From f2d59c4f91ef4ca1555abd04673d729f9d6f4af1 Mon Sep 17 00:00:00 2001
From: Chen Tianjie <chentianjie.ctj@alibaba-inc.com>
Date: Thu, 7 Dec 2023 19:48:15 +0800
Subject: [PATCH] Avoid unnecessary slot computing in KEYS command. (#12843)

If not in cluster mode, there is no need to compute slot.

A bit optimization for #12754
---
 src/db.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/db.c b/src/db.c
index f82e090ed..6cef5d734 100644
--- a/src/db.c
+++ b/src/db.c
@@ -1003,12 +1003,12 @@ void keysCommand(client *c) {
     long numkeys = 0;
     void *replylen = addReplyDeferredLen(c);
     allkeys = (pattern[0] == '*' && plen == 1);
-    if (!allkeys) {
+    if (server.cluster_enabled && !allkeys) {
         pslot = patternHashSlot(pattern, plen);
     }
     dictIterator *di = NULL;
     dbIterator *dbit = NULL;
-    if (server.cluster_enabled && !allkeys && pslot != -1) {
+    if (pslot != -1) {
         di = dictGetSafeIterator(c->db->dict[pslot]);
     } else {
         dbit = dbIteratorInit(c->db, DB_MAIN);