Hi all,

We're using arrow IPC format for data transfer in our project. We have done 
some performance optimization by using a custom compression method to get 
better compression ratio and throughput. I've raised 
PR<https://github.com/apache/arrow/pull/33690> to add a pluggable custom codec, 
but it was rejected probably because it only made changes to the C++ module.
Arrow IPC has very limited support for compression types, therefore it's 
impossible to apply our optimizations without the patch. Is there any good way 
to add a custom compression type in the IPC module?

Thanks,
Rong

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