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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/01/10 10:22:54 UTC

[GitHub] [arrow] mqy edited a comment on pull request #9137: ARROW-8676: [Rust] IPC RecordBatch body compression

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


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