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Re: Fwd: Re: [conduit] Slow connection/big lag from conduit.ncep.noaa.gov

Sounds good. I'm glad its working again. Please let me know if it happens again 
and I will review in real time. 

---
Kyle Nevins
NCWCP_HELPDESK

On Thu, 02 Apr 2015 16:50:12 -0400, Pete Pokrandt <address@hidden> wrote:
> I was alerted to it on Sunday evening (March 29) and apparently it had 
> been happening for a few days already.
> 
> Oddly enough, I have switched back over to feeding from 
> conduit.ncep.noaa.gov and my latencies are back down under 60 seconds or 
> so. I thought you did something, restarted the ldm on 
> conduit.ncep.noaa.gov or something, but it appears whatever was going on 
> has been resolved.
> 
> I'll let you know if it happens again.
> 
> Pete
> 
> 
> On 04/02/2015 03:43 PM, address@hidden wrote:
> > Pete,
> >
> > Thanks for the information, I am still looking into this, have not yet 
> > found the root cause of the latency increase. You said it started on Monday 
> > or before that?
> >
> > ---
> > Kyle Nevins
> > NCWCP_HELPDESK
> >
> > On Wed, 01 Apr 2015 16:28:22 -0400, Pete Pokrandt <address@hidden> wrote:
> >> Kyle,
> >>
> >> I had changed to feed conduit from idd.unidata.ucar.edu for a while, as
> >> a result of the slow connection to conduit.ncep.noaa.gov. Just earlier
> >> this afternoon I changed back. I currently have this in my ldmd.conf on
> >> idd.aos.wisc.edu:
> >>
> >> REQUEST CONDUIT "[05]$" ncepldm4.woc.noaa.gov
> >> REQUEST CONDUIT "[16]$" ncepldm4.woc.noaa.gov
> >> REQUEST CONDUIT "[27]$" ncepldm4.woc.noaa.gov
> >> REQUEST CONDUIT "[38]$" ncepldm4.woc.noaa.gov
> >> REQUEST CONDUIT "[49]$" ncepldm4.woc.noaa.gov
> >> REQUEST CONDUIT "[05]$" conduit.ncep.noaa.gov
> >> REQUEST CONDUIT "[16]$" conduit.ncep.noaa.gov
> >> REQUEST CONDUIT "[27]$" conduit.ncep.noaa.gov
> >> REQUEST CONDUIT "[38]$" conduit.ncep.noaa.gov
> >> REQUEST CONDUIT "[49]$" conduit.ncep.noaa.gov
> >>
> >> Pete
> >>
> >>
> >>
> >> On 04/01/2015 03:24 PM, address@hidden wrote:
> >>> Hi Pete,
> >>>
> >>> So it looks like you are only going to one of our conduit servers and I'm 
> >>> trying to determine if that is our load balancer or not. Can you confirm 
> >>> that your LDM feed goes to conduit.ncep.noaa.gov (140.90.101.42)? Thanks.
> >>>
> >>> ---
> >>> Kyle Nevins
> >>> NCWCP_HELPDESK
> >>>
> >>> On Tue, 31 Mar 2015 12:05:18 -0400, Pete Pokrandt <address@hidden> wrote:
> >>>> Per the below response, I am submitting a ticket to the NCWCP Help
> >>>> desk.  See my description of the slow connection between
> >>>> conduit.ncep.noaa.gov and idd.aos.wisc.edu below.
> >>>>
> >>>> Thanks,
> >>>> Pete
> >>>>
> >>>>
> >>>>
> >>>> -------- Forwarded Message --------
> >>>> Subject:         Re: [conduit] Slow connection/big lag from 
> >>>> conduit.ncep.noaa.gov
> >>>> Date:    Tue, 31 Mar 2015 10:56:11 -0400
> >>>> From:    Justin Cooke - NOAA Federal <address@hidden>
> >>>> To:      Pete Pokrandt <address@hidden>, NCWCP helpdesk - NOAA Service
> >>>> Account <address@hidden>
> >>>> CC:      address@hidden <address@hidden>
> >>>>
> >>>>
> >>>>
> >>>> Pete,
> >>>>
> >>>> Please submit a ticket to the NCWCP Helpdesk (address@hidden
> >>>> <mailto:address@hidden>), someone on our system administration
> >>>> team will look into why you're seeing degraded performance from
