replace PR https://github.com/seaweedfs/seaweedfs/pull/3621

replace https://github.com/seaweedfs/seaweedfs/pull/3621
2022-09-10 11:22:16 -07:00
parent 205ecb5d03
commit 576c113c59
3 changed files with 9 additions and 3 deletions
--- a/weed/topology/rack.go
+++ b/weed/topology/rack.go
@@ -32,7 +32,9 @@ func (r *Rack) FindDataNode(ip string, port int) *DataNode {
 	return nil
 }
 func (r *Rack) GetOrCreateDataNode(ip string, port int, grpcPort int, publicUrl string, maxVolumeCounts map[string]uint32) *DataNode {
-	for _, c := range r.Children() {
+	r.Lock()
+	defer r.Unlock()
+	for _, c := range r.children {
 		dn := c.(*DataNode)
 		if dn.MatchLocation(ip, port) {
 			dn.LastSeen = time.Now().Unix()