IN a SBS, how many jobs can exist in ACTIVE state, simultaneously?

170 pts.
Tags:
AS/400
IBM iSeries
SBS
IN a SBS, how many jobs can exist in ACTIVE state, simultaneously?

Software/Hardware used:
IBM iSeries V7R1M0

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Within a subsystem description you can specify the number of jobs that can run at one time in the subsystem by setting the maximum active jobs value. As the amount of work on your system increases you might want to change the maximum active jobs value in your subsystem
To find out do a DSPSBSD SBSD(QBATCH) for example then take a 1 to display the Maximum jobs in subsystem
CHGJOBQE SBSD(QBATCH) JOBQ(QBATCH) MAXACT(2)

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  • WoodEngineer
    There are many factors which come into play. Amount of memory (not disk) plays a big part. To see how your system is handling the jobs run DSPSYSSTS and check out the numbers in these three columns:
    Act-Wait (this is normal), Wait-Inel (not good); Act-Inel (really bad)
    The goal is zero in the last two columns; at least zero in the Act-Inel column.
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  • Gayathri123
    The number of active jobs that can exist in a subsystem depends on the number of jobs mentioned in the "Maximum Jobs in subsystem" parameter in Operational attributes of subsystem description.
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  • GregManzo
    In theory, no upper limit; in practice, how much memory do you have? If you're silly enough you can go: CHGSBD MAXJOBS(*NOMAX). If you were to then try to run an infinite number of jobs in that subsystem you would find system performance would slow down to the point where the new jobs would not start because QSYSARBn was not responding. The reason for being able to nominate a maximum is to stop you from shooting yourself in the foot.
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  • ToddN2000
    If you have it set to *NOMAX the only other thing that would restrict you is the amount of physical memory your system has.
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