diff --git a/src/share/cache/ob_kv_storecache.cpp b/src/share/cache/ob_kv_storecache.cpp
index 1f38067b45..86701b0099 100644
--- a/src/share/cache/ob_kv_storecache.cpp
+++ b/src/share/cache/ob_kv_storecache.cpp
@@ -740,22 +740,22 @@ int ObKVGlobalCache::reload_wash_interval()
     bool is_exist = false;
     if (OB_FAIL(TG_TASK_EXIST(lib::TGDefIDs::KVCacheWash, wash_task_, is_exist))) {
       COMMON_LOG(ERROR, "failed to check wash task exist", K(ret));
-    } else if (is_exist) {
-      TG_CANCEL(lib::TGDefIDs::KVCacheWash, wash_task_);
+    } else if (is_exist && OB_FAIL(TG_CANCEL_R(lib::TGDefIDs::KVCacheWash, wash_task_))) {
+      COMMON_LOG(WARN, "failed to cancel wash task", K(ret));
+    } else if (OB_FAIL(TG_SCHEDULE(lib::TGDefIDs::KVCacheWash, wash_task_, wash_interval, true))) {
+      COMMON_LOG(ERROR, "failed to schedule wash task", K(ret));
     }
+
     is_exist = false;
     if (OB_FAIL(ret)) {
     } else if (OB_FAIL(TG_TASK_EXIST(lib::TGDefIDs::KVCacheRep, replace_task_, is_exist))) {
       COMMON_LOG(ERROR, "failed to check replace task exist", K(ret));
-    } else if (is_exist) {
-      TG_CANCEL(lib::TGDefIDs::KVCacheRep, replace_task_);
-    }
-    if (OB_FAIL(ret)) {
-    } else if (OB_FAIL(TG_SCHEDULE(lib::TGDefIDs::KVCacheWash, wash_task_, wash_interval, true))) {
-      COMMON_LOG(ERROR, "failed to schedule wash task", K(ret));
+    } else if (is_exist && OB_FAIL(TG_CANCEL_R(lib::TGDefIDs::KVCacheRep, replace_task_))) {
+      COMMON_LOG(WARN, "failed to cancel replace task", K(ret));
     } else if (OB_FAIL(TG_SCHEDULE(lib::TGDefIDs::KVCacheRep, replace_task_, wash_interval, true))) {
       COMMON_LOG(ERROR, "failed to schedule replace task", K(ret));
-    } else {
+    }
+    if (OB_SUCC(ret)) {
       COMMON_LOG(INFO, "success to reload_wash_interval", K(wash_interval));
     }
   } else if (!inited_) {
diff --git a/src/share/parameter/ob_parameter_seed.ipp b/src/share/parameter/ob_parameter_seed.ipp
index 02e982804a..a431b51185 100644
--- a/src/share/parameter/ob_parameter_seed.ipp
+++ b/src/share/parameter/ob_parameter_seed.ipp
@@ -746,6 +746,9 @@ DEF_BOOL(_enable_parallel_minor_merge, OB_TENANT_PARAMETER, "True",
          "specifies whether enable parallel minor merge. "
          "Value: True:turned on;  False: turned off",
          ObParameterAttr(Section::TENANT, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
+DEF_BOOL(_enable_adaptive_compaction, OB_TENANT_PARAMETER, "True",
+         "specifies whether allow adaptive compaction schedule and information collection",
+         ObParameterAttr(Section::TENANT, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
 DEF_INT(compaction_low_thread_score, OB_TENANT_PARAMETER, "0", "[0,100]",
         "the current work thread score of low priority compaction. Range: [0,100] in integer. Especially, 0 means default value",
         ObParameterAttr(Section::TENANT, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
diff --git a/src/share/scheduler/ob_dag_scheduler.cpp b/src/share/scheduler/ob_dag_scheduler.cpp
index 62f40592de..bfa288a148 100644
