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

WordPress Trac wp-trac at lists.automattic.com
Thu Sep 30 17:04:41 UTC 2010

#12734: Nav Menus don't scale for big sites
 Reporter:  ptahdunbar    |        Owner:  ptahdunbar
     Type:  defect (bug)  |       Status:  reopened  
 Priority:  high          |    Milestone:  3.0       
Component:  Menus         |      Version:  3.0       
 Severity:  blocker       |   Resolution:            
 Keywords:                |  
Changes (by radial):

 * cc: radial (added)
  * status:  closed => reopened
  * resolution:  fixed =>


 This is definitely not fixed.  We have a VPS with 1.98ghz processor and
 about 1.5gb of RAM.  Our nav menu contains about 150 items. When
 saving the menu, it may take a full minute just to save this.  CPU
 usage for the nav-menus.php process peaks out at about 85% for that
 minute.  If the user thinks somethings wrong and backs out or
 reloads, the saving stops and cuts off the menu items that have not been
 saved.  It's a PITA to have to recreate the menu, especially when
 it's not easy to find the pages because they aren't listed in any order,
 and the search for pages doesn't work.<br>

Ticket URL: <http://core.trac.wordpress.org/ticket/12734#comment:32>
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