diff --git a/be/src/common/config.h b/be/src/common/config.h
index 42edb26fa7a10f..83dc17203a0ee9 100644
--- a/be/src/common/config.h
+++ b/be/src/common/config.h
@@ -292,10 +292,10 @@ namespace config {
     // rowset will be not given to base compaction. The unit is m byte.
     CONF_mInt64(cumulative_size_based_promotion_min_size_mbytes, "64");
     // The lower bound size to do cumulative compaction. When total disk size of candidate rowsets is less than 
-    // this size, size_based policy also does cumulative compaction. The unit is m byte.
+    // this size, size_based policy may not do to cumulative compaction. The unit is m byte.
     CONF_mInt64(cumulative_size_based_compaction_lower_size_mbytes, "64");
 
-    // cumulative compaction policy: max delta file's size unit:B
+    // cumulative compaction policy: min and max delta file's number
     CONF_mInt64(min_cumulative_compaction_num_singleton_deltas, "5");
     CONF_mInt64(max_cumulative_compaction_num_singleton_deltas, "1000");
     CONF_mInt64(cumulative_compaction_budgeted_bytes, "104857600");
diff --git a/be/src/olap/cumulative_compaction.cpp b/be/src/olap/cumulative_compaction.cpp
index c2c8755c694e6e..246098dadf4384 100755
--- a/be/src/olap/cumulative_compaction.cpp
+++ b/be/src/olap/cumulative_compaction.cpp
@@ -44,7 +44,7 @@ OLAPStatus CumulativeCompaction::compact() {
     // 1.calculate cumulative point
     _tablet->calculate_cumulative_point();
     TRACE("calculated cumulative point");
-    LOG(INFO) << "after calculate, current cumulative point is " << _tablet->cumulative_layer_point() 
+    VLOG(1) << "after calculate, current cumulative point is " << _tablet->cumulative_layer_point() 
         << ", tablet=" << _tablet->full_name() ;
 
     // 2. pick rowsets to compact
diff --git a/be/src/olap/cumulative_compaction_policy.cpp b/be/src/olap/cumulative_compaction_policy.cpp
index 2e28c58af57dec..22ebd9836caa6b 100644
--- a/be/src/olap/cumulative_compaction_policy.cpp
+++ b/be/src/olap/cumulative_compaction_policy.cpp
@@ -270,7 +270,7 @@ int SizeBasedCumulativeCompactionPolicy::pick_input_rowsets(
         rs_iter = input_rowsets->erase(rs_iter);
     }
 
-    LOG(INFO) << "cumulative compaction size_based policy, compaction_score = " << *compaction_score
+    VLOG(1) << "cumulative compaction size_based policy, compaction_score = " << *compaction_score
               << ", total_size = " << total_size
               << ", calc promotion size value = " << promotion_size
               << ", tablet = " << tablet->full_name() << ", input_rowset size "
@@ -467,4 +467,4 @@ void CumulativeCompactionPolicyFactory::_parse_cumulative_compaction_policy(std:
         *policy_type = NUM_BASED_POLICY;
     }
 }
-}
\ No newline at end of file
+}
diff --git a/be/src/olap/olap_server.cpp b/be/src/olap/olap_server.cpp
index 57ed54d58a75c0..d7dc38c851a355 100644
--- a/be/src/olap/olap_server.cpp
+++ b/be/src/olap/olap_server.cpp
@@ -351,6 +351,12 @@ void StorageEngine::_compaction_tasks_producer_callback() {
             for (const auto& tablet : tablets_compaction) {
                 int64_t permits = tablet->calc_compaction_score(compaction_type);
                 if (_permit_limiter.request(permits)) {
+                    {
+                        // Push to _tablet_submitted_compaction before submitting task
+                        std::unique_lock<std::mutex> lock(_tablet_submitted_compaction_mutex);
+                        _tablet_submitted_compaction[tablet->data_dir()].emplace_back(
+                                tablet->tablet_id());
+                    }
                     if (compaction_type == CompactionType::CUMULATIVE_COMPACTION) {
                         _compaction_thread_pool->submit_func([=]() {
                             CgroupsMgr::apply_system_cgroup();
@@ -386,9 +392,6 @@ void StorageEngine::_compaction_tasks_producer_callback() {
                             }
                         });
                     }
-                    std::unique_lock<std::mutex> lock(_tablet_submitted_compaction_mutex);
-                    _tablet_submitted_compaction[tablet->data_dir()].emplace_back(
-                            tablet->tablet_id());
                 }
             }
         } else {
diff --git a/be/src/olap/tablet_manager.cpp b/be/src/olap/tablet_manager.cpp
index bf7d09890dac89..a6ddd48d10e502 100644
--- a/be/src/olap/tablet_manager.cpp
+++ b/be/src/olap/tablet_manager.cpp
@@ -766,6 +766,7 @@ TabletSharedPtr TabletManager::find_best_tablet_to_compaction(
         VLOG(1) << "Found the best tablet for compaction. "
                   << "compaction_type=" << compaction_type_str
                   << ", tablet_id=" << best_tablet->tablet_id()
+                  << ", path=" << data_dir->path()
                   << ", highest_score=" << highest_score;
         // TODO(lingbin): Remove 'max' from metric name, it would be misunderstood as the
         // biggest in history(like peak), but it is really just the value at current moment.