[wp-trac] [WordPress Trac] #12734: Nav Menus don't scale for big sites

WordPress Trac wp-trac at lists.automattic.com
Sat Mar 27 23:21:03 UTC 2010


#12734: Nav Menus don't scale for big sites
--------------------------+-------------------------------------------------
 Reporter:  ptahdunbar    |       Owner:  ptahdunbar
     Type:  defect (bug)  |      Status:  accepted  
 Priority:  high          |   Milestone:  3.0       
Component:  Menus         |     Version:  3.0       
 Severity:  blocker       |    Keywords:            
--------------------------+-------------------------------------------------

Comment(by ptahdunbar):

 The primary bottleneck is on the menus page loading all the objects (post,
 pages, media, cats, tags, etc.) from the db and looping through them which
 is super memory intensive.

 I discussed this with ryan and he came up with the idea to limit them by
 15 (excluding pages, so that all pages are retrieved). Links aren't a
 bottleneck (yet) as it's new to WordPress so they also won't be limited.
 And I'll make sure categories aren't limited too.

 FYI: There will be a filter to remove that limit for the other objects.

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Ticket URL: <http://core.trac.wordpress.org/ticket/12734#comment:3>
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