[wp-trac] [WordPress Trac] #37006: Extremely poor customizer performance

WordPress Trac noreply at wordpress.org
Thu Jun 2 19:52:55 UTC 2016


#37006: Extremely poor customizer performance
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 Reporter:  jessecurry    |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Customize     |    Version:  4.5.2
 Severity:  normal        |   Keywords:
  Focuses:                |
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 We've got a multisite install that uses the Layers theme and we're seeing
 extremely poor performance when accessing the customizer (80+ seconds).

 We've carried out all of the optimization that the Layers team suggested,
 but the customizer is still loading massive amounts of data when we try to
 access it. It's gotten so bad that our server often kills the request. I
 pulled the big chunk of generated Javascript out of the page and it
 appears the bulk of it is in the "controls" section.

 We managed to pull a few transaction traces with NewRelic.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37006>
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