The mailing list for listmasters using Sympa

["Stefan Hornburg (Racke)" <address@concealed>]

On 05/06/2023 22:11, Widerski, Betty wrote:
> Hi -
>
> I’m seeing perhaps inconsistent behavior when searching a large list’s 
> subscribers for all addresses in a subdomain. For example,
>
>                 - I have a list of 2000 subscribers
>
>                - about half (900) have the address form 
> “@class2023.college.edu”
>
>                 - I want to purge those, so Search “class2023”
>
>                 - I’m told how many it finds, but it doesn’t display them, 
> saying “Selection too wide, unable to display selection”
>
>                 - I do some smaller searches, like “d@class2023” - these 
> work, but only if the result is less than about 50, otherwise still 
> “Selection too wide”
>
>                 - I export the subscribers, use other methods to remove the 
> “class2023” addresses, and also some 950 “class2024” subscribers. I then 
> delete ALL 2000 subscribers in the list (500 at a time) and subscribe my 
> smaller set of remaining addresses - 150.
>
>                 - I do a search on the smaller subscriber list that results 
> in more than 50 selections (137) - this does NOT tell me “selection too wide”
>
> Please help me to understand what is limiting the search selection display - 
> is it that Sympa can’t search well in really large subscriber sets? Is there 
> a parameter I can change? I’d like to wipe graduated subscribers from lists 
> in which they aren’t the only subscribers.

Hello Betty,

it looks like that this value is hardcoded in wwsympa.fcgi:

 ## Maximum size of selection
    my $max_select = 50;

Regards
          Racke

> Thanks
>
> Betty
>
> Betty Widerski
>
> Cloud & Server Engineering – HBS Information Technology
>
> *HARVARD  BUSINESS  SCHOOL*
>
> Shad 108 N | address@concealed <mailto:address@concealed> | T: 617.495.6642

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