[wp-trac] [WordPress Trac] #23059: if object cache entry for last_changed in term and comments groups is purged, it invalidase too many cached items

[WordPress Trac]

#23059: if object cache entry for last_changed in term and comments groups is
purged, it invalidase too many cached items
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 Reporter:  mark-k        |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  Cache         |     Version:  3.5
 Severity:  normal        |  Resolution:  wontfix
 Keywords:                |
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Changes (by ryan):

 * status:  new => closed
 * resolution:   => wontfix
 * milestone:  Awaiting Review =>


Comment:

 The terms last_changed invalidates only the get_terms() cache.

 The caching software handles eventual purging.

 We do this passive invalidation in several places. See #23173 for why.

 Caching this query but not last_changed or anything else is very edge.

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Ticket URL: <http://core.trac.wordpress.org/ticket/23059#comment:4>
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