On 4/29/07 5:04 PM, "Steve Emmerson" <steve@xxxxxxxxxxxxxxxx> wrote:
> Gilbert,
>
>> Since I send out emails with tornado warnings and such, if I had
>> NOAAport and EMWIN turned on, I bet I'd get duplicate emails sent out.
>> Different LDM generated numbers (albeit same time stamp on the WMO
>> header). Otherwise, I'd do it.
>
> If the products are first passed through an LDM system, then you
> shouldn't see duplicate emails because the LDM product-queue will not
> allow a data-product that has the same MD5 signature as a data-product
> that is already in the product-queue to be inserted into the queue.
> Of course, this requires that the data-products have the same MD5
> signature and different LDM ingesters don't always compute the MD5
> signature the same way.
>
Another option would be to parse the product before it gets ingested. For
every product that goes through, dump the VTEC to a file. If the VTEC
number matches an already issued one, don't ingest. If there's no match,
then send it on its way.
Thanks,
BC
--
Ben Cotton, KC9FYX
Unix System Administrator
Department of Earth and
Atmospheric Sciences
Purdue University
http://www.purdue.edu/eas/resources/it
CIVL 4212
O: 765 49-61546
C: 765 404-7986
