FEATURE: new site setting rebake_old_posts_count

app/jobs/scheduled/periodical_updates.rb

@@ -29,7 +29,7 @@ module Jobs
 
       # Forces rebake of old posts where needed, as long as no system avatars need updating
       unless UserAvatar.where("last_gravatar_download_attempt IS NULL").limit(1).first
-        problems = Post.rebake_old(250)
+        problems = Post.rebake_old(SiteSetting.rebake_old_posts_count)
         problems.each do |hash|
           post_id = hash[:post].id
           Discourse.handle_job_exception(hash[:ex], error_context(args, "Rebaking post id #{post_id}", post_id: post_id))

config/locales/server.en.yml

@@ -1029,6 +1029,8 @@ en:
     top_topics_formula_first_post_likes_multiplier: "value of first post likes multiplier (n) in top topics formula: `log(views_count) * 2 + op_likes_count * (n) + LEAST(likes_count / posts_count, 3) + 10 + log(posts_count)`"
     top_topics_formula_least_likes_per_post_multiplier: "value of least likes per post multiplier (n) in top topics formula: `log(views_count) * 2 + op_likes_count * 0.5 + LEAST(likes_count / posts_count, (n)) + 10 + log(posts_count)`"
 
+    rebake_old_posts_count: "Number of old posts to be rebaked every 15 minutes."
+
     rate_limit_create_topic: "After creating a topic, users must wait (n) seconds before creating another topic."
     rate_limit_create_post: "After posting, users must wait (n) seconds before creating another post."
     rate_limit_new_user_create_topic: "After creating a topic, new users must wait (n) seconds before creating another topic."

config/site_settings.yml

@@ -942,6 +942,9 @@ developer:
   top_topics_formula_least_likes_per_post_multiplier:
     default: 3
     min: 0
+  rebake_old_posts_count:
+    default: 250
+    min: 1
   migrate_to_new_scheme:
     hidden: true
     default: false