upgrade go to 1.23

Signed-off-by: lhy1024 <[email protected]>

.github/workflows/check.yaml

@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.19
+          go-version: 1.23
       - name: Make Check
         run: |
           make build

.github/workflows/pd-docker-image.yaml

@@ -19,6 +19,6 @@ jobs:
         uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.19
+          go-version: 1.23
       - name: Make
         run: make docker-image

.github/workflows/pd-tests.yaml

@@ -29,7 +29,7 @@ jobs:
         uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.19"
+          go-version: "1.23"
       - name: Make Test
         env:
           WORKER_ID: ${{ matrix.worker_id }}

.github/workflows/tso-consistency-test.yaml

@@ -12,6 +12,6 @@ jobs:
         uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.19"
+          go-version: "1.23"
       - name: Make TSO Consistency Test
         run: make test-tso-consistency

.github/workflows/tso-function-test.yaml

@@ -21,6 +21,6 @@ jobs:
         uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.19"
+          go-version: "1.23"
       - name: Make TSO Function Test
         run: make test-tso-function

.golangci.yml

@@ -32,3 +32,6 @@ linters-settings:
     excludes:
       - G402
       - G404
+      # TODO: enable G115 after fixing the issues
+      # It is consistent with https://github.com/tikv/pd/pull/8637
+      - G115

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine as builder
+FROM golang:1.23-alpine as builder
 
 RUN apk add --no-cache \
     make \

client/client.go

@@ -1499,7 +1499,7 @@ func (c *client) ScanRegions(ctx context.Context, key, endKey []byte, limit int)
 		defer span.Finish()
 	}
 	start := time.Now()
-	defer cmdDurationScanRegions.Observe(time.Since(start).Seconds())
+	defer func() { cmdDurationScanRegions.Observe(time.Since(start).Seconds()) }()
 
 	var cancel context.CancelFunc
 	scanCtx := ctx
@@ -1865,7 +1865,7 @@ func (c *client) StoreGlobalConfig(ctx context.Context, items []GlobalConfigItem
 	}
 	resErr := res.GetError()
 	if resErr != nil {
-		return errors.Errorf("[pd]" + resErr.Message)
+		return errors.New("[pd]" + resErr.Message)
 	}
 	return err
 }
@@ -1914,7 +1914,7 @@ func (c *client) GetExternalTimestamp(ctx context.Context) (uint64, error) {
 	}
 	resErr := resp.GetHeader().GetError()
 	if resErr != nil {
-		return 0, errors.Errorf("[pd]" + resErr.Message)
+		return 0, errors.New("[pd]" + resErr.Message)
 	}
 	return resp.GetTimestamp(), nil
 }
@@ -1929,7 +1929,7 @@ func (c *client) SetExternalTimestamp(ctx context.Context, timestamp uint64) err
 	}
 	resErr := resp.GetHeader().GetError()
 	if resErr != nil {
-		return errors.Errorf("[pd]" + resErr.Message)
+		return errors.New("[pd]" + resErr.Message)
 	}
 	return nil
 }

