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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/05/20 16:40:25 UTC

[GitHub] [arrow-rs] tustvold commented on issue #1711: Concatenate parquet files without deserializing?

tustvold commented on issue #1711:
URL: https://github.com/apache/arrow-rs/issues/1711#issuecomment-1133108762

   This sounds like a good idea to me, and could possibly feed into some sort of story for parallel writing :+1: 
   
   It is probably worth highlighting though that whilst merging parquet files without rewriting the row groups will theoretically reduce the IO required to fetch them from object storage, along with any catalog overheads, it likely won't help with the CPU-bound portion of actually decoding the bytes, nor with compression.


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