Spread out crawling randomly to avoid DDoSing the link (#8445)

* Spread out crawling randomly to avoid DDoSing the link Fix #4486 * Remove trailing whitespace
mastodon · Aug 25, 2018 · b4ba4b1 · b4ba4b1
1 parent df06f53
commit b4ba4b1
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
@@ -104,7 +104,9 @@ def notify_about_mentions(status)
 
   def crawl_links(status)
     return if status.spoiler_text?
-    LinkCrawlWorker.perform_async(status.id)
+
+    # Spread out crawling randomly to avoid DDoSing the link
+    LinkCrawlWorker.perform_in(rand(1..59).seconds, status.id)
   end
 
   def distribute_to_followers(status)