From 4b6031d6c4f0def75d29ec1f629326f305b87188 Mon Sep 17 00:00:00 2001
From: lake-toya <35307071+lake-toya@users.noreply.github.com>
Date: Sat, 21 Mar 2020 11:07:30 +0100
Subject: [PATCH] fix: prevent exceeding the maximum stack call size when
 emptying large queues (#1660)

---
 lib/queue.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/queue.js b/lib/queue.js
index d9a8d3a5d..ae888f216 100755
--- a/lib/queue.js
+++ b/lib/queue.js
@@ -750,7 +750,9 @@ Queue.prototype.empty = function() {
     if (jobKeys.length) {
       multi = this.multi();
 
-      multi.del.apply(multi, jobKeys);
+      for (let i = 0; i < jobKeys.length; i += 10000) {
+        multi.del.apply(multi, jobKeys.slice(i, i + 10000));
+      }
       return multi.exec();
     }
   });