mqy edited a comment on pull request #9137:
URL: https://github.com/apache/arrow/pull/9137#issuecomment-757449958
@nevi-me no luck to install pyarrow 2.0.0 due to various dependency errors,
but found something:
`Message.rs` requires `LZ4 frame format`, not the block format.
```
// LZ4 frame format, for portability, as provided by lz4frame.h or wrappers
// thereof. Not to be confused with "raw" (also called "block") format
// provided by lz4.h
```
Just let you know this because I'm not able to explore this in a short
period of time.
FYI:
- [lz4frame.h] mentioned in `Message.rs`:
https://github.com/lz4/lz4/blob/fdf2ef5809ca875c454510610764d9125ef2ebbd/lib/lz4frame.h
- [lz4-rs lz4-sys APIs]
https://github.com/10XGenomics/lz4-rs/blob/master/lz4-sys/src/lib.rs
- [c++ uses LZ4F_xxx APIs]
https://github.com/apache/arrow/blob/3694794bdfd0677b95b8c95681e392512f1c9237/cpp/src/arrow/util/compression_lz4.cc
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