From 0047d65c65d55a7df78dd508f0a9e87d568bedb3 Mon Sep 17 00:00:00 2001
From: birdstorm <samuelwyf@hotmail.com>
Date: Tue, 30 Mar 2021 21:13:15 +0800
Subject: [PATCH] remove list copy

Signed-off-by: birdstorm <samuelwyf@hotmail.com>
---
 src/main/java/org/tikv/common/util/ClientUtils.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/tikv/common/util/ClientUtils.java b/src/main/java/org/tikv/common/util/ClientUtils.java
index 2836ea0126e..e85babf608b 100644
--- a/src/main/java/org/tikv/common/util/ClientUtils.java
+++ b/src/main/java/org/tikv/common/util/ClientUtils.java
@@ -121,7 +121,7 @@ public static Map<TiRegion, List<ByteString>> groupKeysByRegion(
 
   public static Map<TiRegion, List<ByteString>> groupKeysByRegion(
       RegionManager regionManager, List<ByteString> keys, BackOffer backoffer) {
-    return groupKeysByRegion(regionManager, new ArrayList<>(keys), backoffer, false);
+    return groupKeysByRegion(regionManager, keys, backoffer, false);
   }
 
   /**