zclllyybb commented on code in PR #19331:
URL: https://github.com/apache/doris/pull/19331#discussion_r1186643031


##########
be/src/vec/runtime/vdata_stream_recvr.cpp:
##########
@@ -161,9 +162,11 @@ void VDataStreamRecvr::SenderQueue::add_block(const 
PBlock& pblock, int be_numbe
     COUNTER_UPDATE(_recvr->_deserialize_row_batch_timer, deserialize_time);
     COUNTER_UPDATE(_recvr->_decompress_timer, block->get_decompress_time());
     COUNTER_UPDATE(_recvr->_decompress_bytes, block->get_decompressed_bytes());
-
-    _block_queue.emplace_back(std::move(block), block_byte_size);
-    _update_block_queue_empty();
+    {
+        std::lock_guard<std::mutex> l(_lock);
+        _block_queue.emplace_back(std::move(block), block_byte_size);
+        _update_block_queue_empty_in_lock();

Review Comment:
   that‘s right. will do.



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