diff --git a/bcs-mesos/bcs-scheduler/src/manager/sched/offer/offerpool.go b/bcs-mesos/bcs-scheduler/src/manager/sched/offer/offerpool.go
index 48d30a5814..215be6f1c3 100644
--- a/bcs-mesos/bcs-scheduler/src/manager/sched/offer/offerpool.go
+++ b/bcs-mesos/bcs-scheduler/src/manager/sched/offer/offerpool.go
@@ -457,21 +457,21 @@ func (p *offerPool) addOffers(offers []*mesos.Offer) bool {
 		//print offer info
 		p.printOffer(o)
 		//add agent deltaXXX 20180530
-		agentSchedInfo, err := p.scheduler.FetchAgentSchedInfo(o.GetHostname())
+		/*agentSchedInfo, err := p.scheduler.FetchAgentSchedInfo(o.GetHostname())
 		if err != nil {
 			blog.Errorf("get agent(%s) err(%s), offer can not added", o.GetHostname(), err.Error())
 			continue
-		}
+		}*/
 		agentDeltaCPU := 0.0
 		agentDeltaMem := 0.0
 		agentDeltaDisk := 0.0
-		if agentSchedInfo != nil {
+		/*if agentSchedInfo != nil {
 			agentDeltaCPU = agentSchedInfo.DeltaCPU
 			agentDeltaMem = agentSchedInfo.DeltaMem
 			agentDeltaDisk = agentSchedInfo.DeltaDisk
 			blog.V(3).Infof("get agent(%s) delta(cpu: %f | mem: %f | disk: %f)",
 				o.GetHostname(), agentDeltaCPU, agentDeltaMem, agentDeltaDisk)
-		}
+		}*/
 		off := &innerOffer{
 			id:          p.autoIncrementId,
 			offerId:     o.GetId().GetValue(),
diff --git a/bcs-mesos/bcs-scheduler/src/manager/sched/sched.go b/bcs-mesos/bcs-scheduler/src/manager/sched/sched.go
index f41b9775d0..a830b4fd24 100644
--- a/bcs-mesos/bcs-scheduler/src/manager/sched/sched.go
+++ b/bcs-mesos/bcs-scheduler/src/manager/sched/sched.go
@@ -14,11 +14,18 @@
 package sched
 
 import (
+	"net/http"
+	"net/http/pprof"
+
+	"github.com/Tencent/bk-bcs/bcs-common/common/blog"
+	"github.com/Tencent/bk-bcs/bcs-common/common/http/httpserver"
 	"github.com/Tencent/bk-bcs/bcs-mesos/bcs-scheduler/src/manager/sched/api"
 	"github.com/Tencent/bk-bcs/bcs-mesos/bcs-scheduler/src/manager/sched/backend"
 	"github.com/Tencent/bk-bcs/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler"
 	"github.com/Tencent/bk-bcs/bcs-mesos/bcs-scheduler/src/manager/schedcontext"
 	"github.com/Tencent/bk-bcs/bcs-mesos/bcs-scheduler/src/util"
+
+	restful "github.com/emicklei/go-restful"
 )
 
 type Sched struct {
@@ -38,6 +45,10 @@ func New(config util.Scheduler, scontext *schedcontext.SchedContext) *Sched {
 	r := api.NewRouter(backend)
 	apiActions := r.GetActions()
 	s.scontext.ApiServer2.RegisterWebServer("/v1", nil, apiActions)
+	//use pprof
+	if s.config.DebugMode {
+		s.initDebug()
+	}
 
 	return s
 }
@@ -49,3 +60,21 @@ func (s *Sched) Start() error {
 
 	return nil
 }
+func (s *Sched) initDebug() {
+	blog.Infof("init debug pprof")
+	action := []*httpserver.Action{
+		httpserver.NewAction("GET", "/debug/pprof/", nil, getRouteFunc(pprof.Index)),
+		httpserver.NewAction("GET", "/debug/pprof/{uri:*}", nil, getRouteFunc(pprof.Index)),
+		httpserver.NewAction("GET", "/debug/pprof/cmdline", nil, getRouteFunc(pprof.Cmdline)),
+		httpserver.NewAction("GET", "/debug/pprof/profile", nil, getRouteFunc(pprof.Profile)),
+		httpserver.NewAction("GET", "/debug/pprof/symbol", nil, getRouteFunc(pprof.Symbol)),
+		httpserver.NewAction("GET", "/debug/pprof/trace", nil, getRouteFunc(pprof.Trace)),
+	}
+	s.scontext.ApiServer2.RegisterWebServer("", nil, action)
+}
+
+func getRouteFunc(f http.HandlerFunc) restful.RouteFunction {
+	return restful.RouteFunction(func(req *restful.Request, resp *restful.Response) {
+		f(resp, req.Request)
+	})
+}
\ No newline at end of file
diff --git a/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/bcs_event.go b/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/bcs_event.go
index 4a84359be5..76f32ef67d 100644
--- a/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/bcs_event.go
+++ b/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/bcs_event.go
@@ -29,7 +29,7 @@ import (
 )
 
