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RE: NNEXRAD Latencies?
- Subject: RE: NNEXRAD Latencies?
- Date: Thu, 6 Dec 2001 13:07:23 -0700 (MST)
Hi David,
Anxious to hear how the data flow goes after the transition to sunshine..
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, 6 Dec 2001, David Wojtowicz wrote:
>
> Actually, all I need is NNEXRAD|FNEXRAD for flood.atmos.uiuc.edu as I get
> UNIDATA and DIFAX from motherlode on squall.atmos.uiuc.edu.
>
> -----Original Message-----
> From: Jeff Weber [mailto:address@hidden]
> Sent: Thursday, December 06, 2001 10:25 AM
> To: David Wojtowicz; address@hidden; Steve Chiswell
> Cc: address@hidden
> Subject: RE: NNEXRAD Latencies?
>
>
> HI David and Jerry,
>
> Indeed, the traceroute to sunshine appears much better, and since we STILL
> have not heard back from Bob at LSU, let's attempt sunshine.
>
>
> Jerry,
>
> Can we place an allow UNIDATA|NNEXRAD|NMC3|DIFAX|FSL2
>
> for flood.atmos.uiuc.edu
>
> David, have I asked for all the feeds you desire?
>
> Flood had been feeding from wunderground, but we are experiencing
> latencies on that route so I hope you can accomodate this request.
>
> Please cc me on any future correspondence so I can maintain accurate
> records here.
>
> 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 Wed, 5 Dec 2001, David Wojtowicz wrote:
>
> >
> > The different connection to wunderground seemed to help a bit at times,
> but
> > is generally still way behind. If there's a choice between using
> sunshine
> > or sirocco, I suggest from the traceroutes below that sunshine is a better
> > choice for us if possible. SSEC is practically next door, network wise.
> >
> > flood 532: /usr/sbin/traceroute sunshine.ssec.wisc.edu
> > traceroute to sunshine.ssec.wisc.edu (128.104.108.55), 30 hops max, 38
> byte
> > packet
> > s
> > 1 uiuc-atmsci-net.gw.uiuc.edu (128.174.80.8) 0.555 ms 0.627 ms 0.596
> ms
> > 2 t-core1-1.gw.uiuc.edu (128.174.1.170) 2.098 ms 1.103 ms 1.094 ms
> > 3 t-node1-1.gw.uiuc.edu (128.174.1.130) 0.828 ms 0.294 ms 0.305 ms
> > 4 dmz.gw.uiuc.edu (128.174.0.193) 2.841 ms 2.158 ms 1.480 ms
> > 5 206.220.243.35 (206.220.243.35) 9.125 ms 8.935 ms 9.255 ms
> > 6 144.92.128.206 (144.92.128.206) 17.828 ms 18.712 ms 10.396 ms
> > 7 sunshine.ssec.wisc.edu (128.104.108.55) 12.775 ms * 10.879 ms
> >
> >
> > flood 533: /usr/sbin/traceroute sirocco.srcc.lsu.edu
> > traceroute to sirocco.srcc.lsu.edu (130.39.188.220), 30 hops max, 38 byte
> > packets
> > 1 uiuc-atmsci-net.gw.uiuc.edu (128.174.80.8) 0.782 ms 0.568 ms 0.614
> ms
> > 2 t-core1-1.gw.uiuc.edu (128.174.1.170) 1.857 ms 1.104 ms 1.052 ms
> > 3 t-node1-1.gw.uiuc.edu (128.174.1.130) 0.864 ms 1.003 ms 0.276 ms
> > 4 dmz.gw.uiuc.edu (128.174.0.193) 1.491 ms 1.943 ms 1.114 ms
> > 5 ncsa-uiuc.gw.uiuc.edu (192.17.8.33) 1.678 ms 1.527 ms 1.876 ms
> > 6 ipls-ncsa.abilene.iu.edu (141.142.11.246) 4.877 ms 4.954 ms 14.912
> ms
> > 7 kscy-ipls.abilene.ucaid.edu (198.32.8.5) 16.392 ms 13.827 ms 23.105
> > ms
> > 8 hstn-kscy.abilene.ucaid.edu (198.32.8.61) 30.153 ms 43.523 ms
> 30.697
> > ms
> > 9 labtr-abilene-hou.155-mb.lagpop.La.Net (162.75.0.5) 54.024 ms 35.850
> > ms 36.
