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

Blair, if you're looking at A&M's site, send me a private note with info on:
what site(s) you're requesting from
what your hostname is.

ldm.tamu.edu appears to be on-time for Level II data.

gerry

On Mon, Jul 30, 2012 at 5:33 PM, Gerry Creager <gerry.creager@xxxxxxxx>wrote:

> I've been sorta swamped, too. Let me see what we're getting at A&M. Will
> report this evening.
> gerry
>
>
> On Mon, Jul 30, 2012 at 5:03 PM, Gilbert Sebenste <
> sebenste@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
>> On Fri, 27 Jul 2012, Blair Trosper wrote:
>>
>>  I am still seeing this latency...and a lot of us are running nearly an
>>> hour
>>> behind (Michigan Weather Systems, TAMU, and my constellation of servers)
>>> on
>>> NEXRAD2.
>>>
>>
>> Interesting. Sorry it has taken me so long to respond, but
>> I am gettign the feeds right on time. Blair, have you tried
>> something like this in your ldmd.conf:
>>
>> exec    "/home/ldm/bin/pqact -f NEXRAD2 -p BZIP2/K[A-D]
>> /home/ldm/etc/pqact.gempak_**craft"
>> exec    "/home/ldm/bin/pqact -f NEXRAD2 -p BZIP2/K[E-K]
>> /home/ldm/etc/pqact.gempak_**craft"
>> exec    "/home/ldm/bin/pqact -f NEXRAD2 -p BZIP2/K[L-R]
>> /home/ldm/etc/pqact.gempak_**craft"
>> exec    "/home/ldm/bin/pqact -f NEXRAD2 -p BZIP2/K[S-Z]
>> /home/ldm/etc/pqact.gempak_**craft"
>> exec    "/home/ldm/bin/pqact -f NEXRAD2 -p BZIP2/T[A-Z]
>> /home/ldm/etc/pqact.gempak_**craft"
>> exec    "/home/ldm/bin/pqact -f NEXRAD2 -p BZIP2/P[A-Z]
>> /home/ldm/etc/pqact.gempak_**craft"
>>
>>
>>  I saw some other servers (NSF and OU and Purdue) that were also behind by
>>> at least 1500 seconds, and, in many cases, in excess of an hour.
>>>
>>> I guess once that page is functoinal again (all feed tree pages seem to
>>> be
>>> non-operational at present), we can perhaps figure out where the latency
>>> is
>>> originating for the NEXRAD2 tree.
>>>
>>
>> I just checked and you are way behind. Try the above, and then make sure
>> you have bandwidth...or at least no latency. Shut down the NEXRAD2
>> feed, and type:
>>
>> ldmping host.somewhere.com
>>
>> You should see very low ping times like:
>>
>> /home/ldm% ldmping idd.tamu.edu
>> Jul 30 22:03:15 INFO:      State    Elapsed Port   Remote_Host rpc_stat
>> Jul 30 22:03:15 INFO: Resolving idd.tamu.edu to 128.194.76.175 took
>> 0.001364 seconds
>> Jul 30 22:03:15 INFO: RESPONDING   0.074434  388   idd.tamu.edu
>>
>>
>> ****************************************************************
>> *******************
>> Gilbert Sebenste
>>  ********
>> (My opinions only!)
>>  ******
>> Staff Meteorologist, Northern Illinois University
>>  ****
>> E-mail: sebenste@xxxxxxxxxxxxxxxxxxxxx
>>  ***
>> web: http://weather.admin.niu.edu                                      **
>> Twitter: 
>> http://www.twitter.com/NIU_**Weather<http://www.twitter.com/NIU_Weather>     
>>                       **
>> Facebook: 
>> http://www.facebook.com/niu.**weather<http://www.facebook.com/niu.weather>   
>>                        *
>> ****************************************************************
>> *******************
>>
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>
>
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