diff --git a/src/storage/blocksstable/index_block/ob_index_block_row_struct.cpp b/src/storage/blocksstable/index_block/ob_index_block_row_struct.cpp
index 54b4e023de..a074687a4b 100644
--- a/src/storage/blocksstable/index_block/ob_index_block_row_struct.cpp
+++ b/src/storage/blocksstable/index_block/ob_index_block_row_struct.cpp
@@ -135,7 +135,7 @@ int ObIndexBlockRowBuilder::init(ObIAllocator &allocator,
     data_desc_ = &data_desc;
     rowkey_column_count_ = index_desc.get_rowkey_column_count();
     is_inited_ = true;
-    STORAGE_LOG(INFO, "success to init ObIndexBlockRowBuilder", K(rowkey_column_count_), K(data_desc), K(index_desc));
+    STORAGE_LOG(TRACE, "success to init ObIndexBlockRowBuilder", K(rowkey_column_count_), K(data_desc), K(index_desc));
   }
   return ret;
 }
diff --git a/src/storage/column_store/ob_column_oriented_sstable.cpp b/src/storage/column_store/ob_column_oriented_sstable.cpp
index 380894b5af..6e4f15ce64 100644
--- a/src/storage/column_store/ob_column_oriented_sstable.cpp
+++ b/src/storage/column_store/ob_column_oriented_sstable.cpp
@@ -366,8 +366,9 @@ int ObCOSSTableV2::serialize(char *buf, const int64_t buf_len, int64_t &pos) con
     LOG_WARN("failed to serialize is empty co", K(ret), KP(buf), K(buf_len), K(pos));
   } else if (OB_FAIL(cs_meta_.serialize(buf, buf_len, pos))) {
     LOG_WARN("failed to serialize cs meta", K(ret), KP(buf), K(buf_len), K(pos));
+  } else {
+    LOG_INFO("succeed to serialize co sstable", K(ret), KPC(this), K(buf_len), K(old_pos), K(pos));
   }
-  FLOG_INFO("chaser debug serialize co sstable", K(ret), KPC(this), K(buf_len), K(old_pos), K(pos)); // tmp debug code
   return ret;
 }
 
@@ -396,7 +397,7 @@ int ObCOSSTableV2::deserialize(
     LOG_WARN("failed to deserialize cs meta", K(ret), KP(buf), K(data_len), K(pos));
   } else {
     valid_for_cs_reading_ = true;
-    FLOG_INFO("success to deserialize co sstable", K(ret), KPC(this), K(data_len), K(pos), K(old_pos)); // tmp debug code
+    LOG_DEBUG("success to deserialize co sstable", K(ret), KPC(this), K(data_len), K(pos), K(old_pos));
   }
   return ret;
 }
@@ -420,8 +421,9 @@ int ObCOSSTableV2::serialize_full_table(char *buf, const int64_t buf_len, int64_
     LOG_WARN("failed to serialize is empty co", K(ret), KP(buf), K(buf_len), K(pos));
   } else if (OB_FAIL(cs_meta_.serialize(buf, buf_len, pos))) {
     LOG_WARN("failed to deserialize cs meta", K(ret), KP(buf), K(buf_len), K(pos));
+  } else {
+    LOG_INFO("succeed to serialize co sstable", K(ret), KPC(this), K(buf_len), K(old_pos), K(pos));
   }
-  FLOG_INFO("chaser debug serialize co sstable", K(ret), KPC(this), K(buf_len), K(old_pos), K(pos)); // tmp debug code
   return ret;
 }
 
diff --git a/src/storage/compaction/ob_compaction_memory_pool.cpp b/src/storage/compaction/ob_compaction_memory_pool.cpp
index 956f5e7cfc..74828a0ab1 100644
--- a/src/storage/compaction/ob_compaction_memory_pool.cpp
+++ b/src/storage/compaction/ob_compaction_memory_pool.cpp
@@ -628,7 +628,7 @@ int ObCompactionBufferWriter::ensure_space(int64_t size)
     if (NULL != ref_mem_ctx_) {
       ref_mem_ctx_->inc_buffer_hold_mem(capacity_ - old_capacity);
     } else {
-      LOG_INFO("no mem ctx has setted to thread", K(ret), K(label_), K(size), K(capacity_), K(old_capacity));
+      LOG_TRACE("no mem ctx has setted to thread", K(ret), K(label_), K(size), K(capacity_), K(old_capacity));
     }
   }
   return ret;