[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 joemcgill):

 @ckeeney I've followed the steps you've outlined with a few noted
 exceptions and am not able to reproduce this currently with a regular Core
 set up.

 1. I've started up a fresh site, using `@wordpress/env` running WP 6.8.
 2. I've installed Query Monitor and Redis Object Cache (Note: Redis is not
 enabled in the environment)
 3. I've activated the Twenty Seventeen theme on the site.
 4. I've registered a custom post type that is hierarchical and supports
 'page-attributes'. (Note: I've registered this post type in a custom mu-
 plugin rathe than via ACF.)
 5. I've generated 1000 posts for that post type via CLI
 6. When visiting the list table for the post type, `_prime_post_caches()`
 is only being called with 20 IDs (the number being displayed in the list
 table).


 Two main differences I see:

 1. I'm not using ACF to register the post type. @ckeeney Could you try
 registering a custom post type using code directly in the theme or an mu-
 plugin without ACF?

 2. Redis Object Cache is active but the drop in is not installed, since no
 Redis connection could be established. @tillkruess any chance the plugin
 is filtering something about the queries on this page? I can try
 reproducing with an active Redis connection, but wanted to eliminate the
 obvious things first.

 Any other ideas welcome

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Ticket URL: <https://core.trac.wordpress.org/ticket/63284#comment:8>
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