This is an automated cherry-pick of tikv#8264

close tikv#8263

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

pkg/schedule/operator/operator_controller.go

@@ -438,8 +438,13 @@ func (oc *Controller) checkAddOperator(isPromoting bool, ops ...*Operator) (bool
 			operatorCounter.WithLabelValues(op.Desc(), "unexpected-status").Inc()
 			return false, NotInCreateStatus
 		}
+<<<<<<< HEAD
 		if !isPromoting && oc.wopStatus.ops[op.Desc()] >= oc.config.GetSchedulerMaxWaitingOperator() {
 			log.Debug("exceed max return false", zap.Uint64("waiting", oc.wopStatus.ops[op.Desc()]), zap.String("desc", op.Desc()), zap.Uint64("max", oc.config.GetSchedulerMaxWaitingOperator()))
+=======
+		if !isPromoting && oc.wopStatus.getCount(op.Desc()) >= oc.config.GetSchedulerMaxWaitingOperator() {
+			log.Debug("exceed max return false", zap.Uint64("waiting", oc.wopStatus.getCount(op.Desc())), zap.String("desc", op.Desc()), zap.Uint64("max", oc.config.GetSchedulerMaxWaitingOperator()))
+>>>>>>> e767c012f (schedule: fix datarace in `operator.check` (#8264))
 			operatorCounter.WithLabelValues(op.Desc(), "exceed-max-waiting").Inc()
 			return false, ExceedWaitLimit
 		}

pkg/schedule/operator/operator_test.go

@@ -17,7 +17,10 @@ package operator
 import (
 	"context"
 	"encoding/json"
+<<<<<<< HEAD
 	"fmt"
+=======
+>>>>>>> e767c012f (schedule: fix datarace in `operator.check` (#8264))
 	"sync"
 	"sync/atomic"
 	"testing"
@@ -553,3 +556,27 @@ func (suite *operatorTestSuite) TestOperatorCheckConcurrently() {
 	}
 	wg.Wait()
 }
+
+func TestOperatorCheckConcurrently(t *testing.T) {
+	re := require.New(t)
+	region := newTestRegion(1, 1, [2]uint64{1, 1}, [2]uint64{2, 2})
+	// addPeer1, transferLeader1, removePeer3
+	steps := []OpStep{
+		AddPeer{ToStore: 1, PeerID: 1},
+		TransferLeader{FromStore: 3, ToStore: 1},
+		RemovePeer{FromStore: 3},
+	}
+	op := NewTestOperator(1, &metapb.RegionEpoch{}, OpAdmin|OpLeader|OpRegion, steps...)
+	re.Equal(constant.Urgent, op.GetPriorityLevel())
+	checkSteps(re, op, steps)
+	op.Start()
+	var wg sync.WaitGroup
+	for i := 0; i < 10; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			re.Nil(op.Check(region))
+		}()
+	}
+	wg.Wait()
+}