go.mod

@@ -1,6 +1,6 @@
 module github.com/tikv/pd
 
-go 1.19
+go 1.23
 
 require (
 	github.com/AlekSi/gocov-xml v1.0.0

go.sum

@@ -46,6 +46,7 @@ github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kB
 github.com/bitly/go-simplejson v0.5.0 h1:6IH+V8/tVMab511d5bn4M7EwGXZf9Hj6i2xSwkNEM+Y=
 github.com/bitly/go-simplejson v0.5.0/go.mod h1:cXHtHw4XUPsvGaxgjIAn8PhEWG9NfngEKAMDJEczWVA=
 github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 h1:DDGfHa7BWjL4YnC6+E63dPcxHo2sUxDIu8g3QgEJdRY=
+github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869/go.mod h1:Ekp36dRnpXw/yCqJaO+ZrUyxD+3VXMFFr56k5XYrpB4=
 github.com/breeswish/gin-jwt/v2 v2.6.4-jwt-patch h1:KLE/YeX+9FNaGVW5MtImRVPhjDpfpgJhvkuYWBmOYbo=
 github.com/breeswish/gin-jwt/v2 v2.6.4-jwt-patch/go.mod h1:KjBLriHXe7L6fGceqWzTod8HUB/TP1WWDtfuSYtYXaI=
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
@@ -156,6 +157,7 @@ github.com/go-openapi/swag v0.19.15 h1:D2NRCBzS9/pEY3gP9Nl8aDqGUcPFrwG2p+CNFrLyr
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
+github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
@@ -184,7 +186,9 @@ github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69
 github.com/golang-jwt/jwt v3.2.1+incompatible h1:73Z+4BJcrTC+KczS6WvTPvRGOp1WmfEP4Q1lOd9Z/+c=
 github.com/golang-jwt/jwt v3.2.1+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
 github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 h1:au07oEsX2xN0ktxqI+Sida1w446QrXBRJ0nee3SNZlA=
+github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
 github.com/golang-sql/sqlexp v0.1.0 h1:ZCD6MBpcuOVfGVqsEmY5/4FtYiKz6tSyUv9LPEDei6A=
+github.com/golang-sql/sqlexp v0.1.0/go.mod h1:J4ad9Vo8ZCWQ2GMrC4UCQy1JpCbwU9m3EOqtpKwwwHI=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
@@ -254,14 +258,23 @@ github.com/ianlancetaylor/demangle v0.0.0-20210905161508-09a460cdf81d/go.mod h1:
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jackc/chunkreader/v2 v2.0.1 h1:i+RDz65UE+mmpjTfyz0MoVTnzeYxroil2G82ki7MGG8=
+github.com/jackc/chunkreader/v2 v2.0.1/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk=
 github.com/jackc/pgconn v1.13.0 h1:3L1XMNV2Zvca/8BYhzcRFS70Lr0WlDg16Di6SFGAbys=
+github.com/jackc/pgconn v1.13.0/go.mod h1:AnowpAqO4CMIIJNZl2VJp+KrkAZciAkhEl0W0JIobpI=
 github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE=
+github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
+github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
 github.com/jackc/pgproto3/v2 v2.3.1 h1:nwj7qwf0S+Q7ISFfBndqeLwSwxs+4DPsbRFjECT1Y4Y=
+github.com/jackc/pgproto3/v2 v2.3.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
 github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b h1:C8S2+VttkHFdOOCXJe+YGfa4vHYwlt4Zx+IVXQ97jYg=
+github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b/go.mod h1:vsD4gTJCa9TptPL8sPkXrLZ+hDuNrZCnj29CQpr4X1E=
 github.com/jackc/pgtype v1.12.0 h1:Dlq8Qvcch7kiehm8wPGIW0W3KsCCHJnRacKW0UM8n5w=