> > 561 ms
> > 10 lsubr-labtr.155-mb.lagpop.La.Net (162.75.0.10) 37.874 ms 38.175 ms
> > 48.445 m
> > s
> > 11 dbyd-4006-l3-1.g1.lsu.edu (130.39.1.6) 40.419 ms 38.100 ms 37.086
> ms
> > 12 sirocco.srcc.lsu.edu (130.39.188.220) 38.176 ms 38.247 ms 37.068 ms
> >
> >
> > -----Original Message-----
> > From: Jeff Weber [mailto:address@hidden]
> > Sent: Wednesday, December 05, 2001 12:13 PM
> > To: Jeff Masters; David Wojtowicz
> > Cc: ldm-support
> > Subject: RE: NNEXRAD Latencies?
> >
> >
> > HI Jeff and David,
> >
> > This network may provide greater bandwidth, I suppose it is worth a try,
> > especially until we hear back from LSU. Jeff, we may try feeding flood
> > from sirocco at LSU to help eliminate some of the potential problem
> > areas..i.e. network traffic. David, if you have the time, we may want to
> > investigate this other network, and feed machine from wunderground..as we
> > wait to hear back from Bob at LSU..
> >
> > Thanks for your timely responses, it makes this work ALOT easier.
> >
> > -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 Wed, 5 Dec 2001, Jeff Masters wrote:
> >
> > >
> > > David, try feeding from whirlpool.wunderground.com and see if you get
> > > better results. That machine is on a different network, perhaps you will
> > > get better results, although traceroute shows similar results to the one
> > > from frost.wunderground.com:
> > >
> > > traceroute to flood.atmos.uiuc.edu (128.174.80.47), 30 hops max, 40 byte
> > > packets
> > > 1 66.28.69.129 (66.28.69.129) 1.01 ms 0.562 ms 0.495 ms
> > > 2 g0-2.core01.sjc01.atlas.cogentco.com (66.28.5.185) 0.564 ms 0.342
> ms
> > > 0.328 ms
> > > 3 p4-0.core01.sfo01.atlas.cogentco.com (66.28.4.93) 1.598 ms 1.685
> ms
> > > 1.557 ms
> > > 4 p15-0.core02.sfo01.atlas.cogentco.com (66.28.4.42) 1.609 ms 2.615
> ms
> > > 1.651 ms
> > > 5 p15-0.core01.den01.atlas.cogentco.com (66.28.4.129) 25.718 ms
> 25.243
> > > ms 25.488 ms
> > > 6 p5-0.core01.mci01.atlas.cogentco.com (66.28.4.30) 37.233 ms 36.136
> > > ms 40.066 ms
> > > 7 p13-0.core01.ord01.atlas.cogentco.com (66.28.4.34) 47.515 ms
> 48.303
> > > ms 48.685 ms
> > > 8 atm-0-0-0.nap.lincon.net (206.220.243.106) 48.012 ms 48.928 ms
> > > 48.052 ms
> > > 9 206.166.8.90 (206.166.8.90) 69.972 ms 68.572 ms 59.224 ms
> > > 10 uiuc-atmdmz-net.gw.uiuc.edu (192.17.8.32) 54.154 ms 53.542 ms
> > > 54.219 ms
> > > 11 t-core1-1.gw.uiuc.edu (128.174.0.196) 53.584 ms 52.684 ms 62.415
> ms
> > > 12 t-core1-1.gw.uiuc.edu (128.174.1.129) 53.611 ms 54.509 ms 56.44
> ms
> > > 13 t-terra.gw.uiuc.edu (128.174.1.169) 54.753 ms 55.136 ms 55.432 ms
> > > 14 flood.atmos.uiuc.edu (128.174.80.47) 63.146 ms 56.074 ms 53.862
> ms
> > >
> > > Jeff
> >
> > --------------------------------------------------------------------------
> > ----
> > > Dr. Jeff Masters (address@hidden)
> > ( )
> > > Chief Meteorologist /\ Home of the
> > ( )
> > > The Weather Underground, Inc. /\ / \ /\ /\
> > ( )
> > > 300 N Fifth Ave #240 / \/ \/ \ /\ /
> > ------
> > > Ann Arbor, MI 48104 ______/ / \/ \_
> > \\\\\
> > > 734-994-8824 (voice) Weather Underground
> > \`\`\
> > > 734-994-8919 (fax) http://www.wunderground.com
> > >
> > >
> > > On Wed, 5 Dec 2001, Jeff Weber wrote:
> > >
> > > > Hello Ldm'ers,
> > > >
> > > > It does appear that both frost and ingestor at wunderground are on
> time.
