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- Re: OpenVMS 8.2 Job entry numbers are very large
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тАО11-02-2008 05:56 PM
тАО11-02-2008 05:56 PM
Batch queue T4$BATCH, busy, on PRKY::
Entry Jobname Username Status
----- ------- -------- ------
3002761 T4$COLLECT SYSTEM Executing
Solved! Go to Solution.
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тАО11-02-2008 06:44 PM
тАО11-02-2008 06:44 PM
Re: OpenVMS 8.2 Job entry numbers are very large
Did you try a Forum (or comp.os.vms) search?
Why do you care?
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тАО11-03-2008 01:27 AM
тАО11-03-2008 01:27 AM
Solutionplease learn to see job numbers as just that: _A_ number. WITHOUT any coded-in properties.
If you set up a VMS queueing system, the range of numbers is (IIRC) 1-1999 (or 1-2999, sorry not sure there.
If, at ANY time, for ANY reason, the need(usually the total of print and batch jobs, waiting plus executing plus retained) exceeds the avalable slots, or if you ever have/had multiple queue managers active, that number is not enough, and the range gets extended to 7 digits, with larges holes in the range.
PLEASE consider it "just another number"
hth
Proost.
Have one on me.
jpe
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тАО11-03-2008 02:46 AM
тАО11-03-2008 02:46 AM
Re: OpenVMS 8.2 Job entry numbers are very large
First you have 999 entry numbers. When that's all used, it jumps to 9999. And then to 9999999 (starting with 1000000).
It's not a problem but indeed confusing. Reboot when all entry numbers are below 999 and it will start again with 999 entries.
Wim
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тАО11-03-2008 04:43 AM
тАО11-03-2008 04:43 AM
Re: OpenVMS 8.2 Job entry numbers are very large
???
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тАО11-03-2008 06:46 AM
тАО11-03-2008 06:46 AM
Re: OpenVMS 8.2 Job entry numbers are very large
In retrospect, it was a arguably mistake to use an obvious sequential allocation algorithm and to keep the numbers in a small range up until they teleported off into a scary gigantic and more-typing range. (A case of setting user expectations wrong. When designing and if you have to do this design, always start with the "scary value.")
The job entry number is officially undocumented, but there are descriptions of the fields around -- just like there are descriptions of the organization of the external PID value.
Here's some reading material, including the format and a now semi-documented mechanism to compress the queue entry range:
http://64.223.189.234/node/419
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тАО11-03-2008 07:19 AM
тАО11-03-2008 07:19 AM
Re: OpenVMS 8.2 Job entry numbers are very large
If job numbers get above 1000000 (or 999), remove all jobs (and reshedule them later) or make sure that all job numbers are below 1000 and reboot. The cycle between 1 and 999 will restart.
Wim
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тАО11-03-2008 08:18 AM
тАО11-03-2008 08:18 AM