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Amir GonnenGitHub
3bb988e14fc
Amir Gonnen authored and GitHub committed 5a28e180f0a
GH-43130: [C++][ArrowFlight] Crash due to UCS thread mode (#43120)

When mode is `UCS_THREAD_MODE_SERIALIZED`, UCX crash due to mpool corruption.    
This happens when buffer is deallocated on a different thread. In such case two threads access UCX memory pool simultaneously.

See discussion on UCX forum: https://github.com/openucx/ucx/discussions/9987
* GitHub Issue: #43130

Authored-by: Amir Gonnen <amirgonnen@gmail.com>
Signed-off-by: David Li <li.davidm96@gmail.com>