diff --git a/Makefile.common b/Makefile.common
index 10854fc682e10edfda61008f443e0513c8c105b6..6e412cada2c26dec7a37ab4ec172e482827148a5 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -11,7 +11,6 @@ GOCOVERAGE_FILE := tests/coverage.out
 GOCOVERAGE_REPORT := tests/coverage-report
 GOTEST          := OB_AGENT_CONFIG_PATH=$(PWD) $(GO) test -tags test -covermode=count -coverprofile=$(GOCOVERAGE_FILE) -p $(PROCESSOR)
 
-GO_RACE_FLAG =-race
 LDFLAGS += -X "github.com/oceanbase/obagent/config.AgentVersion=${VERSION}"
 #LDFLAGS += -X "github.com/oceanbase/obagent/config.ReleaseVersion=$(shell git describe --tags --dirty --always)"
 LDFLAGS += -X "github.com/oceanbase/obagent/config.BuildTimestamp=$(shell date -u '+%Y-%m-%d %H:%M:%S')"
diff --git a/cmd/monagent/main.go b/cmd/monagent/main.go
index 9a078d4982fbb2d8e25bd63fa4798261121faac4..0f79d479fdb292ca07378387687de7b03a9ec897 100644
--- a/cmd/monagent/main.go
+++ b/cmd/monagent/main.go
@@ -17,6 +17,8 @@ import (
 	"os"
 	"time"
 
+	"runtime/debug"
+
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
@@ -48,6 +50,8 @@ var (
 )
 
 func init() {
+	debug.SetGCPercent(config.GCPercent)
+
 	// monagent server config file
 	monagentCommand.PersistentFlags().StringP("config", "c", "conf/monagent.yaml", "config file")
 	// plugins config use dir, all yaml files in the dir will be used as plugin config file
diff --git a/config/config_common.go b/config/config_common.go
index 9293660350e47f665393e698db28cb0558cefe72..6313ffda66727cb0f74d36899ced2831b899cb24 100644
--- a/config/config_common.go
+++ b/config/config_common.go
@@ -28,6 +28,7 @@ type Process = string
 
 const (
 	ProcessMonitorAgent Process = "monagent"
+	GCPercent           int     = 500
 )
 
 type InstallConfig struct {