[wp-trac] [WordPress Trac] #36906: Comment caches should be persistent

[WordPress Trac]

#36906: Comment caches should be persistent
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 Reporter:  boonebgorges                  |       Owner:
     Type:  defect (bug)                  |      Status:  new
 Priority:  normal                        |   Milestone:  4.6
Component:  Comments                      |     Version:  2.2
 Severity:  normal                        |  Resolution:
 Keywords:  needs-patch needs-unit-tests  |     Focuses:  performance
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Comment (by ryan):

 >  It's likely that there are many places where we don't bother
 invalidating because the cache only lasts for the page load.

 Exactly. Back when, the comment (and counts) groups didn't have the
 invalidation needed to allow them to persist beyond a page load. We made
 do with using non-persistent cache to reduce duplicate queries. I don't
 recall exactly what invalidation what was missing. Lots of changes (with
 which I'm out of touch) have happened since, so maybe this is ready to
 become persistent.

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Ticket URL: <https://core.trac.wordpress.org/ticket/36906#comment:11>
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