+github.com/jackc/pgtype v1.12.0/go.mod h1:LUMuVrfsFfdKGLw+AFFVv6KtHOFMwRgDDzBt76IqCA4=
 github.com/jackc/pgx/v4 v4.17.2 h1:0Ut0rpeKwvIVbMQ1KbMBU4h6wxehBI535LK6Flheh8E=
+github.com/jackc/pgx/v4 v4.17.2/go.mod h1:lcxIZN44yMIrWI78a5CpucdD14hX0SBDbNRvjDBItsw=
 github.com/jarcoal/httpmock v1.0.8 h1:8kI16SoO6LQKgPE7PvQuV+YuD/inwHd7fOOe2zMbo4k=
+github.com/jarcoal/httpmock v1.0.8/go.mod h1:ATjnClrvW/3tijVmpL/va5Z3aAyGvqU3gCT8nX0Txik=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
@@ -343,6 +356,7 @@ github.com/mgechev/dots v0.0.0-20190921121421-c36f7dcfbb81/go.mod h1:KQ7+USdGKfp
 github.com/mgechev/revive v1.0.2 h1:v0NxxQ7fSFz/u1NQydPo6EGdq7va0J1BtsZmae6kzUg=
 github.com/mgechev/revive v1.0.2/go.mod h1:rb0dQy1LVAxW9SWy5R3LPUjevzUbUS316U5MFySA2lo=
 github.com/microsoft/go-mssqldb v0.17.0 h1:Fto83dMZPnYv1Zwx5vHHxpNraeEaUlQ/hhHLgZiaenE=
+github.com/microsoft/go-mssqldb v0.17.0/go.mod h1:OkoNGhGEs8EZqchVTtochlXruEhEOaO4S0d2sB5aeGQ=
 github.com/minio/sio v0.3.0 h1:syEFBewzOMOYVzSTFpp1MqpSZk8rUNbz8VIIc+PNzus=
 github.com/minio/sio v0.3.0/go.mod h1:8b0yPp2avGThviy/+OCJBI6OMpvxoUuiLvE6F1lebhw=
 github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
@@ -389,6 +403,7 @@ github.com/phf/go-queue v0.0.0-20170504031614-9abe38d0371d/go.mod h1:lXfE4PvvTW5
 github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8/go.mod h1:B1+S9LNcuMyLH/4HMTViQOJevkGiik3wW2AN9zb2fNQ=
 github.com/pingcap/check v0.0.0-20191107115940-caf2b9e6ccf4/go.mod h1:PYMCGwN0JHjoqGr3HrZoD+b8Tgx8bKnArhSq8YVzUMc=
 github.com/pingcap/check v0.0.0-20191216031241-8a5a85928f12 h1:rfD9v3+ppLPzoQBgZev0qYCpegrwyFx/BUpkApEiKdY=
+github.com/pingcap/check v0.0.0-20191216031241-8a5a85928f12/go.mod h1:PYMCGwN0JHjoqGr3HrZoD+b8Tgx8bKnArhSq8YVzUMc=
 github.com/pingcap/errcode v0.3.0 h1:IF6LC/4+b1KNwrMlr2rBTUrojFPMexXBcDWZSpNwxjg=
 github.com/pingcap/errcode v0.3.0/go.mod h1:4b2X8xSqxIroj/IZ9MX/VGZhAwc11wB9wRIzHvz6SeM=
 github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
@@ -798,9 +813,11 @@ gorm.io/datatypes v1.1.0/go.mod h1:SH2K9R+2RMjuX1CkCONrPwoe9JzVv2hkQvEu4bXGojE=
 gorm.io/driver/mysql v1.4.5 h1:u1lytId4+o9dDaNcPCFzNv7h6wvmc92UjNk3z8enSBU=
 gorm.io/driver/mysql v1.4.5/go.mod h1:SxzItlnT1cb6e1e4ZRpgJN2VYtcqJgqnHxWr4wsP8oc=
 gorm.io/driver/postgres v1.4.5 h1:mTeXTTtHAgnS9PgmhN2YeUbazYpLhUI1doLnw42XUZc=
+gorm.io/driver/postgres v1.4.5/go.mod h1:GKNQYSJ14qvWkvPwXljMGehpKrhlDNsqYRr5HnYGncg=
 gorm.io/driver/sqlite v1.4.3 h1:HBBcZSDnWi5BW3B3rwvVTc510KGkBkexlOg0QrmLUuU=
 gorm.io/driver/sqlite v1.4.3/go.mod h1:0Aq3iPO+v9ZKbcdiz8gLWRw5VOPcBOPUQJFLq5e2ecI=
 gorm.io/driver/sqlserver v1.4.1 h1:t4r4r6Jam5E6ejqP7N82qAJIJAht27EGT41HyPfXRw0=
+gorm.io/driver/sqlserver v1.4.1/go.mod h1:DJ4P+MeZbc5rvY58PnmN1Lnyvb5gw5NPzGshHDnJLig=
 gorm.io/gorm v1.21.9/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
 gorm.io/gorm v1.23.8/go.mod h1:l2lP/RyAtc1ynaTjFksBde/O8v9oOGIApu2/xRitmZk=
 gorm.io/gorm v1.24.0/go.mod h1:DVrVomtaYTbqs7gB/x2uVvqnXzv0nqjB396B8cG4dBA=

