[wp-trac] [WordPress Trac] #37189: In wp_term_query on cache ids

[WordPress Trac]

#37189: In wp_term_query on cache ids
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 Reporter:  spacedmonkey  |      Owner:
     Type:  enhancement   |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Taxonomy      |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:  performance   |
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 Currently when a wp_term_query is run with fields => 'all', an array of
 the entire WP_Term objects is stored in cache. This is a bad for a number
 of results. With popular object caching memcache has a limit of 1MB per
 object in cache. By storing the whole term object, you might have a
 descriptions on the object that long. This may mean the terms array is
 unable to be stored in memcache.

 Going forward we should only store the ids in cache, like the
 wp_site_query and wp_comment_query.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37189>
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