--- a/src/share/scheduler/ob_dag_scheduler.cpp
+++ b/src/share/scheduler/ob_dag_scheduler.cpp
@@ -583,7 +583,7 @@ int ObIDag::get_next_ready_task(ObITask *&task)
   if (ObIDag::DAG_STATUS_NODE_RUNNING == dag_status_) {
     ObITask *cur_task = task_list_.get_first();
     const ObITask *head = task_list_.get_header();
-    while (!found && head != cur_task) {
+    while (!found && head != cur_task && nullptr != cur_task) {
       if (0 == cur_task->get_indegree()
           && (ObITask::TASK_STATUS_WAITING == cur_task->get_status()
               || ObITask::TASK_STATUS_RETRY == cur_task->get_status())) {
diff --git a/src/storage/access/ob_multiple_merge.h b/src/storage/access/ob_multiple_merge.h
index 254840fd6b..a72c235a4a 100644
--- a/src/storage/access/ob_multiple_merge.h
+++ b/src/storage/access/ob_multiple_merge.h
@@ -170,25 +170,34 @@ OB_INLINE int ObMultipleMerge::check_need_refresh_table(bool &need_refresh)
 OB_INLINE int ObMultipleMerge::update_and_report_tablet_stat()
 {
   int ret = OB_SUCCESS;
-  EVENT_ADD(ObStatEventIds::STORAGE_READ_ROW_COUNT, scan_cnt_);
-  access_ctx_->table_store_stat_.access_row_cnt_ += row_stat_.filt_del_count_;
-  if (NULL != access_ctx_->table_scan_stat_) {
-    access_ctx_->table_scan_stat_->access_row_cnt_ += row_stat_.filt_del_count_;
-    access_ctx_->table_scan_stat_->rowkey_prefix_ = access_ctx_->table_store_stat_.rowkey_prefix_;
-    access_ctx_->table_scan_stat_->bf_filter_cnt_ += access_ctx_->table_store_stat_.bf_filter_cnt_;
-    access_ctx_->table_scan_stat_->bf_access_cnt_ += access_ctx_->table_store_stat_.bf_access_cnt_;
-    access_ctx_->table_scan_stat_->empty_read_cnt_ += access_ctx_->table_store_stat_.get_empty_read_cnt();
-    access_ctx_->table_scan_stat_->fuse_row_cache_hit_cnt_ += access_ctx_->table_store_stat_.fuse_row_cache_hit_cnt_;
-    access_ctx_->table_scan_stat_->fuse_row_cache_miss_cnt_ += access_ctx_->table_store_stat_.fuse_row_cache_miss_cnt_;
-    access_ctx_->table_scan_stat_->block_cache_hit_cnt_ += access_ctx_->table_store_stat_.block_cache_hit_cnt_;
-    access_ctx_->table_scan_stat_->block_cache_miss_cnt_ += access_ctx_->table_store_stat_.block_cache_miss_cnt_;
-    access_ctx_->table_scan_stat_->row_cache_hit_cnt_ += access_ctx_->table_store_stat_.row_cache_hit_cnt_;
-    access_ctx_->table_scan_stat_->row_cache_miss_cnt_ += access_ctx_->table_store_stat_.row_cache_miss_cnt_;
+  bool enable_adaptive_compaction = true;
+  {
+    omt::ObTenantConfigGuard tenant_config(TENANT_CONF(MTL_ID()));
+    if (tenant_config.is_valid()) {
+      enable_adaptive_compaction = tenant_config->_enable_adaptive_compaction;
+    }
   }
-  if (lib::is_diagnose_info_enabled()) {
-    collect_merge_stat(access_ctx_->table_store_stat_);
+  if (enable_adaptive_compaction) {
+    EVENT_ADD(ObStatEventIds::STORAGE_READ_ROW_COUNT, scan_cnt_);
+    access_ctx_->table_store_stat_.access_row_cnt_ += row_stat_.filt_del_count_;
+    if (NULL != access_ctx_->table_scan_stat_) {
+      access_ctx_->table_scan_stat_->access_row_cnt_ += row_stat_.filt_del_count_;
