From 0ed1b4537b28f0a93507f612c421681aff52b775 Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Sat, 23 Mar 2024 08:37:06 +1100
Subject: [PATCH] PERF: only allow one reviewable notification at a time
 (#26330)

This job may notify hundreds of mods and take quite a while to run.
---
 app/jobs/regular/notify_reviewable.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/jobs/regular/notify_reviewable.rb b/app/jobs/regular/notify_reviewable.rb
index ed8bdbc8509..8a5c35f641b 100644
--- a/app/jobs/regular/notify_reviewable.rb
+++ b/app/jobs/regular/notify_reviewable.rb
@@ -1,6 +1,10 @@
 # frozen_string_literal: true
 
 class Jobs::NotifyReviewable < ::Jobs::Base
+  # this job can take a very long time if there are many mods
+  # do not swamp the queue with it
+  cluster_concurrency 1
+
   def execute(args)
     return unless reviewable = Reviewable.find_by(id: args[:reviewable_id])