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20050708:NEXRAD2/CRAFT Latency
- Subject: 20050708:NEXRAD2/CRAFT Latency
- Date: Fri, 8 Jul 2005 14:26:53 -0600 (MDT)
Hi Guys,
I suspect we are referring to chinook.metoc.nrlmry.mil
If you go to:
http://my.unidata.ucar.edu/cgi-bin/rtstats/rtstats_sitebyfeed?NEXRAD2
and compare volumes and latencies with i.e. uni2.unidata.ucar.edu
You will see that we also experienced the latency of ~5000 seconds from a
couple of radars...I suspect the problem is at the regional HQ or the
radar itself..
Currently chinook looks pretty good for latencies on NEXRAD2, let's watch
and wait...SJSU is going off line for about 12 hours this weekend, do you
have a failover in place for NEXRAD2...?
If not, feel free to feed from:
idd.unidata.ucar.edu
during the outage.
Cheers,
Jeff
---------------------------------------------------------------------
Jeff Weber address@hidden :
Unidata Program Center PH:303-497-8676 :
University Corp for Atmospheric Research 3300 Mitchell Ln :
http://www.unidata.ucar.edu/staff/jweber Boulder,Co 80307-3000 :
---------------------------------------------------------------------
On Fri, 8 Jul 2005, Unidata Support wrote:
>
> ------- Forwarded Message
>
> >To: "Frost, Mr. Michael \(contractor\)" <address@hidden>
> >cc: address@hidden
> >From: Mike Voss <address@hidden>
> >Subject: Re: LDM --- CRAFT data
> >Organization: UCAR/Unidata
> >Keywords: 200507081852.j68IqCjo025919
>
>
> Hi Mike,
> The CRAFT data is coming in here fine at the moment:
> Jul 08 18:41:11 pqutil: 31226 20050708184109.653 NEXRAD2
> 522032 L2-BZIP2/KCYS/20050708183904/522/32
> Jul 08 18:41:11 pqutil: 11939 20050708184110.958 NEXRAD2
> 54060 L2-BZIP2/KBIS/20050708183727/54/60
> Jul 08 18:41:11 pqutil: 6232 20050708184111.029 NEXRAD2
> 449002 L2-BZIP2/KGRR/20050708184105/449/2
> Jul 08 18:41:11 pqutil: 38384 20050708184110.161 NEXRAD2
> 919007 L2-BZIP2/KSJT/20050708184040/919/7
> Jul 08 18:41:11 pqutil: 12306 20050708184110.566 NEXRAD2
> 454029 L2-BZIP2/KBRO/20050708183721/454/29
> Jul 08 18:41:11 pqutil: 6477 20050708184111.125 NEXRAD2
> 288003 L2-BZIP2/KRLX/20050708184030/288/3
> Jul 08 18:41:11 pqutil: 9366 20050708184110.965 NEXRAD2
> 117018 L2-BZIP2/KDGX/20050708184000/117/18
> Jul 08 18:41:11 pqutil: 15068 20050708184110.993 NEXRAD2
> 495030 L2-BZIP2/KHTX/20050708183710/495/30
>
> So, it appears the latency is somewhere between you and me. Below is a
> traceroute from rossby to 199.9.0.106 (not getting past
> cperouter.nrlmry.dren.net, probably not allowed) This is somewhat
> inconclusive. Maybe the folks at UNIDATA might have some insight into
> helping us track down the latency:
>
> 1 gateway-97 (130.65.97.254) 4.924 ms 4.653 ms 4.292 ms
> 2 x130-65-1-193.sjsu.edu (130.65.1.193) 1.459 ms 1.797 ms 1.169 ms
> 3 sjs-cc-112-m1r.sjsu.edu (130.65.1.18) 1.374 ms 1.790 ms 1.714 ms
> 4 130.65.11.253 (130.65.11.253) 2.413 ms 2.540 ms 2.415 ms
> 5 sjs-border-rtr.sjsu.edu (130.65.11.237) 2.927 ms * *
> 6 * * dc-svl-dc1--csusanjose-egm.cenic.net (137.164.40.73) 27.442 ms
> 7 * * *
> 8 * * *
> 9 * * *
> 10 dc-slo-dc1--sol-dc2-pos.cenic.net (137.164.22.26) 7.062 ms 7.460
> ms 7.301 ms
> 11 * dc-slo-dc2--dc1-df-iconn-2.cenic.net (137.164.22.125) 7.636 ms 6.848
> ms
> 12 dc-lax-dc1--slo-dc2-pos.cenic.net (137.164.22.24) 11.511 ms * *
> 13 dc-lax-hpr--lax-dc1-ge--1.cenic.net (137.164.22.53) 11.435 ms 11.482
> ms 11.530 ms
> 14 abilene-LA--hpr-lax-gsr1-10ge.cenic.net (137.164.25.3) 11.015
> ms 10.494 ms *
> 15 snvang-losang.abilene.ucaid.edu (198.32.8.95) 23.189 ms * *
> 16 198.32.153.25 (198.32.153.25) 21.742 ms 19.821 ms 21.578 ms
> 17 * * so3-0-0-0.nrlmry.dren.net (138.18.4.15) 24.487 ms
> 18 cperouter.nrlmry.dren.net (138.18.187.2) 25.187 ms 24.779 ms 27.389 ms
>
> cheers,
> -Mike
>
> PS, I assume you received my message about the CRAFT being down for 12
> hours over teh weekend.
>
>
> At 11:01 AM 7/8/2005, you wrote:
> >Hi Mike. I am noticing some latency on the CRAFT radar data that I am
> >receiving from rossby.
> >
> >Here are some results from notifyme:
> >
> >Jul 08 17:59:31 notifyme[17495]: 9969 20050708174354.038 NEXRAD2
> >860029 L2-BZIP2/KCAE/20050708173408/860/29/E
> >Jul 08 17:59:32 notifyme[17495]: 7884 20050708174355.339 NEXRAD2
> >729029 L2-BZIP2/KDAX/20050708173409/729/29/E
> >Jul 08 17:59:35 notifyme[17495]: 3886 20050708174358.644 NEXRAD2
> >793081 L2-BZIP2/KDOX/20050708173843/793/81/E
> >Jul 08 17:59:36 notifyme[17495]: 4983 20050708174358.788 NEXRAD2
> >910045 L2-BZIP2/KOHX/20050708173810/910/45/E
> >Jul 08 18:00:25 notifyme[17495]: 3739 20050708174411.778 NEXRAD2
> >507045 L2-BZIP2/KFCX/20050708173821/507/45/E
> >Jul 08 18:00:39 notifyme[17495]: 11775 20050708174415.102 NEXRAD2
> >644029 L2-BZIP2/KTLH/20050708173427/644/29/E
> >Jul 08 18:00:43 notifyme[17495]: 4545 20050708174420.072 NEXRAD2
> >240045 L2-BZIP2/KNQA/20050708173832/240/45/E
> >
> >Any idea on how to track this back further to see where the problem is?
> >
> >Thanks,
> >Michael Frost
> >Computer Sciences Corporation
> >Phone: 831-656-4723
> >Fax: 831-656-4769
> >Email: address@hidden
> >
>
> --------------------------
> Mike Voss
> Department of Meteorology
> San Jose State University
> One Washington Square
> San Jose, CA 95192-0104
>
> 408.924.5204 voice
> 408.924.5191 fax
>
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