pkg/movingaverage/moving_average_test.go

@@ -24,7 +24,7 @@ import (
 )
 
 func addRandData(ma MovingAvg, n int, mx float64) {
-	rand.Seed(time.Now().UnixNano())
+	rand.New(rand.NewSource(time.Now().UnixNano()))
 	for i := 0; i < n; i++ {
 		ma.Add(rand.Float64() * mx)
 	}

pkg/reflectutil/tag.go

@@ -66,13 +66,15 @@ func FindFieldByJSONTag(t reflect.Type, tags []string) reflect.Type {
 	if t.Kind() != reflect.Struct {
 		return nil
 	}
-	for i := 0; i < t.NumField(); i++ {
+	tag := tags[0]
+	tagRemain := tags[1:]
+	for i := range t.NumField() {
 		jsonTag := t.Field(i).Tag.Get("json")
-		if i := strings.Index(jsonTag, ","); i != -1 { // trim 'foobar,string' to 'foobar'
-			jsonTag = jsonTag[:i]
+		if j := strings.Index(jsonTag, ","); j != -1 { // trim 'foobar,string' to 'foobar'
+			jsonTag = jsonTag[:j]
 		}
-		if jsonTag == tags[0] {
-			return FindFieldByJSONTag(t.Field(i).Type, tags[1:])
+		if jsonTag == tag {
+			return FindFieldByJSONTag(t.Field(i).Type, tagRemain)
 		}
 	}
 	return nil

server/api/pprof.go

@@ -52,7 +52,7 @@ func newPprofHandler(svr *server.Server, rd *render.Render) *pprofHandler {
 // @Produce  application/octet-stream
 // @Router   /debug/pprof/zip [get]
 func (h *pprofHandler) PProfZip(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="pd_debug"`+time.Now().Format("20060102_150405")+".zip"))
+	w.Header().Set("Content-Disposition", `attachment; filename="pd_debug"`+time.Now().Format("20060102_150405")+".zip")
 
 	// dump goroutine/heap/mutex
 	items := []struct {

server/api/store_test.go

@@ -457,7 +457,7 @@ func (suite *storeTestSuite) TestGetAllLimit() {
 
 	re := suite.Require()
 	for _, testCase := range testCases {
-		suite.T().Logf(testCase.name)
+		suite.T().Log(testCase.name)
 		info := make(map[uint64]interface{}, 4)
 		err := tu.ReadGetJSON(re, testDialClient, testCase.url, &info)
 		suite.NoError(err)

server/core/region.go

@@ -1573,18 +1573,6 @@ func DiffRegionKeyInfo(origin *RegionInfo, other *RegionInfo) string {
 	return strings.Join(ret, ", ")
 }
 
-// String converts slice of bytes to string without copy.
-func String(b []byte) (s string) {
-	if len(b) == 0 {
-		return ""
-	}
-	pbytes := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	pstring := (*reflect.StringHeader)(unsafe.Pointer(&s))
-	pstring.Data = pbytes.Data
-	pstring.Len = pbytes.Len
-	return
-}
-
 // ToUpperASCIIInplace bytes.ToUpper but zero-cost
 func ToUpperASCIIInplace(s []byte) []byte {
 	hasLower := false
@@ -1623,7 +1611,7 @@ func HexRegionKey(key []byte) []byte {
 // HexRegionKeyStr converts region key to hex format. Used for formating region in
 // logs.
 func HexRegionKeyStr(key []byte) string {
-	return String(HexRegionKey(key))
+	return string(HexRegionKey(key))
 }
 
 // RegionToHexMeta converts a region meta's keys to hex format. Used for formating

server/core/region_test.go

@@ -15,9 +15,10 @@
 package core
 
 import (
+	"crypto/rand"
 	"fmt"
 	"math"
-	"math/rand"
+	mrand "math/rand"
 	"strconv"
 	"testing"
 	"time"
@@ -755,7 +756,7 @@ func BenchmarkRandomSetRegionWithGetRegionSizeByRangeParallel(b *testing.B) {
 	b.RunParallel(
 		func(pb *testing.PB) {
 			for pb.Next() {
-				item := items[rand.Intn(len(items))]
+				item := items[mrand.Intn(len(items))]
 				n := item.Clone(SetApproximateSize(20))
 				origin, overlaps, rangeChanged := regions.SetRegionWithUpdate(n)
 				regions.UpdateSubTree(item, origin, overlaps, rangeChanged)

