From f5ece20a8397c97156ab998e7fd351d8833ad59d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andre=CC=81=20R?= <ar@ez.no>
Date: Mon, 11 Mar 2019 11:49:54 +0100
Subject: [PATCH] [Cache] Only delete one key at a time when on Predis +
 Cluster

---
 src/Symfony/Component/Cache/Traits/RedisTrait.php | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Cache/Traits/RedisTrait.php b/src/Symfony/Component/Cache/Traits/RedisTrait.php
index 7cbd304a0c..7f5d191692 100644
--- a/src/Symfony/Component/Cache/Traits/RedisTrait.php
+++ b/src/Symfony/Component/Cache/Traits/RedisTrait.php
@@ -272,7 +272,17 @@ trait RedisTrait
      */
     protected function doDelete(array $ids)
     {
-        if ($ids) {
+        if (!$ids) {
+            return true;
+        }
+
+        if ($this->redis instanceof \Predis\Client && $this->redis->getConnection() instanceof ClusterInterface) {
+            $this->pipeline(function () use ($ids) {
+                foreach ($ids as $id) {
+                    yield 'del' => [$id];
+                }
+            })->rewind();
+        } else {
             $this->redis->del($ids);
         }