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Re: CONDUIT Migration



Pete,

I got David's vacation message that he was out as well.

The first week of August will be fine.
In the mean time, I'll update the web pages, as well
as the GEMPAK pqact actions in the 5.9.3 distribution
and send out a notice to the conduit mail list.

Thanks,

Chiz


On Fri, 2006-07-21 at 12:43, Pete Pokrandt wrote:
> Steve,
> 
> I am leaving for vacation tomorrow morning, can this wait until
> the first week of August when I'm back?
> 
> Side note, we'll be in the Boulder area next Wed/Thur, maybe
> my family and I will swing by Unidata and say hi to everyone..
> 
> Pete
> 
> In a previous message to me, you wrote: 
> 
>  >
>  >--=-LakfCynbWmlZZiWYydUo
>  >Content-Type: text/plain; charset=ISO8859-1
>  >Content-Transfer-Encoding: 7bit
>  >
>  >
>  >Pete and David,
>  >
>  >We would like to add data to the CONDUIT data stream. Following feedback
>  >from the message below, users are not ready at this time to have the 1
>  >degree GFS go away, so at this time, we are looking at a bandwidth
>  >increase for the 0.5 degree GFS, and RUC2 hourly grids.
>  >
>  >One item related to GEMPAK that Pete had mentioned was the amount of
>  >CPU required to decode GRIB2. I have modified the GEMPAK dcgrib2 decoder
>  >for 5.9.3 to eliminate the unpacking and repacking of these grids using
>  >existing GRIB1 bit packing, so now it is just about the same as using
>  >FILE.
>  >
>  >As you are both directly affected by any increase in bandwith for
>  >CONDUIT, I would like to make sure this is within your capability.
>  >We are duplicating all data products at the moment for a peak of 4GB of
>  >data per hour. In order to transition the products, we would phase in
>  >the new names over a period of days/weeks so that you would not have to
>  >relay duplicate data, but you do have the capability to receive that
>  >data now. 
>  >
>  >The NCEP LDM server for the new CONDUIT stream of products is
>  >ncepldm.woc.noaa.gov. You should be configured to connect to that name
>  >now. This is a front end to 2 machines named ldm1.woc.noaa.gov and
>  >ldm2.woc.noaa.gov. Eventual plans are for NCEP to have 6 machines that
>  >the virtual name ncepldm.woc.noaa.gov can access (adding 2 each at the
>  >Southern Region office in Fort Worth and at NOAAs' Boulder location). 
>  >
>  >I will be updating the documentation of request lines and pqact actions
>  >for the NCEP file names. If you have any questions, please let me know.
>  >
>  >Steve Chiswell
>  >Unidata User SUpport
>  >
>  > 
>  >
>  >
>  >--=-LakfCynbWmlZZiWYydUo
>  >Content-Disposition: inline
>  >Content-Description: Forwarded message - CONDUIT testing
>  >Content-Type: message/rfc822
>  >
>  >Subject: CONDUIT testing
>  >From: Steve Chiswell <address@hidden>
>  >Reply-To: address@hidden
>  >To: address@hidden, address@hidden
>  >Cc: address@hidden
>  >Content-Type: text/plain; charset=ISO8859-1
>  >Content-Transfer-Encoding: 7bit
>  >Organization: Unidata
>  >Message-Id: <address@hidden>
>  >Mime-Version: 1.0
>  >X-Mailer: Ximian Evolution 1.2.0 
>  >Date: 03 May 2006 10:19:12 -0600
>  >
>  >Pete and David,
>  >
>  >We're exploring options at NCEP to add products to the CONDUIT
>  >data stream. Would you mind verifying that you are able to
>  >connect to the host ldm2.woc.noaa.gov either with ldmping
>  >or notifyme from f5 and flood?
>  >
>  >This host resides at the NOAA operatins center and directly accesses
>  >NCEP's new servers, so the products (currently GFS only) being inserted
>  >into the queue have NCEP file names rather than the NWS FTP file names
>  >that the current CONDUIT products have, so please don't open
>  >a feed request yet that would let these duplicate but MD5 unique
>  >products escape to downstream sites. The host at WOC isn't a permanent
>  >machine yet, so may go up and down. If/when there are new products, we
>  >can use the OK/NOT features of the ldmd.conf ALLOW entries to
>  >enable you to get products if you wish without passing them on to an
>  >unexpecting downstream site.
>  >
>  >Please let me know if you have problems connecting.
>  >
>  >Thanks,
>  >
>  >Chiz
>  >
>  >--=-LakfCynbWmlZZiWYydUo--
> 
> 
> --
> +>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>+<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<+
> ^ Pete Pokrandt                    V 1447  AOSS Bldg  1225 W Dayton St^
> ^ Systems Programmer               V Madison,         WI     53706    ^
> ^                                  V      address@hidden       ^
> ^ Dept of Atmos & Oceanic Sciences V (608) 262-3086 (Phone/voicemail) ^
> ^ University of Wisconsin-Madison  V       262-0166 (Fax)             ^
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