[wp-trac] [WordPress Trac] #63284: _prime_post_caches is getting called unchunked

[WordPress Trac]

#63284: _prime_post_caches is getting called unchunked
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 Reporter:  ckeeney       |       Owner:  joemcgill
     Type:  defect (bug)  |      Status:  reviewing
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  6.7.2
 Severity:  major         |  Resolution:
 Keywords:                |     Focuses:
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Comment (by ckeeney):

 I did some more testing:

 1. I loaded up some test data with no persistent object cache plugin
 configured, cleared the (MySQL?) transients using the wp-cli, and
 refreshed the CPT index page.  I was not able to reproduce this error with
 this configuration.
 2. I installed and activated the SQLite Object Cache and repeated my test
 and was able to reproduce this error.  However, using the wp cli to clear
 the transients was insufficient for the SQLite cache.  I had to navigate
 to the plugin's settings and clear the from that page by checking the
 "Flush now".
 3. I am able to reproduce this using the default Page post type, which is
 expected because that post type has hierarchical and page-attributes by
 default.

 It seems the requirements for this are just:
 - any post type that has both hierarchical and page-attributes
 - using a persistent object cache

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Ticket URL: <https://core.trac.wordpress.org/ticket/63284#comment:11>
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