[wp-trac] [WordPress Trac] #38741: Introduce the concept of a large site in order to speed up the Users screen when there are many users

[WordPress Trac]

#38741: Introduce the concept of a large site in order to speed up the Users screen
when there are many users
-------------------------------------+-------------------------------------
 Reporter:  johnbillion              |       Owner:  spacedmonkey
     Type:  enhancement              |      Status:  closed
 Priority:  normal                   |   Milestone:  6.0
Component:  Users                    |     Version:
 Severity:  normal                   |  Resolution:  fixed
 Keywords:  early has-patch has-     |     Focuses:  administration,
  unit-tests commit                  |  multisite, performance
-------------------------------------+-------------------------------------
Changes (by spacedmonkey):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 In [changeset:"53011" 53011]:
 {{{
 #!CommitTicketReference repository="" revision="53011"
 Users: Introduce the concept of a large site to single site installations.

 Currently in WordPress multisite there is a concept of large networks. The
 function `wp_is_large_network` is used to determine if a network has a
 large number of sites or users. If a network is marked as large, then
 expensive queries to calculate user counts are not run on page load but
 deferred to scheduled events. However there are a number of places in a
 single site installation where this functionality would also be useful, as
 expensive calls to count users and roles can make screens in the admin
 extremely slow.

 In this change, the `get_user_count` function and related functionality
 around it is ported to be available in a single site context. This means
 that expensive calls to the `count_users` function are replaced with
 calls to `get_user_count`. This change also includes a new function called
 `wp_is_large_user_count` and a filter of the same name, to mark if a site
 is large.

 Props johnbillion, Spacedmonkey, Mista-Flo, lumpysimon, tharsheblows,
 obenland, miss_jwo, jrchamp, flixos90, macbookandrew, pento, desrosj,
 johnjamesjacoby, jb510, davidbaumwald, costdev.
 Fixes #38741.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/38741#comment:80>
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