> >>>> conduit.ncep.noaa.gov <http://conduit.ncep.noaa.gov>
> >>>>
> >>>> Justin Cooke
> >>>> NCEP Central Operations
> >>>>
> >>>> On Tue, Mar 31, 2015 at 10:45 AM, Pete Pokrandt <address@hidden
> >>>> <mailto:address@hidden>> wrote:
> >>>>
> >>>>       The past few days my connection for conduit data feeding from
> >>>>       conduit.ncep.noaa.gov <http://conduit.ncep.noaa.gov> (to
> >>>>       idd.aos.wisc.edu <http://idd.aos.wisc.edu>) has become slower,
> >>>>       resulting in large lag times and lost data.
> >>>>
> >>>>       The attached gif shows my lag over the past few days. There are no
> >>>>       time stamps on the image, unfortunately, but the large peaks are
> >>>>       from each 6 hrly GFS/ensemble suite. The right side of the graph is
> >>>>       now (14:30 UTC Tuesday, March 31) and the left side is ~00 UTC 
> >>>> March 29.
> >>>>
> >>>>       During the open peaks on the left side of the graph, I was feeding
> >>>>       from conduit.ncep.noaa.gov <http://conduit.ncep.noaa.gov> and
> >>>>       ncepldm4.woc.noaa.gov <http://ncepldm4.woc.noaa.gov>.
> >>>>
> >>>>       About half-way across the graph, where the peaks begin to be filled
> >>>>       in and the green line starts, I added idd.unidata.ucar.edu
> >>>>       <http://idd.unidata.ucar.edu> to the mix. Lags were still large.
> >>>>
> >>>>       Prior to the 00 UTC run last night (the first of the two lower blue
> >>>>       peaks on the right hand side) I removed conduit.ncep.noaa.gov
> >>>>       <http://conduit.ncep.noaa.gov> form my requests, so I am only
> >>>>       requesting from idd.unidata.ucar.edu <http://idd.unidata.ucar.edu>
> >>>>       and ncepldm4.woc.noaa.gov <http://ncepldm4.woc.noaa.gov>.
> >>>>
> >>>>       My perception from this sequence of events is that my connectivity
> >>>>       to conduit.ncep.noaa.gov <http://conduit.ncep.noaa.gov> has
> >>>>       degraded. This seems to have begun within the last week or so, I
> >>>>       didn't have the large lags before.
> >>>>
> >>>>       Any ideas?
> >>>>
> >>>>       What are the root conduit servers that I should be feeding from? I
> >>>>       currently have
> >>>>
> >>>>       conduit.ncep.noaa.gov <http://conduit.ncep.noaa.gov>
> >>>>       and
> >>>>       ncepldm4.woc.noaa.gov <http://ncepldm4.woc.noaa.gov>
> >>>>
> >>>>       Thanks,
> >>>>       Pete
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>       --
> >>>>       Pete Pokrandt - Systems Programmer
> >>>>       UW-Madison Dept of Atmospheric and Oceanic Sciences
> >>>>       608-262-3086 <tel:608-262-3086> - address@hidden
> >>>>       <mailto:address@hidden>
> >>>>
> >>>>
> >>>>       _______________________________________________
> >>>>       conduit mailing list
> >>>>       address@hidden <mailto:address@hidden>
> >>>>       For list information or to unsubscribe, visit:
> >>>>       http://www.unidata.ucar.edu/mailing_lists/
> >>>>
> >>>>
> >>>>
> >>>> -- 
> >>>> Pete Pokrandt - Systems Programmer
> >>>> UW-Madison Dept of Atmospheric and Oceanic Sciences
> >>>> 608-262-3086  - address@hidden
> >>
> >> -- 
> >> Pete Pokrandt - Systems Programmer
> >> UW-Madison Dept of Atmospheric and Oceanic Sciences
> >> 608-262-3086  - address@hidden
> 
> 
> -- 
> Pete Pokrandt - Systems Programmer
> UW-Madison Dept of Atmospheric and Oceanic Sciences
> 608-262-3086  - address@hidden