 const (
-	MaxEventQueueLength = 1024
+	MaxEventQueueLength = 10240
 )
 
 type bcsEventManager struct {
@@ -93,8 +93,10 @@ func (e *bcsEventManager) initCli() {
 
 // Send Event
 func (e *bcsEventManager) syncEvent(event *commtypes.BcsStorageEventIf) error {
-	blog.V(3).Infof("bcsEventManager syncEvent %v", event)
-
+	queue := len(e.eventQueue)
+	if queue>1024 {
+		blog.Infof("bcsEventManager syncEvent %v queue(%d)", event, len(e.eventQueue))
+	}
 	e.eventQueue <- event
 	return nil
 }
@@ -211,8 +213,13 @@ func (e *bcsEventManager) handleEvent(event *commtypes.BcsStorageEventIf) error
 	by, _ := json.Marshal(event)
 
 	uri := "events"
-
+	begin := time.Now().UnixNano() / 1e6
 	_, err := e.requestStorageV1("PUT", uri, by)
+	end := time.Now().UnixNano() / 1e6
+	useTime := end - begin
+	if useTime > 100 {
+		blog.Warnf("request storage event, %dms slow query", useTime)
+	}
 	return err
 }
 
diff --git a/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/scheduler.go b/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/scheduler.go
index c47e8fe2ba..20343a495e 100644
--- a/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/scheduler.go
+++ b/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/scheduler.go
@@ -1140,7 +1140,8 @@ func (s *Scheduler) produceEvent(object interface{}) error {
 		return fmt.Errorf("object type %s is invalid", btype.Name())
 	}
 
-	return s.eventManager.syncEvent(event)
+	go s.eventManager.syncEvent(event)
+	return nil
 }
 
 func (s *Scheduler) newTaskEvent(task *types.Task) *commtype.BcsStorageEventIf {
diff --git a/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/update.go b/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/update.go
index 9e183d743d..717c091f3a 100644
--- a/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/update.go
+++ b/bcs-mesos/bcs-scheduler/src/manager/sched/scheduler/update.go
@@ -34,6 +34,31 @@ import (
 // When scheduler receive a task status report messege, it will create a goroutine for process this message,
 // #lizard forgives StatusReport
 func (s *Scheduler) StatusReport(status *mesos.TaskStatus) {
+	blog.Infof("receive status(uuid:%s) report: task(%s) status(%s)",
+		status.GetUuid(), status.GetTaskId().GetValue(), status.GetState().String())
+	//ack mesos master the task status report
+	if status.GetUuid() != nil {
+		call := &sched.Call{
+			FrameworkId: s.framework.GetId(),
+			Type:        sched.Call_ACKNOWLEDGE.Enum(),
+			Acknowledge: &sched.Call_Acknowledge{
+				AgentId: status.GetAgentId(),
+				TaskId:  status.GetTaskId(),
+				Uuid:    status.GetUuid(),
+			},
+		}
+		// send call
+		resp, err := s.send(call)
+		if err != nil {
+			blog.Error("status report: Unable to send Acknowledge Call: %s ", err)
+			return
+		}
+		if resp.StatusCode != http.StatusAccepted {
+			blog.Error("status report: Acknowledge call returned unexpected status: %d", resp.StatusCode)
+			return
+		}
+		blog.Infof("send status(uuid:%s) task(%s) report acknowledge success", status.GetUuid(), status.GetTaskId().GetValue())
+	}
 
 	taskId := status.TaskId.GetValue()
 	taskGroupID := types.GetTaskGroupID(taskId)
@@ -50,6 +75,7 @@ func (s *Scheduler) StatusReport(status *mesos.TaskStatus) {
 		s.store.LockApplication(runAs + "." + appId)
 		defer s.store.UnLockApplication(runAs + "." + appId)
 	}
+	blog.Infof("status(uuid:%s) task(%s) Lock Appliation(%s.%s)", status.GetUuid(), taskId, runAs, appId)
 
