Re: [ldm-users] Question about duplicate product checking

• To: Matthew Foster - NOAA Federal <matthew.foster@xxxxxxxx>
• Subject: Re: [ldm-users] Question about duplicate product checking
• From: Steven Emmerson <emmerson@xxxxxxxx>
• Date: Thu, 5 Apr 2018 09:38:51 -0600

The functions in the product-queue component that are responsible for
inserting a data-product determine whether or not the product already
exists in the product-queue and reject the insertion if it does.

Regards,
Steve Emmerson

On Thu, Apr 5, 2018 at 9:25 AM, Matthew Foster - NOAA Federal <
matthew.foster@xxxxxxxx> wrote:

> I was trying to find the answer to this question in the online
> documentation, but I couldn't find it clearly stated.
>
> When, exactly, does duplicate checking occur? Does the downstream LDM
> receive the data product *then* do the duplicate check before inserting
> into the queue, OR does the upstream send the product's checksum and the
> accept/reject decision is made at that point (i.e. before the product is
> sent)? I've always assumed it was the latter, but now I'm not 100% sure.
>
> Thanks!
>
> Matt
>
>
> --
> Matt Foster, Science & Operations Officer
> NWS Operations Proving Ground
> 7220 NW 101st Terrace
> Kansas City, MO 64153
> Office: 816-994-3072
>
>
>
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• Follow-Ups:
  • Re: [ldm-users] Question about duplicate product checking
    • From: Steven Emmerson

• References:
  • [ldm-users] Question about duplicate product checking
    • From: Matthew Foster - NOAA Federal