MDL-74072 cachestore_redis: Add error check for envoy proxy

2022-03-03 17:16:52 +11:00
parent 9cd77c4130
commit 25a6a42477
1 changed files with 5 additions and 1 deletions
@@ -680,7 +680,11 @@ class cachestore_redis extends cache_store implements cache_is_key_aware, cache_
     * @return int|null Memory used by Redis or null if we don't know
     */
    public function store_total_size(): ?int {
-        $details = $this->redis->info('MEMORY');
+        try {
+            $details = $this->redis->info('MEMORY');
+        } catch (\RedisException $e) {
+            return null;
+        }
        if (empty($details['used_memory'])) {
            return null;
        } else {