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Re: 20010426: New LDM/IDD node

HI Adam, 

One more thing, when you do get your data, what is the latency of the
products? If near none, may not be a network issue, if pushing an hour, we
may have located the problem...

Thanks,

-Jeff
____________________________                  _____________________
Jeff Weber                                    address@hidden
Unidata Support                               PH:303-497-8676 
NWS-COMET Case Study Library                  FX:303-497-8690
University Corp for Atmospheric Research      3300 Mitchell Ln
http://www.unidata.ucar.edu/staff/jweber      Boulder,Co 80307-3000
________________________________________      ______________________

On Thu, 23 Aug 2001, Jeff Weber wrote:

> Hi Adam,
> 
> (jweber) laraine:/home/jweber 1 % ldmping -i5 -h sirocco.srcc.lsu.edu
> Aug 23 19:55:33      State    Elapsed Port   Remote_Host
> rpc_stat
> Aug 23 19:55:33 RESPONDING   0.127509  388   sirocco.srcc.lsu.edu  
> Aug 23 19:55:38 RESPONDING   0.036370  388   sirocco.srcc.lsu.edu  
> Aug 23 19:55:43 RESPONDING   0.035674  388   sirocco.srcc.lsu.edu  
> Aug 23 19:55:48 RESPONDING   0.035661  388   sirocco.srcc.lsu.edu  
> Aug 23 19:55:53 RESPONDING   0.035857  388   sirocco.srcc.lsu.edu  
> Aug 23 19:55:58 RESPONDING   0.035385  388   sirocco.srcc.lsu.edu  
> Aug 23 19:56:03 RESPONDING   0.035772  388   sirocco.srcc.lsu.edu  
> Aug 23 19:56:08 RESPONDING   0.035702  388   sirocco.srcc.lsu.edu  
> 
> 
> Hmmm, cannot replicate here. This lends me to believe it may have
> something to do with your ISP or network conditions. Perhaps it is getting
> "clogged" and therefore cannot resolve the ldmping packets.
> 
> The NNEXRAD issue may also be playing a part, we (LSU) may be feeding too
> many folks the NNEXRAD feed, so the machine may fall behind for awhile
> during these peak data periods...When this happens again, try doing a
> traceroute, I know these are small packets, but it may lend some
> additional info.. 
> 
> 
> There is no reason the LDM should just quit, and I am very surprised there
> is no log entry regarding the shutdown. Could you please snip the tail of
> your log and send to me, maybe I can see something in there that might
> give a clue as to what is going on.
> 
> I will contact LSU and see if any other downstream sites have mentioned
> difficulties, we have not heard from them here at Unidata..but that does
> not always mean all is well.
> 
> What are you requesting from LSU?
> 
> How is your request line configured?
> 
> I guess we still have some "tuning" left for your LDM..
> 
> 
> I am cc'ing Anne Wilson who helps develop the LDM code, she is away this
> week, but will be back monday and can lend insight then if we have not
> solved the problem by then.
> 
> Thank you,
> 
>  -Jeff
> ____________________________                  _____________________
> Jeff Weber                                    address@hidden
> Unidata Support                               PH:303-497-8676 
> NWS-COMET Case Study Library                  FX:303-497-8690
> University Corp for Atmospheric Research      3300 Mitchell Ln
> http://www.unidata.ucar.edu/staff/jweber      Boulder,Co 80307-3000
> ________________________________________      ______________________
> 
> On Thu, 23 Aug 2001, adam  taylor (994) wrote:
> 
> > I am the new contact.  address@hidden
> > 
> > I have an interesting problem on this end but I'm not sure who to direct
> > this to.  When i run:
> > 
> > ldmping -i5 -h sirocco.srcc.lsu.edu
> > 
> > I get:
> > 
> > (DATE)     State Elapsed  Port Remote_Host          rpc_stat
> > (THE DATE) NAMED 12.132903   0 sirocco.srcc.lsu.edu can't contact
> >                                                     portmapper: 
> >                                                     RPC: Timed out 
> > and i get that almost without fail every time.  Every once and a 
> > while i get it to say RESPONDING and a time of around 3 or so.
> > 
> > I have gotten numbers in the 30's before but for the most part, 12 or so
> > is the average.
> > 
> > Also, I have been watching LSU's feed for a while and there are 5 to ten
> > minute times where i get nothing but nexrad feed products and even then it
> > is real slow.
> > 
> > Also one more thing, the ldm server is just spontaniously quiting with no
> > error message of anykind.  I have noticed that it happens, or seems, then
> > when there is a really bad network lag it seems to quit.  I was watching
> > it today and just all of a sudden the feed stopped.  when i ran ldmadmin
> > isrunning it came back as no.  I have version 5.1.2 running on a dual P3
> > 933 with 1 GIG RAM running RedHat 7.0
> > 
> > Any throughts on this???
> > 
> > Thanks in advance
> > 
> > Adam
> > _________________________________________________________________________
> > 
> > On Thu, 23 Aug 2001, Jeff Weber wrote:
> > 
> > > Hey Adam, 
> > > 
> > > While I have you...
> > > 
> > > Is 
> > > 
> > > Chris Clarke
> > > 
> > > address@hidden
> > > 
> > > 318-342-1891
> > > 
> > > Still current contact info for UNL or should you  be the contact?
> > > 
> > > Thank you,
> > > 
> > > -Jeff
> > > ____________________________                  _____________________
> > > Jeff Weber                                    address@hidden
> > > Unidata Support                               PH:303-497-8676 
> > > NWS-COMET Case Study Library                  FX:303-497-8690
> > > University Corp for Atmospheric Research      3300 Mitchell Ln
> > > http://www.unidata.ucar.edu/staff/jweber      Boulder,Co 80307-3000
> > > ________________________________________      ______________________
> > > 
> > > On Thu, 23 Aug 2001, adam  taylor (994) wrote:
> > > 
> > > > Ok, the feed has decided to return to normal, we are finally getting the
> > > > HDS and WMO feeds too.  Thanks anyways.
> > > > 
> > > > Adam
> > > > 
> > > > 
> > > 
> > > 
> > 
> > 
> 
>