yiguolei commented on code in PR #17820:
URL: https://github.com/apache/doris/pull/17820#discussion_r1138372090
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be/src/olap/memtable.h:
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@@ -48,7 +49,8 @@ class MemTable {
int64_t tablet_id() const { return _tablet->tablet_id(); }
size_t memory_usage() const {
- return _insert_mem_tracker->consumption() +
_flush_mem_tracker->consumption();
+ return _insert_mem_tracker->consumption() + _arena->size() +
Review Comment:
If arena allocated some unused memory, then the memory usage maybe larger
than actual usage. It will flush out many small segments.
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