[Info-vax] vms base priority watch
Jan-Erik Soderholm
jan-erik.soderholm at telia.com
Mon Jul 11 15:35:49 EDT 2011
pcoviello at gmail.com wrote 2011-07-11 19:57:
> On Jul 11, 1:42 pm, Jan-Erik Soderholm<jan-erik.soderh... at telia.com>
> wrote:
>> pcovie... at gmail.com wrote 2011-07-11 18:58:
>>
>>
>>
>>
>>
>>> On Jul 11, 12:01 pm, "Richard B. Gilbert"<rgilber... at comcast.net>
>>> wrote:
>>>> On 7/11/2011 11:09 AM, pcovie... at gmail.com wrote:
>>
>>>>> On Jul 11, 10:43 am, "Richard B. Gilbert"<rgilber... at comcast.net>
>>>>> wrote:
>>>>>> On 7/11/2011 9:46 AM, Bob Koehler wrote:
>>
>>>>>>> In article<1f612927-5e98-44e0-91e2-d889916c4... at gh5g2000vbb.googlegroups.com>, "pcovie... at gmail.com"<pcovie... at gmail.com> writes:
>>>>>>>> ok well. I did ask a yes/no question! me bad! yes I understand the
>>>>>>>> non-prived user would not do this but... we have given users the
>>>>>>>> rights to do this early in the morning to get their jobs completed,
>>>>>>>> when there are less users on the system.
>>
>>>>>>> If the system is otherwize idle at that time, that should have no affect.
>>>>>>> If only some users get to do this in the ealy hours, then it's worth while.
>>
>>>>>>> VMS does not delay lowpriorityprocesses just to make them take
>>>>>>> longer, it there are no higherpriorityprocesses doing anything.
>>
>>>>>> I can recall occasions during which a job was getting 99 percent of the
>>>>>> CPU at PriorityOne. The "hunt and peck" typists never noticed it!
>>
>>>>> thanks everyone, I know it isn't the best solution, but as I said I
>>>>> just started the job and need to pick and choose what comes first...
>>>>> thinking about this some more and doing some digging I thought
>>>>> accounting would tell you who might have issued a command? after a
>>>>> year some things are still fuzzy, so haven't come up with anything
>>>>> yet, but I'm wondering as someone pointed out that what if they hit
>>>>> the time between the hour! so it might be best to see if I can audit
>>>>> who issued the command and see what time? any ideas?
>>
>>>> Accounting is not going to tell you who issued a command unless that
>>>> command created a process. In Unix you can't blink without starting a
>>>> process or two. Not so in VMS!
>>
>>>> Maybe you should back up a bit and define the problem you are trying to
>>>> solve!- Hide quoted text -
>>
>>>> - Show quoted text -
>>
>>> I'm trying to figure out if anyone is raising the priority outside of
>>> allowed hours ...
>>
>>> thanks
>>> Paul
>>
>> And what is the problem if they do ?
>>
>> I guess that outside of "allowed hours" there are other users that would
>> be "hurt" if these users raised their prio, right ?
>>
>> And within "allowed hours" that is not the case. But then, if there is no
>> other users getting "hurt", there is no reason to raise the prio either !
>>
>> The whole point of raising the prio is that one *want* other processes
>> to get "hurt" by that (that is, runnig slower). If not, there is
>> no point in it.
>>
>> As many others have said, raising the prio on an otherwise idle system
>> will not make anything run faster...
>>
>> Can it be that the mix of batch/interactive users are different ?
>>
>> Jan-Erik.- Hide quoted text -
>>
>> - Show quoted text -
>
> as I'm told if they don't raise it in the morning for these reports it
> will take hours and if they do maybe a half hour.. and during business
> hours we are running 12 cpu's at 100% each...I am looking at creating
> a 3 node cluster splitting the users among the 2 8640's and reports
> off the 3rd 2660 so we won't/shouldn't have this issue...
>
> thanks
> Paul
OK. And we should assume that everything else has been done
to fasten up the reports ? Or to start the reports maybe an
hour earlier in the morning then today ?
Are these batch-reports ? On batch queues you can adjust the
defualt-prio as you like. Such as at specific times of day.
Jan-Erik.
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