[wp-trac] [WordPress Trac] #36891: Saving large menus is super slow

[WordPress Trac]

#36891: Saving large menus is super slow
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 Reporter:  pento        |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Future Release
Component:  Menus        |     Version:
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:  administration, performance
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Comment (by dd32):

 > if a menu item hasn't changed, it doesn't need to be updated.

 If you chase it down the rabbit hole, it'll probably come to
 `wp_insert_post()` which runs regardless of if things have changed.
 Bailing early in the menu's code if nothing has changed will help greatly,
 bailing in the post update handlers if nothing has changed would also help
 in general.

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Ticket URL: <https://core.trac.wordpress.org/ticket/36891#comment:2>
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