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Re: [grouper-dev] USDU delete subjects after unresolvable for X days

Chronological Thread 
  • From: "Gettes, Michael" <>
  • To: "Black, Carey M." <>
  • Cc: "" <>
  • Subject: Re: [grouper-dev] USDU delete subjects after unresolvable for X days
  • Date: Wed, 6 Feb 2019 20:15:25 +0000

USDU is supposed to remove the subject from all groups it is a member of as
part of it’s processing. So I think 2 is a non-issue. Different schedules
for different subject sources is certainly an interesting point and one I
hadn’t thought of. As I hope Chris would agree - you should definitely add
this to the wiki page so it gets taken into account.


> On Feb 6, 2019, at 12:59 PM, Black, Carey M. <> wrote:
> Michael,
> RE:
> While I understand the idea of this request, there might be some unintended
> consequences if other things are not considered.
> 1) some subject sources might need to be treated differently than others.
> Maybe different timelines (remove after N days),
> Maybe different logic based on that source. ( some sources may never
> need cleaned., or only yearly? )
> Some might expect to see lots of subject changes, others might expect
> very view. ( so a single "failsafe" might be high for some and low for
> others.)
> 2) if an USDU subject is still "provisioned" to some downstream system then
> there may be other problems caused by removing the Subject from the
> downstream system after the USDU scrubs the subject from grouper.
> Maybe there needs to be a step that identifies the unresolvable
> subject that triggers downstream provision/de-provision processes before
> the subject is removed.
> What are your thoughts along those lines?
> --
> Carey Matthew

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