xinyiZzz commented on a change in pull request #8322:
URL: https://github.com/apache/incubator-doris/pull/8322#discussion_r820210300
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File path: be/src/exec/hash_table.cpp
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@@ -244,7 +244,7 @@ void HashTable::grow_node_array() {
_alloc_list.push_back(_current_nodes);
_end_list.push_back(_current_nodes + alloc_size);
- _mem_tracker->Consume(alloc_size);
+ _mem_tracker->consume(alloc_size);
Review comment:
> There are too many places call memory tracker and we may lost to add
mem_tracker.consume in some node or thread. If we are following clickhouse's
method, I think it do not need to call memory tracker everywhere and call mem
tracker.consume so many times.
>
> We could attach the running thread to a conext, the context maybe a query
context or a compaction context or olap scanner. And rewrite the new and delete
method to update the memory tracker automatically.
You are right, I have already implemented it like this. In #7198 mentioned
above,
you can see the original design document last year:
https://shimo.im/docs/DT6JXDRkdTvdyV3G
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