Re: 19991027: multiple ldm processes

On Wed, 27 Oct 1999, Unidata Support wrote:

> 
> ------- Forwarded Message
> 
> >To: address@hidden
> >From: Phil Mieczynski <address@hidden>
> >Subject: multiple ldm processes
> >Organization: National Weather Service
> >Keywords: 199910272243.QAA09585 LDM
> 
> 
> Hello,
> I took your LDM course back in June and am just now getting around to actually
> loading it on one of my systems. My plan is to test it by distributing data
> between the regional headquarters and the Anchorage forecast office using 
> ARONET
> boxes. If all goes well (and I'm sure it will) my next step is to load it on 
> all
> of our AWIPS LDAD's. Now to my primary question...
> 
> Whenever I start ldm by using the "ldmadmin start" command I end up with 2
> rpc.ldmd processes and 1 pqexpire process. The output of the "ldmadmin ps"
> command shows the following PID/PPID info:
> 
> PID PPID    COMD
> 1598    1   rpc.ldmd -q /home/ldm/data/ldm.pq /home/ldm/etc/ldmd.conf
> 1599    1598    pqexpire
> 1602    1598    rpc.ldmd -q /home/ldm/data/ldm.pq /home/ldm/etc/ldmd.conf
> 
> Why do I have rpc.ldmd processes running and how do I correct this? Thanks in
> advance for your help.

Phil,

That's correct, remember that the LDM consists of many co-operating
processes.  Probably one is the main server and one is the requesting
process. There is also one for each feeder process.  Here's a ps from one
of our machines, there's a bunch on rpc.ldmd's

Robb...

zero:ldm) 168 % l ps
 F S      UID   PID  PPID  C PRI NI     ADDR     SZ    WCHAN    STIME TTY
TIME CMD
 8 S      ldm 28736 17408  0  41 20 62074718  37731 62074910   Oct 18 ?
22:55 rpc.ldmd -q /usr/local/ldm/data/ldm
 8 S      ldm  6108 17410  0  41 20 6346ee00    519 620b045e 08:45:03 ?
0:03 /usr/local/bin/perl /usr/local/ldm/
 8 S      ldm 14975 17408  0  41 20 61461638  37731 61461830   Oct 26 ?
3:07 rpc.ldmd -q /usr/local/ldm/data/ldm
 8 S      ldm 17412 17408  0  61 20 61986210  38347 61986408   Sep 01 ?
662:56 pqsurf
 8 S      ldm 17413 17412  0  41 20 632b5b60   1033 632b5d58   Sep 01 ?
143:49 pqact -d /usr/local/ldm -q /usr/loc
 8 S      ldm 17415 17408  0  41 20 619868d0  37716 637fc396   Sep 01 ?
60:32 rpc.ldmd -q /usr/local/ldm/data/ldm
 8 S      ldm 17410 17408  0  41 20 61984710  37718 61984908   Sep 01 ?
198:10 pqact
 8 S      ldm 22478 17408  0  41 20 6184a8c8  37731 6184aac0   Oct 05 ?
40:20 rpc.ldmd -q /usr/local/ldm/data/ldm
 8 S      ldm  6113 17410  0  41 20 60ffa1f0    857 620b18d6 08:51:41 ?
0:51 /usr/local/bin/perl /usr/local/ldm/
 8 S      ldm 17408     1  0  40 20 615ec700  37731 620b1926   Sep 01 ?
0:00 rpc.ldmd -q /usr/local/ldm/data/ldm
 8 S      ldm 17414 17408  1  41 20 615ef640  37713 620b0f9e   Sep 01 ?
1138:05 rpc.ldmd -q /usr/local/ldm/data/ldm
 8 S      ldm 17409 17408  0  99 20 61986f90  37687 61987188   Sep 01 ?
527:48 pqexpire
 8 S      ldm 17411 17408  0  41 20 615ed480  37718 615ed678   Sep 01 ?
248:57 pqbinstats
 8 S      ldm 14384 17408  0  41 20 614601f8  37731 620b0616 23:00:09 ?
1:02 rpc.ldmd -q /usr/local/ldm/data/ldm
 8 S      ldm 19396 17410  0  49 20 6145e038    495 61286ad8   Oct 06 ?
0:00 /usr/local/bin/perl /usr/local/ldm/



> 
> Phil Mieczynski
> National Weather Service
> Alaska Region Headquarters
> 907.271.4421
> 
> P.S. I'm running ldm on a HP-UX 10.20 box. I downloaded/installed the binary 
> ldm
> load from your website.
> 
> 
> ------- End of Forwarded Message
> 

===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================