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RE: [grouper-users] Grouper 1.6.1 UI membership list sorting

Chronological Thread 
  • From: Chris Hyzer <>
  • To: Peter DiCamillo <>
  • Cc: "" <>
  • Subject: RE: [grouper-users] Grouper 1.6.1 UI membership list sorting
  • Date: Sun, 3 Oct 2010 23:20:56 -0400
  • Accept-language: en-US
  • Acceptlanguage: en-US

If you want to find if one specific person is in the group, you can go to the
membership lite screen and filter on the person. However, I believe this
only works for immediate members at the moment... fyi


-----Original Message-----
From: Peter DiCamillo

Sent: Sunday, October 03, 2010 2:41 AM
To: Chris Hyzer

Subject: Re: [grouper-users] Grouper 1.6.1 UI membership list sorting

I realize it doesn't scale, but that seems to be the purpose for
comparator.sort.limit. I'd expect that if sorting is slowing things
down too much I could lower the limit.

Sometimes I view the membership just to make sure it looks reasonable,
without caring about the names of the individual people. But I think
trying to determine if one or some specific set of members are in the
list is common. Also, it's not always obvious that the list is not
sorted, which can be very confusing I've seen cases where the names on
the first page appeared to be sorted, but there were a few more names on
the second page that would have sorted between names on the first page.

I don't have a workaround for 1.6. This didn't happen in for us in 1.3,
and for 1.3 our person source was a database instead of LDAP. It looks
like the solution we had for 1.3 was to include "order by" in the SQL
defined for searches.


Chris Hyzer wrote:
> I can reproduce that. The problem is that subject data is stored
> externally to Grouper (in sources), so if there are 50000 subjects in a
> group, that is 50000 subject lookups (assuming none in cache), which
> doesn't scale. Granted if you had 356 with 250 on a page, that should
> sort. :) What use case do you have? Trying to see if someone is in a
> group? Just curious, what is the workaround? Anyways, Im sure Gary will
> weigh in here as well...
> Thanks,
> Chris
> -----Original Message-----
> From:
> [mailto:]
> On Behalf Of Peter DiCamillo
> Sent: Saturday, October 02, 2010 11:14 PM
> To:
> Subject: [grouper-users] Grouper 1.6.1 UI membership list sorting
> I'm having a problem where membership lists I view in the full Grouper
> UI are not sorted as I would expect. When the size of the membership
> list does not exceed the page size the list is sorted. But when more
> than one page is needed, the list on each page is not sorted. The value
> of comparator.sort.limit in is 50000, larger than the
> size of any of our groups, because even if it's slow, we always want
> sorted lists.
> For example, I viewed a list with 2 direct members and 356 indirect
> members. When I viewed the indirect members or all members with a page
> size of 500 the list was sorted. But with a page size of 250 the lists
> on the pages were not sorted.
> I didn't install Grouper 1.3, but we may have had a local fix for this.
> But in any case, it appears that since 1.3 the code that for handling
> pages and sorting has changed
> Peter

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