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Re: [ldm-users] NEXRAD2 Latency/Fragmented Data?

On Thu, 6 Sep 2012, Gilbert Sebenste wrote:

Also note with the above, that you would be missing the radars starting with D,N, and R :) Here's what I use:

exec    "pqact -p BZIP2/K[A-D] -f CRAFT /home/ldm/etc/pqact.CRAFT"
exec    "pqact -p BZIP2/K[E-H] -f CRAFT /home/ldm/etc/pqact.CRAFT2"
exec    "pqact -p BZIP2/K[I-K] -f CRAFT /home/ldm/etc/pqact.CRAFT3"
exec    "pqact -p BZIP2/K[L-O] -f CRAFT /home/ldm/etc/pqact.CRAFT4"
exec    "pqact -p BZIP2/K[P-R] -f CRAFT /home/ldm/etc/pqact.CRAFT5"
exec    "pqact -p BZIP2/K[S-Z] -f CRAFT /home/ldm/etc/pqact.CRAFT6"
exec    "pqact -p BZIP2/[A-J] -f CRAFT /home/ldm/etc/pqact.CRAFT7"
exec    "pqact -p BZIP2/[L-Z] -f CRAFT /home/ldm/etc/pqact.CRAFT8"

The 2-8 files are sym links back to the mothership.

I haven't seen any load average changes/improvements since I've done this...but that's just me, I guess. (shrug)

If you already had segmented pqact processes, this change would not increase performance. It is done so that pqact writes proper .state files without overwritting each other.

-rw-r--r--   1 ldm ldm 1570 May  1 11:27 pqact.conf
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.conf.state
-rw-r--r--   1 ldm ldm  228 Jan 22  2012 pqact.CRAFT
lrwxrwxrwx   1 ldm ldm   11 Jul 19 08:34 pqact.CRAFT2 -> pqact.CRAFT
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT2.state
lrwxrwxrwx   1 ldm ldm   11 Jul 19 08:34 pqact.CRAFT3 -> pqact.CRAFT
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT3.state
lrwxrwxrwx   1 ldm ldm   11 Jul 19 08:34 pqact.CRAFT4 -> pqact.CRAFT
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT4.state
lrwxrwxrwx   1 ldm ldm   11 Jul 19 08:34 pqact.CRAFT5 -> pqact.CRAFT
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT5.state
lrwxrwxrwx   1 ldm ldm   11 Jul 19 08:34 pqact.CRAFT6 -> pqact.CRAFT
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT6.state
lrwxrwxrwx   1 ldm ldm   11 Jul 19 08:34 pqact.CRAFT7 -> pqact.CRAFT
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT7.state
lrwxrwxrwx   1 ldm ldm   11 Jul 19 08:34 pqact.CRAFT8 -> pqact.CRAFT
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT8.state
-rw-rw-r--   1 ldm ldm  183 Jul 26 16:14 pqact.CRAFT.state

daryl

--
/**
 * Daryl Herzmann
 * Assistant Scientist -- Iowa Environmental Mesonet
 * http://mesonet.agron.iastate.edu
 */



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