Drupal 8 - Redis cluster - add prediscluster doDeleteMultiple support

drupal.redis-cluster-add-prediscluster-deletemultiple-support.patch

Index: src/Cache/PredisCluster.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/src/Cache/PredisCluster.php b/src/Cache/PredisCluster.php
--- a/src/Cache/PredisCluster.php	(date 1623849227261)
+++ b/src/Cache/PredisCluster.php	(date 1623849227261)
@@ -27,4 +27,18 @@
     parent::__construct($bin, $client, $checksum_provider, $serializer);
   }
 
-}
\ No newline at end of file
+  /**
+   * {@inheritdoc}
+   */
+  public function doDeleteMultiple(array $cids) {
+    if (!empty($cids)) {
+      $keys = array_map([$this, 'getKey'], $cids);
+      $pipe = $this->client->pipeline();
+      foreach ($keys as $key){
+        $pipe->del($key);
+      }
+      $pipe->execute();
+    }
+  }
+
+}