Re: [ldm-users] Scalability of pqact patterns

Thanks for the input.  We would love to run multiple pqact instances, but
this is the AWIPS version of LDM, so only one pqact can run.


On Wed, Mar 1, 2017 at 10:51 AM, Steve Emmerson <emmerson@xxxxxxxx> wrote:

> The only limit is the amount of virtual memory on the machine.
>
> Performance may suffer, however, if the list gets too big. What's "too
> big" will depend on your system.
>
> You might want several smaller pqact(1) configuration-files rather than
> one big one simply to keep things organized.
>
> Regards,
> Steve Emmerson
>
> On Wed, Mar 1, 2017 at 8:37 AM, Patrick L. Francis <wxprofessor@xxxxxxxxx>
> wrote:
>
>> Is there an upper limit to the number of patterns that can/should be in
>> pqact.conf?
>>
>> Thanks for any insight!
>>
>>
>>
>> matt..
>>
>>
>> I've never run into any limits, but Big Steve Emmerson could of course
>> prove me wrong there.. what I like to do is keep all my product actions in
>> separate files called via ldmd.conf
>>
>> for example i have something similar to:
>>
>> pqact.warnings
>> pqact.models
>> pqact.nids
>> pqact.me (for admin type stuff)
>>
>> then in ldmd.conf
>> EXEC "pqact /home/ldm/etc/pqact.nids"
>> EXEC "pqact /home/ldm/etc/pqact.models"
>> EXEC "pqact /home/ldm/etc/pqact.warnings"
>> EXEC "pqact /home/ldm/etc/pqact.me"
>>
>> I do that because in the old days we had pqact.gempak and it took forever
>> to find what i was looking for, and this way each product action is only
>> committed if needed to lessen the processing burden... but to answer your
>> question again I've never hit any limits, but that doesn't mean there isn't
>> one. [image: :-)]
>>
>> cheers,
>>
>> --patrick
>>
>> …………………………………………………………...........
>>
>> Patrick L. Francis
>>
>> Director of Research & Development
>>
>> Aeris Weather
>>
>>
>>
>> http://aerisweather.com/
>>
>> http://modelweather.com/
>>
>>
>>
>> wxprofessor@xxxxxxxxx
>>
>> http://facebook.com/wxprofessor/
>>
>>
>>
>> …………………………………………………………
>>
>>
>> ..
>>
>>
>>
>>
>>
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>
>


-- 
Matt Foster
Techniques Development Meteorologist
NWS Central Region Headquarters, Scientific Services Division / STI
Kansas City, MO
Office: 816-268-3113

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