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Opened 9 years ago

Last modified 5 years ago

#34389 new enhancement

Comment pagination settings should discourage infinite comments-per-page

Reported by: boonebgorges's profile boonebgorges Owned by:
Milestone: Priority: normal
Severity: normal Version:
Component: Comments Keywords:
Focuses: ui, performance Cc:


The default value for page_comments is 0. See #12562. When a comment has hundreds or thousands or trillions of comments, the lack of pagination causes severe performance problems. Part of the spiritual journey described in #8071 involved forcing pagination. We tried a few things in #8071, but decided to leave the problem for a separate ticket.

A couple of possible ways forward, some of which are mutually compatible:

  • Force comment pagination in all cases. This could be coupled with a bump in the default value of comments_per_page. Good: It's consistent, and it allows us to drop a checkbox from the UI. Bad: It breaks comment permalinks for many posts (though see #34106).
  • Force comment pagination only when the number of comments on a post is dangerously high. Good: It reduces permalink breakage. Bad: It's confusing for the user.
  • Do nothing for existing installations, but enable page_comments by default on new installs. This could be coupled with a bump in the default value of comments_per_page.
  • Add some sort of AYS message to options-discussion.php that discourages admins from disabling page_comments, or setting comments_per_page too high.

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