rc: fix group change will meet data race (tikv#8268)

close tikv#8267 Signed-off-by: husharp <[email protected]> Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
mayjiang0203 · Jun 11, 2024 · c015f14 · c015f14
1 parent e767c01
commit c015f14
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkg/mcs/resourcemanager/server/manager.go b/pkg/mcs/resourcemanager/server/manager.go
@@ -129,7 +129,9 @@ func (m *Manager) Init(ctx context.Context) error {
 		return err
 	}
 	// Load resource group meta info from storage.
+	m.Lock()
 	m.groups = make(map[string]*ResourceGroup)
+	m.Unlock()
 	handler := func(k, v string) {
 		group := &rmpb.ResourceGroup{}
 		if err := proto.Unmarshal([]byte(v), group); err != nil {