[GE users] resetting job number (jobseqnum)

reuti reuti at staff.uni-marburg.de
Tue Jan 12 21:35:12 GMT 2010


Am 12.01.2010 um 22:32 schrieb cjf001:

> Oh yes - lots and lots of them......  I take it that you
> think the system must be "empty" for that to work ?

Yes, that's my experience.

-- Reuti


>    Thanks,
>
>       John
>
>
> reuti wrote:
>> Hi,
>>
>> Am 12.01.2010 um 21:00 schrieb cjf001:
>>
>>> Guys -
>>>
>>> I'm looking for a way to reset the job numbers back to "1" or
>>> something
>>> low. I read this webpage:
>>
>> was there any running or waiting job in the system?
>>
>> -- Reuti
>>
>>
>>> http://gridengine.info/2007/08/24/reset-grid-engine-job-id-counter
>>>
>>> which says this:
>>>
>>>> Reset Grid Engine Job ID Counter
>>>> Posted by chris on Friday, August 24, 2007
>>>>
>>>> Update 12/2009: It has been pointed out that the actual rollover
>>>> value for the SGE JOB ID is 9,999,999.
>>>>
>>>> In a recent post, Sathish asks:
>>>>
>>>>
>>>> My Current scenario: The job-ids crossed 5000. I'm quite aware
>>>> that i can go with the job-id's till 999999. My Expectation: Is
>>>> there any option to reset the existing job-id's such that the next
>>>> job i submit will follow from 1 to ....
>>>> Reuti is quick to mention that the Job ID counter is kept in a
>>>> plaintext file at location:
>>>>
>>>>
>>>> $SGE_ROOT/default/spool/qmaster/jobseqnumber... this does require
>>>> a restart of Grid Engine to take effect.
>>>>
>>>> In another reply, Rayson offers a hint to people interested in
>>>> altering the default value at which the SGE Job ID counter is
>>>> reset back to 0. Apparently this value is encoded as "MAX_SEQNUM"
>>>> in the SGE source code.
>>>>
>>>
>>> However, it doesn't seem to work.  I stop the sgemaster process on
>>> the qmaster,
>>> edit the $SGE_ROOT/default/spool/qmaster/jobseqnumber file (this
>>> should actually
>>> say "$SGE_ROOT/$SGE_CELL/spool/qmaster/jobseqnum" in that webpage,
>>> I think), and
>>> restart the sgemaster process - but after a few seconds that file
>>> gets changed
>>> back to  the large number that it contained before I editted it.
>>> Any ideas
>>> on how to do this, or what I'm missing ?
>>>
>>>      Thanks,
>>>
>>>          John
>>>
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