[GitHub] [spark] linzebing commented on pull request #34864: [SHUFFLE] [WIP] Prototype: store shuffle file on external storage like S3

[GitBox <gi...@apache.org>]

linzebing commented on pull request #34864:
URL: https://github.com/apache/spark/pull/34864#issuecomment-991397006


   Quickly glanced through the code, seems for writing shuffle data we are writing locally first and then upload to S3, similarly for reading shuffle data we are downloading data to a local temp file first and then read.
   
   We should be able to write/read direct to/from S3, right?


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