jacktengg commented on code in PR #41602:
URL: https://github.com/apache/doris/pull/41602#discussion_r1794450578
##########
be/src/pipeline/exec/exchange_sink_operator.cpp:
##########
@@ -517,6 +539,11 @@ Status ExchangeSinkOperatorX::sink(RuntimeState* state,
vectorized::Block* block
RETURN_IF_ERROR(channel_add_rows_with_idx(
state, local_state.channels, local_state.channels.size(),
assignments, block, eos));
+ int64_t new_channel_mem_usage = 0;
+ for (const auto& channel : local_state.channels) {
+ new_channel_mem_usage += channel->mem_usage();
+ }
+ local_state.memory_used_counter()->update(new_channel_mem_usage -
old_channel_mem_usage);
Review Comment:
这里需要用`update`，不能直接`set`，因为`ExchangeSinkBuffer::add_block`里面会对counter进行`update`，这里如果直接set，counter的结果就不对了。
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