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Posted to github@arrow.apache.org by "mzabaluev (via GitHub)" <gi...@apache.org> on 2026/04/08 08:12:34 UTC

Re: [I] Async avro reader optimization [arrow-rs]

mzabaluev commented on issue #9668:
URL: https://github.com/apache/arrow-rs/issues/9668#issuecomment-4204778127

   > Note we have also been trying to separate the IO from the decoding in Parquet -- see https://docs.rs/parquet/58.0.0/parquet/arrow/push_decoder/struct.ParquetPushDecoder.html
   > 
   > Perhaps we could move Avro to that model too rather than implementing the async stuff first
   
   There is already a push decoder implementation shared by the sync and async reader implementations. The differences and duplication mainly arise from the I/O model: for the sync reader it's stictly sequential, while the async reader is designed around ranged GET requests provided by `object_store`, with an abstraction to also support generic `AsyncRead + AsyncSeek`.


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