David Li created ARROW-15374:
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Summary: [C++][FlightRPC] Add support for alternative
MemoryManagers
Key: ARROW-15374
URL: https://issues.apache.org/jira/browse/ARROW-15374
Project: Apache Arrow
Issue Type: Improvement
Components: C++, FlightRPC
Reporter: David Li
Assignee: David Li
We should add support for sending/receiving data using a non-standard
allocator, given that:
* the plan is to support UCX as a backend to Flight,
* UCX can manage non-CPU memory,
* the existing Device/MemoryManager API handles this case,
We should find some way to ensure we fully reflect UCX's capabilities to Flight
users. Furthermore, we should integrate the MemoryManager and Flight APIs so
that Flight user code should not _have_ to worry about whether their backend
supports this or not. (That means that for gRPC, we should do the copy for the
user.)
As part of this, we should extend the Flight benchmark to test this case so we
also have a baseline.
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