From 3b840c20e3c6ef9f9ed9ac5159251d210b9dd484 Mon Sep 17 00:00:00 2001
From: dsd <60881537+dsd2077@users.noreply.github.com>
Date: Wed, 11 Sep 2024 22:39:40 +0800
Subject: [PATCH] =?UTF-8?q?change=20math/rand=20=3D>=20math/rand/v2=20in?=
 =?UTF-8?q?=20volume=5Flayout.go=20where=20is=20a=20perfo=E2=80=A6=20(#600?=
 =?UTF-8?q?6)?=
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---
 weed/topology/volume_layout.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/weed/topology/volume_layout.go b/weed/topology/volume_layout.go
index 610502769..55827f314 100644
--- a/weed/topology/volume_layout.go
+++ b/weed/topology/volume_layout.go
@@ -2,12 +2,13 @@ package topology
 
 import (
 	"fmt"
-	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
-	"math/rand"
+	"math/rand/v2"
 	"sync"
 	"sync/atomic"
 	"time"
 
+	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
+
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
@@ -304,7 +305,7 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (vi
 		return 0, 0, nil, true, fmt.Errorf("%s", noWritableVolumes)
 	}
 	if option.DataCenter == "" && option.Rack == "" && option.DataNode == "" {
-		vid := vl.writables[rand.Intn(lenWriters)]
+		vid := vl.writables[rand.IntN(lenWriters)]
 		locationList = vl.vid2location[vid]
 		if locationList == nil || len(locationList.list) == 0 {
 			return 0, 0, nil, false, fmt.Errorf("Strangely vid %s is on no machine!", vid.String())