math/rand => math/rand/v2

weed/topology/node.go

@@ -2,7 +2,7 @@ package topology
 
 import (
 	"errors"
-	"math/rand"
+	"math/rand/v2"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -83,7 +83,7 @@ func (n *NodeImpl) PickNodesByWeight(numberOfNodes int, option *VolumeGrowOption
 	//pick nodes randomly by weights, the node picked earlier has higher final weights
 	sortedCandidates := make([]Node, 0, len(candidates))
 	for i := 0; i < len(candidates); i++ {
-		weightsInterval := rand.Int63n(totalWeights)
+		weightsInterval := rand.Int64N(totalWeights)
 		lastWeights := int64(0)
 		for k, weights := range candidatesWeights {
 			if (weightsInterval >= lastWeights) && (weightsInterval < lastWeights+weights) {

weed/topology/topology.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math/rand"
+	"math/rand/v2"
 	"sync"
 	"time"
 

weed/topology/topology_event_handling.go

@@ -1,7 +1,7 @@
 package topology
 
 import (
-	"math/rand"
+	"math/rand/v2"
 	"time"
 
 	"github.com/seaweedfs/seaweedfs/weed/stats"

weed/topology/volume_growth.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
-	"math/rand"
+	"math/rand/v2"
 	"sync"
 	"time"
 
@@ -222,7 +222,7 @@ func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *Volum
 		servers = append(servers, server.(*DataNode))
 	}
 	for _, rack := range otherRacks {
-		r := rand.Int63n(rack.AvailableSpaceFor(option))
+		r := rand.Int64N(rack.AvailableSpaceFor(option))
 		if server, e := rack.ReserveOneVolume(r, option); e == nil {
 			servers = append(servers, server)
 		} else {
@@ -230,7 +230,7 @@ func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *Volum
 		}
 	}
 	for _, datacenter := range otherDataCenters {
-		r := rand.Int63n(datacenter.AvailableSpaceFor(option))
+		r := rand.Int64N(datacenter.AvailableSpaceFor(option))
 		if server, e := datacenter.ReserveOneVolume(r, option); e == nil {
 			servers = append(servers, server)
 		} else {

weed/topology/volume_layout.go

@@ -3,7 +3,7 @@ package topology
 import (
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/stats"
-	"math/rand"
+	"math/rand/v2"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -296,7 +296,7 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (vi
 		return 0, 0, nil, true, fmt.Errorf("%s in volume layout", 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())