[Info-vax] What does VMS get used for, these days?

[Dave Froble]

On 11/6/2022 1:50 PM, Arne Vajhøj wrote:
> On 11/6/2022 12:23 AM, Dave Froble wrote:
>> On 11/5/2022 8:42 PM, Arne Vajhøj wrote:
>>> On 11/5/2022 8:25 PM, Robert Carleton wrote:
>>>> I work in an environment where there's lots of scientific computing
>>>> on the Linux platform. One of the things about it, is that getting
>>>> compute time is very competitive, and our users/coders game the batch
>>>> systems to gain an advantage in getting their jobs to run. We can't
>>>> use the stock Linux batch systems (at, batch, atd, cron, and friends)
>>>> for that work, though the system administrators probably use those
>>>> for some of what they do. We have to use add-on batch systems for
>>>> controlling those jobs.
>>>>
>>>> I'm not familiar with the VMS batch facilities yet (I'm a Linux/BSD
>>>> jockey), but I've heard that they are pretty advanced. Perhaps that
>>>> would provide an advantage, at least when there is a lot of
>>>> competition for compute resources.
>>>
>>> VMS batch queues are pretty good. You setup the queues with
>>> priority, task limit, CPU limit, memory limit etc.. Good cluster
>>> support. The only thing I don't like is the defaults for
>>> the log file - and that is a minor inconvenience.
>>
>> Not sure what you dislike about batch log files ...
>>
>> SUBMIT
>>
>>    /LOG_FILE
>>
>>          /LOG_FILE[=filespec]
>>          /NOLOG_FILE
>>
>>       Names the log file. The asterisk (*)  and the percent sign (%)
>>       wildcard characters are not allowed in the file specification.
>>
>>       When you use the /LOG_FILE qualifier, the system writes the batch
>>       job's output to the file you specify. If you use the /NOLOG_FILE
>>       qualifier, no log file is created. By default, a log file is
>>       created, is written to the directory defined by the logical name
>>       SYS$LOGIN in the UAF, and is given the batch job's name as its
>>       file name with a file type of LOG. By default, a log file also is
>>       given the batch job's name as its file name with a file type of
>>       LOG.
>>
>> Seems to cover a lot.
>
> I dislike the default location. I would very much prefer
> them to go to either dir with com file or current dir when
> submitting instead of sys$login.
>
> And I dislike that /PRINT is default.
>
> Arne

Arne, I've always used the /LOGFILE=<some location>.  I like to know where to 
look for my logfiles, not have to search for them.  It sure makes automated 
searches of logfiles much easier.  And I never allow a default print of a logfile.


-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
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