+      access_ctx_->table_scan_stat_->rowkey_prefix_ = access_ctx_->table_store_stat_.rowkey_prefix_;
+      access_ctx_->table_scan_stat_->bf_filter_cnt_ += access_ctx_->table_store_stat_.bf_filter_cnt_;
+      access_ctx_->table_scan_stat_->bf_access_cnt_ += access_ctx_->table_store_stat_.bf_access_cnt_;
+      access_ctx_->table_scan_stat_->empty_read_cnt_ += access_ctx_->table_store_stat_.get_empty_read_cnt();
+      access_ctx_->table_scan_stat_->fuse_row_cache_hit_cnt_ += access_ctx_->table_store_stat_.fuse_row_cache_hit_cnt_;
+      access_ctx_->table_scan_stat_->fuse_row_cache_miss_cnt_ += access_ctx_->table_store_stat_.fuse_row_cache_miss_cnt_;
+      access_ctx_->table_scan_stat_->block_cache_hit_cnt_ += access_ctx_->table_store_stat_.block_cache_hit_cnt_;
+      access_ctx_->table_scan_stat_->block_cache_miss_cnt_ += access_ctx_->table_store_stat_.block_cache_miss_cnt_;
+      access_ctx_->table_scan_stat_->row_cache_hit_cnt_ += access_ctx_->table_store_stat_.row_cache_hit_cnt_;
+      access_ctx_->table_scan_stat_->row_cache_miss_cnt_ += access_ctx_->table_store_stat_.row_cache_miss_cnt_;
+    }
+    if (lib::is_diagnose_info_enabled()) {
+      collect_merge_stat(access_ctx_->table_store_stat_);
+    }
+    report_tablet_stat();
   }
-  report_tablet_stat();
   return ret;
 }
 
diff --git a/src/storage/blocksstable/ob_sstable_sec_meta_iterator.cpp b/src/storage/blocksstable/ob_sstable_sec_meta_iterator.cpp
index 4f1a475a0e..d62a3b6f38 100644
--- a/src/storage/blocksstable/ob_sstable_sec_meta_iterator.cpp
+++ b/src/storage/blocksstable/ob_sstable_sec_meta_iterator.cpp
@@ -142,7 +142,6 @@ int ObSSTableSecMetaIterator::open(
 
     if (OB_FAIL(ret) || is_prefetch_end_) {
     } else if (OB_UNLIKELY(start_key_beyond_range)) {
-      is_inited_ = true;
       set_iter_end();
       is_inited_ = true;
     }
diff --git a/src/storage/compaction/ob_medium_compaction_func.cpp b/src/storage/compaction/ob_medium_compaction_func.cpp
index 286b1274af..0114f15732 100644
--- a/src/storage/compaction/ob_medium_compaction_func.cpp
+++ b/src/storage/compaction/ob_medium_compaction_func.cpp
@@ -710,7 +710,7 @@ int ObMediumCompactionScheduleFunc::schedule_tablet_medium_merge(
   bool need_merge = false;
   LOG_DEBUG("schedule_tablet_medium_merge", K(schedule_scn), K(ls_id), K(tablet_id));
   if (schedule_scn > 0) {
-    if (OB_FAIL(check_need_merge_and_schedule(ls_id, tablet, schedule_scn, need_merge))) {
+    if (OB_FAIL(check_need_merge_and_schedule(ls, tablet, schedule_scn, need_merge))) {
       LOG_WARN("failed to check medium merge", K(ret), K(ls_id), K(tablet_id), K(schedule_scn));
     }
   }
@@ -773,7 +773,7 @@ int ObMediumCompactionScheduleFunc::freeze_memtable_to_get_medium_info()
 }
 
 int ObMediumCompactionScheduleFunc::check_need_merge_and_schedule(
-    const ObLSID &ls_id,
+    ObLS &ls,
     ObTablet &tablet,
     const int64_t schedule_scn,
     bool &need_merge)
@@ -784,6 +784,7 @@ int ObMediumCompactionScheduleFunc::check_need_merge_and_schedule(
   bool can_merge = false;
 
   if (OB_FAIL(ObPartitionMergePolicy::check_need_medium_merge(
