Vanco Buca created ARROW-2165:
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Summary: enhance AllocatorListener to listen for child allocator
addition and removal
Key: ARROW-2165
URL: https://issues.apache.org/jira/browse/ARROW-2165
Project: Apache Arrow
Issue Type: Improvement
Components: Java - Memory
Reporter: Vanco Buca
AllocatorListener allows a BaseAllocator to track when users allocate memory.
However, the structure of the users' allocators can't be tracked easily.
I suggest an enhancement to the AllocatorListener: onNewChild(BufferAllocator)
and onChildClosed(BufferAllocator)
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