xinyiZzz opened a new pull request, #34002:
URL: https://github.com/apache/doris/pull/34002

   ## Proposed changes
   
   fix:
   ```
   terminate called after throwing an instance of 'doris::Exception'
   05:02:23     what():  [E11] Allocator sys memory check failed: Cannot 
alloc:4096, consuming tracker:<SubcolumnsTree>, peak used 52011008, current 
used 3768320, exec node:<>, process memory used 48.90 GB exceed limit 48.85 GB 
or sys available memory 7.47 GB less than low water mark 1.60 GB.
   05:02:23   
   05:02:23     0#  doris::Exception::Exception(int, 
std::basic_string_view<char, std::char_traits<char> > const&) at 
/var/local/ldb_toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/unique_ptr.h:173
   05:02:23     1#  Allocator<false, false, false>::sys_memory_check(unsigned 
long) const at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/vec/common/allocator.cpp:121
   05:02:23     2#  Allocator<false, false, false>::alloc_impl(unsigned long, 
unsigned long) at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/vec/common/allocator.cpp:167
   05:02:23     3#  
doris::vectorized::SubcolumnsTree<doris::vectorized::ColumnObject::Subcolumn>::SubcolumnsTree()
 at 
/var/local/ldb_toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:0
   05:02:23     4#  doris::vectorized::ColumnObject::clear() at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/vec/columns/column_object.cpp:0
   05:02:23     5#  doris::vectorized::ColumnNullable::clear() at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/vec/columns/column_nullable.h:317
   05:02:23     6#  doris::vectorized::Block::clear_column_data(int) at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/vec/core/block.cpp:704
   05:02:23     7#  
doris::segment_v2::SegmentIterator::_init_current_block(doris::vectorized::Block*,
 
std::vector<COW<doris::vectorized::IColumn>::mutable_ptr<doris::vectorized::IColumn>,
 
std::allocator<COW<doris::vectorized::IColumn>::mutable_ptr<doris::vectorized::IColumn>
 > >&) at 
/var/local/ldb_toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:1291
   05:02:23     8#  
doris::segment_v2::SegmentIterator::_next_batch_internal(doris::vectorized::Block*)
 at /home/zcp/repo_center/doris_branch-2.1/doris/be/src/common/status.h:449
   05:02:23     9#  
doris::segment_v2::SegmentIterator::next_batch(doris::vectorized::Block*) at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/common/status.h:449
   05:02:23     10# 
doris::BetaRowsetReader::next_block(doris::vectorized::Block*) at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/common/status.h:449
   05:02:23     11# 
doris::vectorized::VCollectIterator::Level0Iterator::refresh_current_row() at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/common/status.h:449
   05:02:23     12# 
doris::vectorized::VCollectIterator::Level0Iterator::init(bool) at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/vec/olap/vcollect_iterator.cpp:473
   05:02:23     13# 
doris::vectorized::VCollectIterator::build_heap(std::vector<std::shared_ptr<doris::RowsetReader>,
 std::allocator<std::shared_ptr<doris::RowsetReader> > >&) at 
/home/zcp/repo_center/doris_branch-2.1/doris/be/src/common/status.h:449
   05:02:23     14# 
doris::vectorized::BlockReader::_init_collect_iter(doris::TabletReader::ReaderParams
 const&) at /home/zcp/repo_center/doris_branch-2.1/d
   ```
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at 
[[email protected]](mailto:[email protected]) by explaining why you 
chose the solution you did and what alternatives you considered, etc...
   
   


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