+          ls,
           tablet,
           schedule_scn,
           need_merge,
@@ -794,7 +795,7 @@ int ObMediumCompactionScheduleFunc::check_need_merge_and_schedule(
     if (OB_FAIL(tablet.get_medium_compaction_info_list().get_specified_scn_info(schedule_scn, medium_info))) {
       LOG_WARN("failed to get specified scn info", K(ret), K(schedule_scn));
     } else if (OB_TMP_FAIL(ObTenantTabletScheduler::schedule_merge_dag(
-            ls_id,
+            ls.get_ls_id(),
             tablet.get_tablet_meta().tablet_id_,
             MEDIUM_MERGE,
             schedule_scn,
diff --git a/src/storage/compaction/ob_medium_compaction_func.h b/src/storage/compaction/ob_medium_compaction_func.h
index 0ca38edae0..eadc28a48f 100644
--- a/src/storage/compaction/ob_medium_compaction_func.h
+++ b/src/storage/compaction/ob_medium_compaction_func.h
@@ -91,7 +91,7 @@ protected:
       ObMediumCompactionInfo &medium_info,
       ObGetMergeTablesResult &result);
   static int check_need_merge_and_schedule(
-      const share::ObLSID &ls_id,
+      ObLS &ls,
       ObTablet &tablet,
       const int64_t schedule_scn,
       bool &need_merge);
diff --git a/src/storage/compaction/ob_partition_merge_policy.cpp b/src/storage/compaction/ob_partition_merge_policy.cpp
index 8a3c404e81..7e03b90303 100644
--- a/src/storage/compaction/ob_partition_merge_policy.cpp
+++ b/src/storage/compaction/ob_partition_merge_policy.cpp
@@ -27,6 +27,7 @@
 #include "storage/compaction/ob_tenant_compaction_progress.h"
 #include "observer/omt/ob_tenant_config_mgr.h"
 #include "share/scn.h"
+#include "storage/compaction/ob_tenant_tablet_scheduler.h"
 
 using namespace oceanbase;
 using namespace common;
@@ -859,6 +860,7 @@ int ObPartitionMergePolicy::refine_minor_merge_result(
 
 // call this func means have serialized medium compaction clog = medium_snapshot
 int ObPartitionMergePolicy::check_need_medium_merge(
+    ObLS &ls,
     storage::ObTablet &tablet,
     const int64_t medium_snapshot,
     bool &need_merge,
@@ -877,7 +879,8 @@ int ObPartitionMergePolicy::check_need_medium_merge(
     need_merge = last_major->get_snapshot_version() < medium_snapshot;
     if (need_merge
         && is_tablet_data_status_complete
-        && tablet.get_tablet_meta().max_serialized_medium_scn_ >= medium_snapshot) {
+        && tablet.get_tablet_meta().max_serialized_medium_scn_ >= medium_snapshot
+        && ObTenantTabletScheduler::check_weak_read_ts_ready(medium_snapshot, ls)) {
       can_merge = true;
     }
   }
diff --git a/src/storage/compaction/ob_partition_merge_policy.h b/src/storage/compaction/ob_partition_merge_policy.h
index 814c700b02..1664b42014 100644
--- a/src/storage/compaction/ob_partition_merge_policy.h
+++ b/src/storage/compaction/ob_partition_merge_policy.h
@@ -71,6 +71,7 @@ public:
       const storage::ObTablet &tablet,
       storage::ObGetMergeTablesResult &result);
    static int check_need_medium_merge(
+      ObLS &ls,
       storage::ObTablet &tablet,
       const int64_t medium_snapshot,
       bool &need_merge,
