Re: [ldm-users] queue size

• To: "Patrick L. Francis" <wxprofessor@xxxxxxxxx>
• Subject: Re: [ldm-users] queue size
• From: Steven Emmerson <emmerson@xxxxxxxx>
• Date: Sat, 2 Oct 2021 12:27:59 -0600

Hi Patrick,

On Sat, Oct 2, 2021 at 11:48 AM Patrick L. Francis <wxprofessor@xxxxxxxxx>
wrote:

> So if you run 180GB queues at ucar, you clearly have a reason for doing
> so.. could you expand on that logic please? :)
>

That size is what's necessary in order to hold at least the last hour's
worth of data. Here's a time-series plot of the age of the oldest product
in one of our queues from "ldmadmin plotmetrics -b 20210925":
[image: image.png]


> Surely supporting duplicate product detection would be one reason, and
> perhaps the ability to support downstream feeds if they need to rebuild
> their own queues during periods of unforseen downtime?
>

You've got it.

--Steve

• Follow-Ups:
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• References:
  • Re: [ldm-users] queue size
    • From: Patrick L. Francis
  • Re: [ldm-users] queue size
    • From: Gilbert Sebenste
  • Re: [ldm-users] queue size
    • From: Steven Emmerson
  • Re: [ldm-users] queue size
    • From: Patrick L. Francis