HappenLee commented on a change in pull request #5516:
URL: https://github.com/apache/incubator-doris/pull/5516#discussion_r594021297
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File path: be/src/olap/rowset/segment_v2/segment_iterator.cpp
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@@ -194,6 +198,7 @@ Status SegmentIterator::_prepare_seek(const
StorageReadOptions::KeyRange& key_ra
ColumnIteratorOptions iter_opts;
iter_opts.stats = _opts.stats;
iter_opts.rblock = _rblock.get();
+ iter_opts.mem_tracker = MemTracker::CreateTracker(-1,
"ColumnIterator", _mem_tracker, false);
Review comment:
Yes, each Column manage mem of itselfs.
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