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Opened 8 years ago

Last modified 3 years ago

#15170 closed defect (bug)

Network admin pages don't scale — at Initial Version

Reported by: ryan Owned by:
Milestone: 3.1 Priority: normal
Severity: normal Version: 3.1
Component: Multisite Keywords: ongoing-project
Focuses: Cc:


network/sites.php and network/users.php do queries like:

SELECT COUNT(wp_trunk_users.ID) FROM wp_trunk_users WHERE 1=1

SELECT COUNT( blog_id ) FROM wp_trunk_blogs WHERE site_id = '1'ORDER BY wp_trunk_blogs.blog_id ASC

These are very slow on large networks. get_blog_count() and get_user_count() would mitigate this somewhat, although they too can cause problem on large networks.

Perhaps users.php and sites.php should consult get_user_count() and get_blog_count() and not do a query if the count is over a certain threshold. The tables would default to being empty and a search would have to be performed to get results.

Further, a large network flag may be needed so that functions like get_blog_count() and get_user_count() can avoid ever running COUNT queries and instead rely on the network admin to perform counts and populate the count site options via a separate job.

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