HappenLee commented on code in PR #19331:
URL: https://github.com/apache/doris/pull/19331#discussion_r1186659288
##########
be/src/vec/runtime/vdata_stream_recvr.cpp:
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@@ -83,19 +82,20 @@ Status
VDataStreamRecvr::SenderQueue::_inner_get_batch(Block* block, bool* eos)
return Status::Cancelled("Cancelled");
}
- if (_block_queue.empty()) {
+ std::unique_lock<std::mutex> l(_lock);
Review Comment:
should not only add a mutex here. please review the whloe logic to find
problem
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