> > > >
> > > > The delay seems to be occurring at flood.atmos.uiuc.edu
> > > >
> > > > Doing a notifyme to flood indicates that it is being overwhelmed by
> the
> > > > NMC2 (CONDUIT) feed, causing delay for other products.
> > > >
> > > > Those of you feeding NNEXRAD from flood, or feeding other products
> and
> > > > experiencing latencies, please let me know and we will attempt other
> > > > sites if you desire.
> > > >
> > > > We are working on this issue and will keep the list aware of any
> > changes.
> > > >
> > > > 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 Wed, 5 Dec 2001, David Wojtowicz wrote:
> > > >
> > > > > Flood.atmos.uiuc.edu does indeed feed NNEXRAD from wunderground.com
> > and we
> > > > > are receiving it delayed from them. Steve Chizwell mentioned this
> to
> > me the
> > > > > other day and said he was checking into it.
> > > > >
> > > > > --david wojtowicz
> > > > >
> > > > > -----Original Message-----
> > > > > From: address@hidden
> > > > > [mailto:address@hidden]On Behalf Of Kevin R. Tyle
> > > > > Sent: Wednesday, December 05, 2001 10:53 AM
> > > > > To: Eric Nelson
> > > > > Cc: LDM Users List; address@hidden
> > > > > Subject: Re: NNEXRAD Latencies?
> > > > >
> > > > >
> > > > > Hi Eric,
> > > > >
> > > > > Like you, we feed from flood, and yes, we see the same latencies.
> > > > > Top-level feed site looks to be ingestor.wunderground.com. Last
> night
> > > > > our stats file indicated latencies near 1 hour for HDS feeds
> emanating
> > > > > from wunderground as well as NNEXRAD. The HDS latency was
> transient,
> > > > > but NNEXRAD is still slow as of this time.
> > > > >
> > > > >
> ______________________________________________________________________
> > > > > Kevin Tyle, Systems Administrator
> **********************
> > > > > Dept. of Earth & Atmospheric Sciences
> address@hidden
> > > > > University at Albany, ES-235 518-442-4571 (voice)
> > > > > 1400 Washington Avenue 518-442-5825 (fax)
> > > > > Albany, NY 12222
> **********************
> > > > >
> ______________________________________________________________________
> > > > >
> > > > > On Wed, 5 Dec 2001, Eric Nelson wrote:
> > > > >
> > > > > >
> > > > > > We're feeding NNEXRAD and FNEXRAD from flood.atmos.uiuc.edu and
> > seeing
> > > > > > latencies of roughly an hour. Is anyone else experience data lag
> > for
> > > > > > these feeds?
> > > > > >
> > > > > > -Eric
> > > > > >
> > _______________________________________________________________________
> > > > > > Eric Nelson College of Dupage Meteorology
> > Dept.
> > > > > > NWP WXP Graphics/Forecaster http://weather.cod.edu/
> > > > > > Lab:(630) 942-2590 address@hidden
> > > > > >
> > > > > > "I love deadlines. I especially like the whooshing sound they
> make
> > as
> > > > > > they go flying by." --Douglas Adams
> > > > > >
> > _______________________________________________________________________
> > > > > >
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