: Re: batch job that uses a dspf.
> >
> >
> >>
> >>It does not matter whether job type is interactive or batch. What
matters
> >>is whether job uses display I/O.
> >>All interactive jobs use it by definition, but if batch job acquires a
> >>display and tries to do display I/O, it will immediately become an
> >>"interactive" in a sense, with all the consequences.
> >>
> >>    Alexei Pytel
> >>
> >>
> >>
> >>
> >>                    "Steve Richter"
> >>                    <srichter@AutoCoder       To:
> ><MIDRANGE-L@midrange.com>
> >>                    .com>                     cc:
> >>                    Sent by:                  Subject:     batch job
that
> >uses a dspf.
> >>                    owner-midrange-l@mi
> >>                    drange.com
> >>
> >>
> >>                    04/20/2001 02:36 AM
> >>                    Please respond to
> >>                    MIDRANGE-L
> >>
> >>
> >>
> >>
> >>
> >>On a server system, does a batch job that runs a pgm that writes to a
dspf
> >>run a full server speed, or does it run in the interactive penalty box
and
> >>cause the cpu wasting CFINT job to run?
> >>
> >>To illustrate my question ...
> >>
> >>The code at the end of the email will create a cmd, dspf and cl pgm. The
> >>pgm, cmd and dspf are all named BatMenu.
> >>
> >>The cl pgm will prompt a menu on the display and execute the selected
> >>option.
> >>
> >>The cmd is used to call the cl pgm with its one parameter: This parm
> >>contains the name of the display device to write the menu to.
> >>
> >>The cl pgm is intended to run in a batch job.  So it will OvrDspf its
dspf
> >>to the device name passed in parm 1.
> >>        OvrDspf  BatMenu  Dev(&Device)
> >>
> >>To run the pgm, do the following:
> >>    1. Get the device name of a display that has a signon screen ( not
> >>signed on )
> >>    2. SBMJOB CMD(BATMENU DEVICE(sssss)) JOB(BATMENU)
> >>
> >>When I run this on my system, the job type of the job is BATCH.
> >>
> >>My question is: On a server model, does this BATCH job that writes to a
> >>display terminal run at full server speed or does it run in the
> interactive
> >>penalty box and cause the cpu wasting CFINT job to run?
> >>
> >>The code follows. I have included it in case what I am asking is not
> clear.
> >>Or it might be usefull as tutorial on the use of the Device parm of the
> >>OvrDspf cmd.
> >>
> >>Thanks for the help,
> >>Steve Richter
> >>
> >>
> >>1. Add the following to a srcmbr BatMenu in qgpl/qcmdsrc:
> >>            CMD        PROMPT('Batch job display test')
> >>            PARM       KWD(DEVICE) TYPE(*CHAR) LEN(10) +
> >>                         PROMPT('Device name')
> >>2. Create the command:
> >>        CrtCmd  qgpl/batmenu qgpl/qcmdsrc batmenu
> >>
> >>3. Add the following source code to dspf srcmbr BatMenu in qgpl/qddssrc:
> >> A          R BATMENU1
> >> A                                  2  2'MENU'
> >> A                                  4  2' 1. SNDMSG'
> >> A                                 10  2'90. SIGNOFF'
> >> A                                 12  2'OPTION:'
> >> A            OPTN           2  0B 12 10EDTCDE(Z)
> >>4. Create the dspf:
> >>        CrtDspf qgpl/batmenu qgpl/qddssrc batmenu
> >>
> >>5. Add the following source code to clp srcmbr BatMenu in qgpl/qclsrc:
> >>             PGM        PARM(&DEVICE)
> >>             DCL        VAR(&DEVICE) TYPE(*CHAR) LEN(10)
> >>
> >>             DCLF       FILE(BATMENU)
> >>             DCL        VAR(&JOB) TYPE(*CHAR) LEN(10)
> >>             DCL        VAR(&USER) TYPE(*CHAR) LEN(10)
> >>             DCL        VAR(&JOBTYPE) TYPE(*CHAR) LEN(1)
> >>
> >>             OVRDSPF    FILE(BATMENU) DEV(&DEVICE)
> >>/* OVERRIDE YOUR APPLICATIONS DISPLAY FILES HERE.      */
> >>
> >> B1:         DO
> >>             CHGVAR     VAR(&OPTN) VALUE(0)
> >>             SNDRCVF    RCDFMT(BATMENU1)
> >>             IF         COND(&OPTN *EQ 90) THEN(GOTO CMDLBL(E1))
> >>
> >>             IF         COND(&OPTN *EQ 1) THEN(DO)
> >>             RTVJOBA    JOB(&JOB) USER(&USER) TYPE(&JOBTYPE)
> >>             SNDMSG     MSG('Job' *BCAT &JOB *BCAT 'is job type' +
> >>                          *BCAT &JOBTYPE) TOUSR(&USER)
> >>
> >>             ENDDO
> >>
> >>             GOTO       CMDLBL(B1)
> >> E1:         ENDDO
> >>
> >>             ENDPGM
> >>6. Create the cl pgm
> >>            CrtClPgm  qgpl/batmenu  qgpl/qclsrc
> >>
> >>
> >>
> >>
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