diff --git a/go.mod b/go.mod
index 24afc3071..0400f636b 100644
--- a/go.mod
+++ b/go.mod
@@ -23,7 +23,7 @@ go 1.12
 require (
 	github.com/GoogleCloudPlatform/spark-on-k8s-operator v0.0.0-20200817155620-c19d2b8660d8
 	github.com/apache/incubator-yunikorn-core v0.0.0-20210106054125-dcf631d5c6b5
-	github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20201215141356-df4d86d2197b
+	github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20210106054514-49c4f33ed27b
 	github.com/google/uuid v1.1.1
 	github.com/gorilla/mux v1.7.3
 	github.com/looplab/fsm v0.1.0
diff --git a/go.sum b/go.sum
index dabdda435..b836a5951 100644
--- a/go.sum
+++ b/go.sum
@@ -50,10 +50,13 @@ github.com/apache/incubator-yunikorn-core v0.0.0-20201218082332-5471d84cd619 h1:
 github.com/apache/incubator-yunikorn-core v0.0.0-20201218082332-5471d84cd619/go.mod h1:d/fn47kdGd094NHiysHAY+0d4evpYRFQ6q5b9eaBONo=
 github.com/apache/incubator-yunikorn-core v0.0.0-20210106054125-dcf631d5c6b5 h1:1cDvDjyqKce4U+Zvj7bmPSxU2ok1e+ynJsarFcp+JwQ=
 github.com/apache/incubator-yunikorn-core v0.0.0-20210106054125-dcf631d5c6b5/go.mod h1:d/fn47kdGd094NHiysHAY+0d4evpYRFQ6q5b9eaBONo=
+github.com/apache/incubator-yunikorn-scheduler-interface v0.0.0-20210106054514-49c4f33ed27b/go.mod h1:ObMs03XFbnmpGD81jYvdUDEVZbHvz8W6dWH5nGDCjc0=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20200901200728-b9033558f319 h1:I12nCcXdHe6W4oysVejFHfQDy0Ix0r+ZHdfooyEoldo=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20200901200728-b9033558f319/go.mod h1:ObMs03XFbnmpGD81jYvdUDEVZbHvz8W6dWH5nGDCjc0=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20201215141356-df4d86d2197b h1:dxncLtkTwtqUB6pgsVVw52+Ni3ZXG2BPnLrSrubcRZA=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20201215141356-df4d86d2197b/go.mod h1:ObMs03XFbnmpGD81jYvdUDEVZbHvz8W6dWH5nGDCjc0=
+github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20210106054514-49c4f33ed27b h1:er61fRzIZuWejT9vUsHvb3ZyilJt6QCY7ZFdlAmVm7w=
+github.com/apache/incubator-yunikorn-scheduler-interface v0.9.1-0.20210106054514-49c4f33ed27b/go.mod h1:ObMs03XFbnmpGD81jYvdUDEVZbHvz8W6dWH5nGDCjc0=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
diff --git a/pkg/cache/application_test.go b/pkg/cache/application_test.go
index 4bb88a485..ecbeb541d 100644
--- a/pkg/cache/application_test.go
+++ b/pkg/cache/application_test.go
@@ -362,7 +362,9 @@ func TestTryReserve(t *testing.T) {
 		createdPods.add(pod)
 		return pod, nil
 	})
-	GetPlaceholderManager().setMockedClients(mockedAPIProvider.GetAPIs())
+	mgr := NewPlaceholderManager(mockedAPIProvider.GetAPIs())
+	mgr.Start()
+	defer mgr.Stop()
 
 	// create a new app
 	app := NewApplication("app00001", "root.abc", "test-user",
diff --git a/pkg/cache/placeholder_test.go b/pkg/cache/placeholder_test.go
index c4908a3d1..42bf58c80 100644
--- a/pkg/cache/placeholder_test.go
+++ b/pkg/cache/placeholder_test.go
@@ -59,7 +59,7 @@ func TestNewPlaceholder(t *testing.T) {
 	assert.Equal(t, len(holder.pod.Labels), 2)
 	assert.Equal(t, holder.pod.Labels[constants.LabelApplicationID], appID)
 	assert.Equal(t, holder.pod.Labels[constants.LabelQueueName], queue)
-	assert.Equal(t, len(holder.pod.Annotations), 1)
+	assert.Equal(t, len(holder.pod.Annotations), 2)
 	assert.Equal(t, holder.pod.Annotations[constants.AnnotationTaskGroupName], app.taskGroups[0].Name)
 	assert.Equal(t, common.GetPodResource(holder.pod).Resources[constants.CPU].Value, int64(500))
 	assert.Equal(t, common.GetPodResource(holder.pod).Resources[constants.Memory].Value, int64(1024))
diff --git a/pkg/common/si_helper_test.go b/pkg/common/si_helper_test.go
index 225328a55..5f01a2556 100644
--- a/pkg/common/si_helper_test.go
+++ b/pkg/common/si_helper_test.go
@@ -27,7 +27,7 @@ import (
 )
 
 func TestCreateReleaseAllocationRequest(t *testing.T) {
-	request := CreateReleaseAllocationRequestForTask("app01", "alloc01", "default")
+	request := CreateReleaseAllocationRequestForTask("app01", "alloc01", "default", "STOPPED_BY_RM")
 	assert.Assert(t, request.Releases != nil)
 	assert.Assert(t, request.Releases.AllocationsToRelease != nil)
 	assert.Assert(t, request.Releases.AllocationAsksToRelease == nil)
diff --git a/pkg/shim/scheduler.go b/pkg/shim/scheduler.go
index 63f8565ba..e21340de6 100644
--- a/pkg/shim/scheduler.go
+++ b/pkg/shim/scheduler.go
@@ -267,6 +267,10 @@ func (ss *KubernetesShim) run() {
 	}
 
 	ss.apiFactory.Start()
+
+	// run the placeholder manager
+	placeholderMgr := cache.NewPlaceholderManager(ss.apiFactory.GetAPIs())
+	placeholderMgr.Start()
 }
 
 func (ss *KubernetesShim) enterState(event *fsm.Event) {