diff --git a/src/storage/compaction/ob_tablet_merge_task.cpp b/src/storage/compaction/ob_tablet_merge_task.cpp
index a4af2facc0..8ecb676f49 100644
--- a/src/storage/compaction/ob_tablet_merge_task.cpp
+++ b/src/storage/compaction/ob_tablet_merge_task.cpp
@@ -1281,11 +1281,17 @@ int ObTabletMergeFinishTask::try_schedule_compaction_after_mini(
   int tmp_ret = OB_SUCCESS;
   const ObTabletID &tablet_id = ctx.param_.tablet_id_;
   ObLSID ls_id = ctx.param_.ls_id_;
-
+  bool enable_adaptive_compaction = true;
+  {
+    omt::ObTenantConfigGuard tenant_config(TENANT_CONF(MTL_ID()));
+    if (tenant_config.is_valid()) {
+      enable_adaptive_compaction = tenant_config->_enable_adaptive_compaction;
+    }
+  }
   // report tablet stat
   if (0 == ctx.get_merge_info().get_sstable_merge_info().macro_block_count_) {
     // empty mini compaction, no need to reprot stat
-  } else if (OB_TMP_FAIL(try_report_tablet_stat_after_mini(ctx))) {
+  } else if (enable_adaptive_compaction && OB_TMP_FAIL(try_report_tablet_stat_after_mini(ctx))) {
     LOG_WARN("failed to report table stat after mini compaction", K(tmp_ret), K(ls_id), K(tablet_id));
   }
   if (OB_TMP_FAIL(ObMediumCompactionScheduleFunc::schedule_tablet_medium_merge(
diff --git a/src/storage/compaction/ob_tenant_tablet_scheduler.cpp b/src/storage/compaction/ob_tenant_tablet_scheduler.cpp
index effbec878c..f5644cc305 100644
--- a/src/storage/compaction/ob_tenant_tablet_scheduler.cpp
+++ b/src/storage/compaction/ob_tenant_tablet_scheduler.cpp
@@ -274,8 +274,13 @@ int ObTenantTabletScheduler::reload_tenant_config()
   } else if (is_stop_) {
     // do nothing
   } else if (schedule_interval_ != merge_schedule_interval) {
-    if (OB_FAIL(restart_schedule_timer_task(merge_schedule_interval))) {
+    if (OB_FAIL(restart_schedule_timer_task(merge_schedule_interval, medium_loop_tg_id_, medium_loop_task_))) {
       LOG_WARN("failed to reload new merge schedule interval", K(merge_schedule_interval));
+    } else if (OB_FAIL(restart_schedule_timer_task(merge_schedule_interval, merge_loop_tg_id_, merge_loop_task_))) {
+      LOG_WARN("failed to reload new merge schedule interval", K(merge_schedule_interval));
+    } else {
+      schedule_interval_ = merge_schedule_interval;
+      LOG_INFO("succeeded to reload new merge schedule interval", K(merge_schedule_interval));
     }
   }
   return ret;
@@ -522,7 +527,7 @@ int ObTenantTabletScheduler::schedule_merge(const int64_t broadcast_version)
         "last_merged_version",
         merged_version_);
 
-    if (OB_FAIL(restart_schedule_timer_task(CHECK_WEAK_READ_TS_SCHEDULE_INTERVAL))) {
+    if (OB_FAIL(restart_schedule_timer_task(CHECK_WEAK_READ_TS_SCHEDULE_INTERVAL, medium_loop_tg_id_, medium_loop_task_))) {
       LOG_WARN("failed to restart schedule timer task", K(ret));
     }
   }
@@ -870,6 +875,13 @@ int ObTenantTabletScheduler::schedule_ls_medium_merge(
     bool is_leader = false;
     bool could_major_merge = false;
     const int64_t major_frozen_scn = get_frozen_version();
+    bool enable_adaptive_compaction = true;
+    {
