diff --git a/src/share/scheduler/ob_tenant_dag_scheduler.cpp b/src/share/scheduler/ob_tenant_dag_scheduler.cpp
index 0330a690df..4baf03bfd0 100644
--- a/src/share/scheduler/ob_tenant_dag_scheduler.cpp
+++ b/src/share/scheduler/ob_tenant_dag_scheduler.cpp
@@ -3315,13 +3315,14 @@ bool ObDagPrioScheduler::try_switch(ObTenantDagWorker &worker)
     ObMutexGuard guard(prio_lock_);
     if (running_task_cnts_ > adaptive_task_limit_) {
       need_pause = true;
-      pause_worker_(worker);
-    }
-    if (is_rank_dag_prio()) {
-      need_pause = check_need_load_shedding_(false /*for_schedule*/);
+    } else if (is_rank_dag_prio() && check_need_load_shedding_(false /*for_schedule*/)) {
+      need_pause = true;
+      FLOG_INFO("[ADAPTIVE_SCHED]tenant cpu is at high level, pause current compaction task", K(priority_));
     }
 
-    if (!need_pause && !waiting_workers_.is_empty()) {
+    if (need_pause) {
+      pause_worker_(worker);
+    } else if (!waiting_workers_.is_empty()) {
       if (waiting_workers_.get_first()->need_wake_up()) {
         // schedule_one will schedule the first worker on the waiting list first
         if (OB_TMP_FAIL(schedule_one_())) {
diff --git a/src/storage/ob_tenant_tablet_stat_mgr.cpp b/src/storage/ob_tenant_tablet_stat_mgr.cpp
index 15ba8d3d64..684c9dafa1 100644
--- a/src/storage/ob_tenant_tablet_stat_mgr.cpp
+++ b/src/storage/ob_tenant_tablet_stat_mgr.cpp
@@ -557,8 +557,6 @@ int ObTenantSysLoadShedder::refresh_cpu_utility()
       inc_cpu_time = curr_cpu_time - last_cpu_time_;
       physical_cpu_utility = inc_cpu_time * 100 / (curr_sample_time - last_sample_time_);
     }
-    last_sample_time_ = curr_sample_time;
-    last_cpu_time_ = curr_cpu_time;
 
     if (physical_cpu_utility > max_cpu_cnt_ * 100) {
       ret = OB_ERR_UNEXPECTED;
@@ -567,25 +565,12 @@ int ObTenantSysLoadShedder::refresh_cpu_utility()
     } else if (physical_cpu_utility >= max_cpu_cnt_ * 100 * CPU_TIME_THRESHOLD) {
       ATOMIC_STORE(&load_shedding_factor_, DEFAULT_LOAD_SHEDDING_FACTOR);
       effect_time_ = ObTimeUtility::fast_current_time();
-      FLOG_INFO("[ADAPTIVE_SCHED] refresh cpu utility", K(ret), K(load_shedding_factor_), K(min_cpu_cnt_),
-          K(physical_cpu_utility), K(inc_cpu_time), K(curr_sample_time), K(last_sample_time_));
+      FLOG_INFO("[ADAPTIVE_SCHED] refresh cpu utility", K(ret), K(load_shedding_factor_), K(max_cpu_cnt_),
+          K(physical_cpu_utility), K(inc_cpu_time), K(curr_sample_time), K(last_sample_time_), K(curr_cpu_time), K(last_cpu_time_));
     }
-  }
-  return ret;
-}
 
-int ObTenantSysLoadShedder::refresh_cpu_usage()
-{
-  int ret = OB_SUCCESS;
-
-  // tenant_cpu_usage is a relatively large value, it includes the wait_time on lock, RPC, IO and so on.
-  if (OB_FAIL(GCTX.omt_->get_tenant_cpu_usage(MTL_ID(), cpu_usage_))) {
-    LOG_WARN("failed to get tenant cpu usage", K(ret));
-  } else if (cpu_usage_ * 100 >= max_cpu_cnt_ * CPU_USAGE_THRESHOLD) {
-    effect_time_ = ObTimeUtility::fast_current_time();
-    ATOMIC_STORE(&load_shedding_factor_, DEFAULT_LOAD_SHEDDING_FACTOR);
-
-    FLOG_INFO("[ADAPTIVE_SCHED] refresh cpu usage", K(ret), K(load_shedding_factor_), "cpu_usage_percent", cpu_usage_ * 100 * 100);
+    last_sample_time_ = curr_sample_time;
+    last_cpu_time_ = curr_cpu_time;
   }
   return ret;
 }
diff --git a/src/storage/ob_tenant_tablet_stat_mgr.h b/src/storage/ob_tenant_tablet_stat_mgr.h
index e57b7ca421..dd62b6c9e7 100644
--- a/src/storage/ob_tenant_tablet_stat_mgr.h
+++ b/src/storage/ob_tenant_tablet_stat_mgr.h
@@ -326,13 +326,11 @@ public:
   TO_STRING_KV(K_(load_shedding_factor), K_(last_cpu_time), K_(cpu_usage), K_(min_cpu_cnt), K_(max_cpu_cnt), K_(effect_time));
 private:
   int refresh_cpu_utility();
-  int refresh_cpu_usage();
 
 public:
   static const int64_t DEFAULT_LOAD_SHEDDING_FACTOR = 2;
   static const int64_t CPU_TIME_SAMPLING_INTERVAL = 20_s; //20 * 1000 * 1000 us
-  static constexpr double CPU_TIME_THRESHOLD = 0.6; // 60%
-  static constexpr double CPU_USAGE_THRESHOLD = 0.8; // 80%
+  static constexpr double CPU_TIME_THRESHOLD = 0.8; // 80%
   static const int64_t SHEDDER_EXPIRE_TIME = 2_min;
 private:
   int64_t effect_time_;