adjust populate

lib/submission_events.rb

@@ -23,7 +23,11 @@ module SubmissionEvents
 
   def populate_account_id
     Account.find_each do |account|
-      SubmissionEvent.where(submission_id: account.submissions).in_batches.update_all(account_id: account.id)
+      ids = account.submissions.pluck(:id)
+
+      ids.each_slice(10_000).each do |batch|
+        SubmissionEvent.where(submission_id: batch).update_all(account_id: account.id)
+      end
     end
   end
 end