diff --git a/deps/easy/src/io/easy_negotiation.c b/deps/easy/src/io/easy_negotiation.c
index 7a6c94e1e..793b1e728 100644
--- a/deps/easy/src/io/easy_negotiation.c
+++ b/deps/easy/src/io/easy_negotiation.c
@@ -52,9 +52,9 @@ static int easy_encode_uint64(char *buf, const uint64_t buf_len, int64_t *pos, u
     *(buf + (*pos)++) = (char)(((val) >> 40) & 0xff);
     *(buf + (*pos)++) = (char)(((val) >> 32) & 0xff);
     *(buf + (*pos)++) = (char)(((val) >> 24) & 0xff);
-    *(buf + (*pos)++) = (char)(((val) >> 16) & 0xff);
-    *(buf + (*pos)++) = (char)(((val) >> 8) & 0xff);
-    *(buf + (*pos)++) = (char)((val) & 0xff);
+    *(buf + (*pos)++) = (char)(((val) >> 16) & 0xff);
+    *(buf + (*pos)++) = (char)(((val) >> 8) & 0xff);
+    *(buf + (*pos)++) = (char)((val) & 0xff);
   }
 
   return ret;
@@ -176,9 +176,9 @@ static int easy_decode_negotiation_msg(easy_negotiation_msg_t *ne_msg, char *rec
 PACKET HEADER:
 +------------------------------------------------------------------------+
 |         negotiation packet header magic(8B)  | msg body len (2B)
-+------------------------------------------------------------------------+
-
-PACKET MSG BODY:
++------------------------------------------------------------------------+
+
+PACKET MSG BODY:
 +------------------------------------------------------------------------+
 |   io thread corresponding eio magic(8B) |  io thread index (1B)
 +------------------------------------------------------------------------+
@@ -264,9 +264,9 @@ void net_consume_negotiation_msg(int fd, uint64_t magic)
         if (ne_msg.msg_header.header_magic == EASY_NEGOTIATION_PACKET_HEADER_MAGIC &&
                 (ne_msg.msg_body.eio_magic == magic || easy_magic_in_support_list(ne_msg.msg_body.eio_magic))) {
             while ((rcv_bytes = recv(fd, (char *) recv_buf, decode_len, 0)) < 0 && errno == EINTR);
-            if (rcv_bytes <= 0) {
-                easy_error_log("consume negotiaion buffer failed! fd:%d, errno:%d", fd, errno);
-            } else {
+            if (rcv_bytes <= 0) {
+                easy_error_log("consume negotiaion buffer failed! fd:%d, errno:%d", fd, errno);
+            } else {
                 easy_info_log("consume negotiation buffer %d bytes!", rcv_bytes);
             }
         } else {
diff --git a/src/sql/engine/cmd/ob_load_data_direct_impl.cpp b/src/sql/engine/cmd/ob_load_data_direct_impl.cpp
index d7a819ca2..9d37fbae9 100644
--- a/src/sql/engine/cmd/ob_load_data_direct_impl.cpp
+++ b/src/sql/engine/cmd/ob_load_data_direct_impl.cpp
@@ -484,7 +484,7 @@ int ObLoadDataDirectImpl::DataDescIterator::get_next_data_desc(DataDesc &data_de
  */
 
 ObLoadDataDirectImpl::DataBuffer::DataBuffer()
-  : allocator_("MTL_DataBuffer"), file_buffer_(nullptr), pos_(0), is_end_file_(false)
+  : file_buffer_(nullptr), pos_(0), is_end_file_(false)
 {
 }
 
@@ -506,10 +506,10 @@ void ObLoadDataDirectImpl::DataBuffer::reset()
 {
   if (nullptr != file_buffer_) {
     file_buffer_->~ObLoadFileBuffer();
+    ob_free(file_buffer_);
     file_buffer_ = nullptr;
   }
   pos_ = 0;
-  allocator_.reset();
 }
 
 int ObLoadDataDirectImpl::DataBuffer::init(int64_t capacity)
@@ -524,9 +524,9 @@ int ObLoadDataDirectImpl::DataBuffer::init(int64_t capacity)
   } else {
     const int64_t alloc_size =
       MIN(capacity + sizeof(ObLoadFileBuffer), ObLoadFileBuffer::MAX_BUFFER_SIZE);
-    allocator_.set_tenant_id(MTL_ID());
+    ObMemAttr attr(MTL_ID(), "MTL_DataBuffer");
     void *buf = nullptr;
-    if (OB_ISNULL(buf = allocator_.alloc(alloc_size))) {
+    if (OB_ISNULL(buf = ob_malloc(alloc_size, attr))) {
       ret = OB_ALLOCATE_MEMORY_FAILED;
       LOG_WARN("fail to allocate memory", KR(ret), K(alloc_size));
     } else {
diff --git a/src/sql/engine/cmd/ob_load_data_direct_impl.h b/src/sql/engine/cmd/ob_load_data_direct_impl.h
index b3f1dee6e..7bda8d974 100644
--- a/src/sql/engine/cmd/ob_load_data_direct_impl.h
+++ b/src/sql/engine/cmd/ob_load_data_direct_impl.h
@@ -229,8 +229,6 @@ private:
     int squash();
     void swap(DataBuffer &other);
     TO_STRING_KV(KPC_(file_buffer), K_(pos));
-  private:
-    common::ObArenaAllocator allocator_;
   public:
     ObLoadFileBuffer *file_buffer_;
     int64_t pos_; // left pos