+      omt::ObTenantConfigGuard tenant_config(TENANT_CONF(MTL_ID()));
+      if (tenant_config.is_valid()) {
+        enable_adaptive_compaction = tenant_config->_enable_adaptive_compaction;
+      }
+    }
 
     if (MTL(ObTenantTabletScheduler *)->could_major_merge_start()) {
       could_major_merge = true;
@@ -933,12 +945,14 @@ int ObTenantTabletScheduler::schedule_ls_medium_merge(
           } else if (ObTimeUtility::fast_current_time() <
               tablet->get_medium_compaction_info_list().get_wait_check_medium_scn() + WAIT_MEDIUM_CHECK_THRESHOLD) {
             // need wait 10 mins before schedule meta major
-          } else if (OB_TMP_FAIL(schedule_tablet_meta_major_merge(ls_handle, tablet_handle))) {
+          } else if (enable_adaptive_compaction && OB_TMP_FAIL(schedule_tablet_meta_major_merge(ls_handle, tablet_handle))) {
             if (OB_SIZE_OVERFLOW != tmp_ret && OB_EAGAIN != tmp_ret) {
               LOG_WARN("failed to schedule tablet merge", K(tmp_ret), K(ls_id), K(tablet_id));
             }
           }
-        } else if (could_major_merge && OB_TMP_FAIL(func.schedule_next_medium_for_leader(
+        } else if (could_major_merge
+          && (!tablet_merge_finish || enable_adaptive_compaction)
+          && OB_TMP_FAIL(func.schedule_next_medium_for_leader(
             tablet_merge_finish ? 0 : merge_version))) { // schedule another round
           LOG_WARN("failed to schedule next medium", K(tmp_ret), K(ls_id), K(tablet_id));
         } else {
@@ -1050,8 +1064,8 @@ int ObTenantTabletScheduler::schedule_all_tablets_medium()
         }
       } else {
         schedule_stats_.check_weak_read_ts_cnt_++;
-        if (OB_FAIL(restart_schedule_timer_task(CHECK_WEAK_READ_TS_SCHEDULE_INTERVAL))) {
-          LOG_WARN("failed to restart schedule timer task", K(ret));
+        if (OB_FAIL(restart_schedule_timer_task(CHECK_WEAK_READ_TS_SCHEDULE_INTERVAL, medium_loop_tg_id_, medium_loop_task_))) {
+          LOG_WARN("failed to restart schedule timer task", K(ret), K(medium_loop_tg_id_));
         }
       }
 
@@ -1097,21 +1111,19 @@ int ObTenantTabletScheduler::schedule_all_tablets_medium()
   return ret;
 }
 
-int ObTenantTabletScheduler::restart_schedule_timer_task(const int64_t schedule_interval)
+int ObTenantTabletScheduler::restart_schedule_timer_task(
+  const int64_t schedule_interval,
+  const int64_t tg_id,
+  common::ObTimerTask &timer_task)
 {
   int ret = OB_SUCCESS;
   bool is_exist = false;
   if (OB_FAIL(TG_TASK_EXIST(medium_loop_tg_id_, medium_loop_task_, is_exist))) {
     LOG_ERROR("failed to check merge schedule task exist", K(ret));
-  } else if (is_exist) {
-    TG_CANCEL(medium_loop_tg_id_, medium_loop_task_);
-  }
-  if (OB_FAIL(ret)) {
+  } else if (is_exist && OB_FAIL(TG_CANCEL_R(medium_loop_tg_id_, medium_loop_task_))) {
+    LOG_WARN("failed to cancel task", K(ret));
   } else if (OB_FAIL(TG_SCHEDULE(medium_loop_tg_id_, medium_loop_task_, schedule_interval, true/*repeat*/))) {
     LOG_WARN("Fail to schedule minor merge scan task", K(ret));
-  } else {
-    schedule_interval_ = schedule_interval;