 	// ack and check
 	if s.preCheckTaskStatusReport(status) == false {
@@ -93,7 +119,7 @@ func (s *Scheduler) StatusReport(status *mesos.TaskStatus) {
 		reportStatus = types.TASK_STATUS_FAIL
 		taskGroup, _ := s.store.FetchTaskGroup(taskGroupID)
 		if taskGroup != nil {
-			s.SendHealthMsg(alarm.WarnKind, taskGroup.RunAs, task.ID+"("+taskGroup.HostName+")"+" fail, message:"+status.GetMessage(), taskGroup.RunAs+"."+taskGroup.Name+"-task", &alarmTimeval)
+			go s.SendHealthMsg(alarm.WarnKind, taskGroup.RunAs, task.ID+"("+taskGroup.HostName+")"+" fail, message:"+status.GetMessage(), taskGroup.RunAs+"."+taskGroup.Name+"-task", &alarmTimeval)
 		}
 	case mesos.TaskState_TASK_KILLING:
 		blog.Info("status report: Task(%s) Killing, message: %s", taskId, status.GetMessage())
@@ -110,7 +136,7 @@ func (s *Scheduler) StatusReport(status *mesos.TaskStatus) {
 				//s.addLostSlave(taskGroup.HostName)
 				s.offerPool.AddLostSlave(taskGroup.HostName)
 			}
-			s.SendHealthMsg(alarm.WarnKind, taskGroup.RunAs, task.ID+"("+taskGroup.HostName+")"+" lost, message:"+status.GetMessage(), taskGroup.RunAs+"."+taskGroup.Name+"-task", &alarmTimeval)
+			go s.SendHealthMsg(alarm.WarnKind, taskGroup.RunAs, task.ID+"("+taskGroup.HostName+")"+" lost, message:"+status.GetMessage(), taskGroup.RunAs+"."+taskGroup.Name+"-task", &alarmTimeval)
 		}
 	case mesos.TaskState_TASK_ERROR:
 		blog.Info("status report: Task(%s) Error, message: %s", taskId, status.GetMessage())
@@ -325,29 +351,6 @@ func (s *Scheduler) checkApplicationChange(runAs, appId, taskGroupStatus string,
 }
 
 func (s *Scheduler) preCheckTaskStatusReport(status *mesos.TaskStatus) bool {
-	//ack mesos master the task status report
-	if status.GetUuid() != nil {
-		call := &sched.Call{
-			FrameworkId: s.framework.GetId(),
-			Type:        sched.Call_ACKNOWLEDGE.Enum(),
-			Acknowledge: &sched.Call_Acknowledge{
-				AgentId: status.GetAgentId(),
-				TaskId:  status.GetTaskId(),
-				Uuid:    status.GetUuid(),
-			},
-		}
-		// send call
-		resp, err := s.send(call)
-		if err != nil {
-			blog.Error("status report: Unable to send Acknowledge Call: %s ", err)
-			return false
-		}
-		if resp.StatusCode != http.StatusAccepted {
-			blog.Error("status report: Acknowledge call returned unexpected status: %d", resp.StatusCode)
-			return false
-		}
-	}
-
 	taskId := status.TaskId.GetValue()
 	state := status.GetState()
 	executorID := status.GetExecutorId()
diff --git a/bcs-mesos/bcs-scheduler/src/util/config.go b/bcs-mesos/bcs-scheduler/src/util/config.go
index 44e1d1c78e..89ded4cea4 100644
--- a/bcs-mesos/bcs-scheduler/src/util/config.go
+++ b/bcs-mesos/bcs-scheduler/src/util/config.go
@@ -46,6 +46,7 @@ type SchedulerOptions struct {
 	NetImage          string `json:"net_image" value:"" usage:"the network image"`
 	Kubeconfig        string `json:"kubeconfig" value:"" usage:"kubeconfig, when store_driver is etcd"`
 	StoreDriver       string `json:"store_driver" value:"zookeeper" usage:"the store driver, enum: zookeeper, etcd"`
+	DebugMode         bool   `json:"debug_mode" value:"false" usage:"Debug mode, use pprof."`
 }
 
 type SchedConfig struct {
@@ -84,6 +85,9 @@ type Scheduler struct {
 
 	Kubeconfig  string
 	StoreDriver string
+
+	//whether use pprof
+	DebugMode bool
 }
 
 type HttpListener struct {
@@ -170,6 +174,7 @@ func SetSchedulerCfg(config *SchedConfig, op *SchedulerOptions) {
 
 	config.Scheduler.Kubeconfig = op.Kubeconfig
 	config.Scheduler.StoreDriver = op.StoreDriver
+	config.Scheduler.DebugMode = op.DebugMode
 }
 
 func hostname() string {