server/core/region_tree.go

@@ -374,5 +374,5 @@ func (t *regionTree) TotalWriteRate() (bytesRate, keysRate float64) {
 }
 
 func init() {
-	rand.Seed(time.Now().UnixNano())
+	rand.New(rand.NewSource(time.Now().UnixNano()))
 }

server/grpc_service.go

@@ -206,7 +206,7 @@ func (s *GrpcServer) Tso(stream pdpb.PD_TsoServer) error {
 		count := request.GetCount()
 		ts, err := s.tsoAllocatorManager.HandleTSORequest(request.GetDcLocation(), count)
 		if err != nil {
-			return status.Errorf(codes.Unknown, err.Error())
+			return status.Error(codes.Unknown, err.Error())
 		}
 		tsoHandleDuration.Observe(time.Since(start).Seconds())
 		response := &pdpb.TsoResponse{

server/schedule/waiting_operator.go

@@ -120,5 +120,5 @@ func NewWaitingOperatorStatus() *WaitingOperatorStatus {
 }
 
 func init() {
-	rand.Seed(time.Now().UnixNano())
+	rand.New(rand.NewSource(time.Now().UnixNano()))
 }

server/server.go

@@ -251,7 +251,7 @@ func combineBuilderServerHTTPService(ctx context.Context, svr *Server, serviceBu
 // CreateServer creates the UNINITIALIZED pd server with given configuration.
 func CreateServer(ctx context.Context, cfg *config.Config, serviceBuilders ...HandlerBuilder) (*Server, error) {
 	log.Info("PD Config", zap.Reflect("config", cfg))
-	rand.Seed(time.Now().UnixNano())
+	rand.New(rand.NewSource(time.Now().UnixNano()))
 	serviceMiddlewareCfg := config.NewServiceMiddlewareConfig()
 
 	s := &Server{

server/storage/endpoint/key_path_test.go

@@ -15,7 +15,7 @@ func TestRegionPath(t *testing.T) {
 	f := func(id uint64) string {
 		return path.Join(regionPathPrefix, fmt.Sprintf("%020d", id))
 	}
-	rand.Seed(time.Now().Unix())
+	rand.New(rand.NewSource(time.Now().Unix()))
 	for i := 0; i < 1000; i++ {
 		id := rand.Uint64()
 		re.Equal(f(id), RegionPath(id))

server/storage/hot_region_storage.go

@@ -282,8 +282,8 @@ func (h *HotRegionStorage) packHistoryHotRegions(historyHotRegions []HistoryHotR
 		if err != nil {
 			return err
 		}
-		historyHotRegions[i].StartKey = core.String(region.StartKey)
-		historyHotRegions[i].EndKey = core.String(region.EndKey)
+		historyHotRegions[i].StartKey = string(region.StartKey)
+		historyHotRegions[i].EndKey = string(region.EndKey)
 		key := HotRegionStorePath(hotRegionType, historyHotRegions[i].UpdateTime, historyHotRegions[i].RegionID)
 		h.batchHotInfo[key] = &historyHotRegions[i]
 	}
@@ -401,8 +401,8 @@ func (it *HotRegionStorageIterator) Next() (*HistoryHotRegion, error) {
 	if err := encryption.DecryptRegion(region, it.encryptionKeyManager); err != nil {
 		return nil, err
 	}
-	message.StartKey = core.String(region.StartKey)
-	message.EndKey = core.String(region.EndKey)
+	message.StartKey = string(region.StartKey)
+	message.EndKey = string(region.EndKey)
 	message.EncryptionMeta = nil
 	return &message, nil
 }

server/storage/storage_test.go

@@ -338,7 +338,7 @@ func generateKeys(size int) []string {
 }
 
 func randomMerge(regions []*metapb.Region, n int, ratio int) {
-	rand.Seed(6)
+	rand.New(rand.NewSource(6))
 	note := make(map[int]bool)
 	for i := 0; i < n*ratio/100; i++ {
 		pos := rand.Intn(n - 1)

tests/client/go.mod

@@ -1,6 +1,6 @@
 module github.com/tikv/pd/tests/client
 
-go 1.19
+go 1.23
 
 require (
 	github.com/pingcap/failpoint v0.0.0-20210918120811-547c13e3eb00