-    LOG_INFO("succeeded to reload new merge schedule interval", K(schedule_interval));
   }
   return ret;
 }
diff --git a/src/storage/compaction/ob_tenant_tablet_scheduler.h b/src/storage/compaction/ob_tenant_tablet_scheduler.h
index bb95767d7a..7f17bcfe24 100644
--- a/src/storage/compaction/ob_tenant_tablet_scheduler.h
+++ b/src/storage/compaction/ob_tenant_tablet_scheduler.h
@@ -166,7 +166,10 @@ private:
   int schedule_ls_minor_merge(
       ObLS &ls);
   int try_remove_old_table(ObLS &ls);
-  int restart_schedule_timer_task(const int64_t interval);
+  int restart_schedule_timer_task(
+    const int64_t interval,
+    const int64_t tg_id,
+    common::ObTimerTask &timer_task);
   int update_report_scn_as_ls_leader(
       ObLS &ls);
 
diff --git a/src/storage/ob_storage_schema_recorder.cpp b/src/storage/ob_storage_schema_recorder.cpp
index dffc3fa75c..0c0617d130 100644
--- a/src/storage/ob_storage_schema_recorder.cpp
+++ b/src/storage/ob_storage_schema_recorder.cpp
@@ -152,6 +152,8 @@ int ObStorageSchemaRecorder::inner_replay_clog(
   } else if (OB_FAIL(tmp_tablet_handle.get_obj()->save_multi_source_data_unit(&replay_storage_schema, scn,
       true/*for_replay*/, memtable::MemtableRefOp::NONE))) {
     LOG_WARN("failed to save storage schema", K(ret), K_(tablet_id), K(replay_storage_schema));
+  } else {
+    LOG_INFO("success to replay schema clog", K(ret), K(replay_storage_schema.get_schema_version()), K(replay_storage_schema.compat_mode_));
   }
   replay_storage_schema.reset();
   tmp_tablet_handle.reset();
diff --git a/src/storage/tablet/ob_tablet.cpp b/src/storage/tablet/ob_tablet.cpp
index d5c8c580be..b2d752cd38 100644
--- a/src/storage/tablet/ob_tablet.cpp
+++ b/src/storage/tablet/ob_tablet.cpp
@@ -1487,8 +1487,17 @@ int ObTablet::do_rowkey_exists(
         // ROWKEY IN_ROW_CACHE / NOT EXIST
       } else if (FALSE_IT(store_ctx.tablet_stat_.exist_row_read_table_cnt_ = check_table_cnt)) {
       } else if (FALSE_IT(store_ctx.tablet_stat_.exist_row_total_table_cnt_ = table_iter.count())) {
-      } else if (OB_TMP_FAIL(MTL(ObTenantTabletStatMgr *)->report_stat(store_ctx.tablet_stat_))) {
-        LOG_WARN("failed to report tablet stat", K(tmp_ret), K(stat));
+      } else {
+        bool enable_adaptive_compaction = true;
+        {
+          omt::ObTenantConfigGuard tenant_config(TENANT_CONF(MTL_ID()));
+          if (tenant_config.is_valid()) {
+            enable_adaptive_compaction = tenant_config->_enable_adaptive_compaction;
+          }
+        }
+        if (enable_adaptive_compaction && OB_TMP_FAIL(MTL(ObTenantTabletStatMgr *)->report_stat(store_ctx.tablet_stat_))) {
+          LOG_WARN("failed to report tablet stat", K(tmp_ret), K(stat));
+        }
       }
     }
 
@@ -1539,8 +1548,17 @@ int ObTablet::do_rowkeys_exist(ObTableStoreIterator &tables_iter, ObRowsInfo &ro
     int tmp_ret = OB_SUCCESS;
     if (0 == access_ctx.table_store_stat_.exist_row_.empty_read_cnt_) {
       // ROWKEY IN_ROW_CACHE / NOT EXIST
-    } else if (OB_TMP_FAIL(MTL(ObTenantTabletStatMgr *)->report_stat(tablet_stat))) {
-      LOG_WARN("failed to report tablet stat", K(tmp_ret), K(tablet_stat));
+    } else {
+      bool enable_adaptive_compaction = true;
+      {
+        omt::ObTenantConfigGuard tenant_config(TENANT_CONF(MTL_ID()));
+        if (tenant_config.is_valid()) {
+          enable_adaptive_compaction = tenant_config->_enable_adaptive_compaction;
+        }
+      }
+      if (enable_adaptive_compaction && OB_TMP_FAIL(MTL(ObTenantTabletStatMgr *)->report_stat(tablet_stat))) {
+        LOG_WARN("failed to report tablet stat", K(tmp_ret), K(tablet_stat));
+      }
     }
   }
   return ret;
@@ -2451,7 +2469,7 @@ int ObTablet::get_kept_multi_version_start(
   uint64_t compat_version = 0;
   if (OB_TMP_FAIL(GET_MIN_DATA_VERSION(MTL_ID(), compat_version))) {
     LOG_WARN("fail to get data version", K(tmp_ret));
-  } else if (compat_version >= DATA_VERSION_4_1_0_0) {
+  } else if (compat_version >= DATA_VERSION_4_1_0_0 && ls.get_min_reserved_snapshot() > 0) {
     ls_min_reserved_snapshot = ls.get_min_reserved_snapshot();
   }
   if (OB_SUCC(ret)) {
diff --git a/src/storage/tablet/ob_tablet_memtable_mgr.cpp b/src/storage/tablet/ob_tablet_memtable_mgr.cpp
index e5012720dc..91b16c7841 100644
--- a/src/storage/tablet/ob_tablet_memtable_mgr.cpp
+++ b/src/storage/tablet/ob_tablet_memtable_mgr.cpp
@@ -129,6 +129,9 @@ int ObTabletMemtableMgr::init_storage_recorder(
     TRANS_LOG(WARN, "failed to init schema recorder", K(ret), K(max_saved_schema_version), KP(log_handler));
   } else if (OB_FAIL(medium_info_recorder_.init(ls_id, tablet_id, max_saved_medium_scn, log_handler))) {
     TRANS_LOG(WARN, "failed to init medium info recorder", K(ret), K(max_saved_medium_scn), KP(log_handler));
+  } else {
+    TRANS_LOG(INFO, "success to init storage recorder", K(ret), K(ls_id), K(tablet_id), K(max_saved_schema_version),
+      K(max_saved_medium_scn), K(compat_mode));
   }
   return ret;
 }
diff --git a/tools/deploy/init_for_ce.sql b/tools/deploy/init_for_ce.sql
index 6f21518dae..2f22a469d4 100644
--- a/tools/deploy/init_for_ce.sql
+++ b/tools/deploy/init_for_ce.sql
@@ -27,3 +27,4 @@ alter tenant mysql set variables ob_enable_truncate_flashback = 'on';
 alter system set ob_compaction_schedule_interval = '10s' tenant all;
 alter system set merger_check_interval = '10s' tenant all;
 alter system set enable_sql_extension=true tenant all;
+alter system set _enable_adaptive_compaction = false tenant all;
diff --git a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/all_virtual_sys_parameter_stat.result b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/all_virtual_sys_parameter_stat.result
index da0dfbd461..24b02619c0 100644
--- a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/all_virtual_sys_parameter_stat.result
+++ b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/all_virtual_sys_parameter_stat.result
@@ -228,6 +228,7 @@ _cache_wash_interval
 _chunk_row_store_mem_limit
 _ctx_memory_limit
 _data_storage_io_timeout
+_enable_adaptive_compaction
 _enable_block_file_punch_hole
 _enable_compaction_diagnose
 _enable_convert_real_to_decimal